《纳米研究》2022年第2期目录

Original 编辑部 NanoResearch

Flagship Review

Hollow structures as drug carriers: Recognition, response, and release

Decai Zhao^1,2, Nailiang Yang^1,2,^*, Lekai Xu^1,3, Jiang Du³, Yang Yang^4,^*, and Dan Wang^1,2,^*

¹ Institute of Process Engineering, Chinese Academy of Sciences, China

² University of Chinese Academy of Sciences, China

³Zhengzhou University, China

⁴Tongji University, China

Hollow structures have demonstrated a great potential in drug delivery owing to their privileged structure. This review concluded the three processes of drug delivery system, namely recognition, response, and release, determined by the driving force and the molecular interaction.

739–757

Flagship Article

Fully rubbery synaptic transistors made out of all-organic materials for elastic neurological electronic skin

Hyunseok Shim¹, Seonmin Jang¹, Jae Gyu Jang², Zhoulyu Rao¹, Jong-In Hong², Kyoseung Sim³, and Cunjiang Yu^1,^*

¹ University of Houston, USA

² Seoul National University, Republic of Korea

³ Ulsan National Institute of Science and Technology (UNIST), Republic of Korea

An elastic neurological electronic skin implemented from a fully rubbery, all-organic synaptic transistor is demonstrated. The synaptic transistor is made out of all-organic stretchable electronic materials.

758–764

Review Articles

The “gene” of reversible phase transformation of phase change materials: Octahedral motif

Zhitang Song^1,2,^*, Ruobing Wang^1,2, Yuan Xue^1,2, and Sannian Song^1,2

¹ Shanghai Institute of Micro-System and Information Technology, Chinese Academy of Sciences, China

² University of Chinese Academy of Sciences, China

The octahedral structure motifs (octahedrons) are considered as the“gene” of phase change materials. Phase change random access memory (PCRAM) based on a homogeneous phase change materialIn-GST alloy constructed by three matched octahedrons exhibits superior all-round performances, high thermal stability, fast speed, low power consumption, and high endurance.

765–772

FluidFM for single-cell biophysics

Mi Li^1,2,3,^*, Lianqing Liu^2,3, and Tomaso Zambelli¹

¹ ETH Zürich, Switzerland

² Shenyang Institute of Automation, Chinese Academy of Sciences, China

³ Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, China

Applications of fluidic force microscopy (FluidFM) in single-cell biophysics (single-cell manipulations, single-cell force spectroscopy, and single-cell electrophysiology) are summarized. Challenges and perspectives for future progressions are provided.

773–786

Electrospinning nanofibers to 1D, 2D, and 3D scaffolds and their biomedical applications

Huiling Zhong^1,2, Jun Huang², Jun Wu^1,2,^*, and Jianhang Du^1,2,^*

¹ The Eighth Affiliated Hospital of Sun Yat-sen University, China

² Sun Yat-sen University, China

Owing to the adjustable fiber configuration, electrospun nanofibers can be constructed into two-dimensional (2D) and three-dimensional (3D) structures and used to mimic the extracellular matrix and some human tissue structures. Different structures have different applications. For example, 2D membranes are mostly used as drug delivery and wound dressing, while 3D scaffolds can be designed to intravascular stent, tissue scaffold, etc.

787–804

Recent developments of infrared photodetectors with low-dimensional inorganic nanostructures

Xin Hu^*, Jianghong Wu, Mingzhou Wu, and Junqing Hu^*

Shenzhen Technology University, China

This article reviews the state-of-the-art research of low-dimensional inorganic nanostructures and their application for infrared photodetection. Thanks to nano-structuring, a narrow bandgap, hybrid systems, surface-plasmon resonance, and doping, many common semiconductors have the potential to be used for infrared detection.

805–817

Recent progress and prospect of carbon-free single-site catalysts for the hydrogen and oxygen evolution reactions

Jingqi Guan^*, Xue Bai, and Tianmi Tang

Jilin University, China

In this review, we focus on discussing feasible design strategies, identification of isolated metal sites, and the constitutive relationships between structure, composition, and catalytic performance of carbon-free single-site catalysts for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER).

818–837

Research Articles

Aluminum nanocrystals evolving from cluster to metallic state: Size tunability and spectral evidence

Hao Wu¹, Xiaoyu Cheng^1,2,^*, Hongguang Dong¹, Songjun Xie², and Sailing He^1,2,^*

¹ Zhejiang University, China

² Ningbo Research Institute, China

Size tunable synthesis of aluminum nanocrystals indicates cluster-metallic evolution in ultraviolet.

838–844

Exo/endogenous factors co-activatable nanodevice for spatiotem-porally controlled miRNA imaging and guided tumor ablation

Zhenqiang Wang, Tao Ding, Liucan Wang, Shuai Wang, Meizhen Zhou, Jixi Zhang^*, and Kaiyong Cai

Chongqing University, China

A co-activatable “dual-key-one-lock” nanodevice is designed by integrating a thermo-activatable DNA hybridization probe and a porous nanotransducer, enabling precisely switchable theranostic operations under the co-activation of exo/endogenous stimulations (near-infrared (NIR) light and microRNA (miRNA)). Spatiotemporal miRNA visualization and tumor thermoablation properties could be activated remotely by a programmable short-(3 min) and long-duration (10 min) NIR irradiation administered sequentially.

845–857

Solution-processed top-contact electrodes strategy for organic crystalline field-effect transistor arrays

Xi Zhang^1,2, Xiaotong Zhao¹, Limei Rao¹, Jing Zhang¹, Mingchao Xiao¹, Danlei Zhu¹, Chunlei Li¹, Xiaosong Shi¹, Jie Liu¹, Jie Liu^1,^*, and Lang Jiang^1,^*

¹ Institute of Chemistry, Chinese Academy of Sciences, China

² University of the Chinese Academy of Sciences, China

A solution process is developed to prepare electrode arrays of organic field-effect transistors on top of two-dimensional (2D) organic crystalline thin films, which could avoid damages from traditional vacuum deposition and maintain comparable performance with devices based on transferred electrodes. Also, a printing method is introduced to construct electrodes on monolayer crystalline films.

858–863

Air-stable n-type transistors based on assembled aligned carbon nanotube arrays and their application in complementary metal-oxide-semiconductor electronics

Zhen Li¹, Katherine R. Jinkins², Dingzhou Cui¹, Mingrui Chen¹, Zhiyuan Zhao¹, Michael S. Arnold², and Chongwu Zhou^1,^*

¹ University of Southern California, USA

² University of Wisconsin-Madison, USA

In this study, we combined the use of Ti contacts and atomic layer deposition (ALD) passivation to obtain air-stable n-type behavior carbon nanotube (CNT) field effect transistors (FETs) with high on-state current density ~ 130 μA/μm, while maintaining large on/off ratio of > 10⁶. A complementary metal-oxide-semiconductor (CMOS) inverter is also demonstrated using the as-made p-type and n-type behavior CNT FETs.

864–871

Multi-scale regulation in S, N co-incorporated carbon encapsulated Fe-doped Co₉S₈ achieving efficient water oxidation with low overpotential

Wenbin Wang, Yang Yang, Yang Zhao, Shuzhe Wang, Xiaomeng Ai, Jiakun Fang, and Youwen Liu^*

Huazhong University of Science and Technology, China

The use of dense Fe-doped Co₉S₈ nanoparticles encapsulated by S, N co-incorporated graphitic carbon layer to form the connected nanosheets as a model catalyst realizes the synergistic optimization of mass transport, structure stability, and intrinsic activities. Encouragingly, the connected nanosheets exhibited an ultralow overpotential of 273 mV at 10 mA·cm^–2 and small Tafel slope of 55.8 mV·dec^–1.

872–880

Sulfur-vacancy-tunable interlayer magnetic coupling in centimeter-scale MoS₂ bilayer

Hengli Duan, Guinan Li, Hao Tan, Chao Wang^*, Qian Li, Chuanchuan Liu, Yuewei Yin, Xiaoguang Li, Zeming Qi^*, and Wensheng Yan^*

University of Science and Technology of China, China

Sulfur vacancy (V_S) could change the interlayer electronic coupling, which transforms the interlayer exchange interaction from antiferromagnetism (AFM) to ferromagnetism (FM) between the partial Co atoms in upper and lower layers. This is mainly because the hybridization of Co 3d band and V_S-induced impurity band alters the forms of interlayer orbital hybridizations.

881–888

Electron scattering by Friedel oscillations in carbon nanotubes

Takumi Inaba¹, Takahiro Morimoto^1,^*, Satoshi Yamazaki², and Toshiya Okazaki¹

¹ National Institute of Advanced Industrial Science and Technology, Japan

² Research Association of High-Throughput Design and Development for Advanced Functional Materials, Japan

Electron scattering by Friedel oscillation in graphene derivatives is discussed. Universal features for resistivity–temperature plots of carbon nanotube (CNT) networks are introduced.

889–897

Tunable order in colloids of hard magnetic hexaferrite nanoplatelets

Artem A. Eliseev^1,^*, Lev A. Trusov^1,2, Evgeny O. Anokhin¹, Andrei P. Chumakov³, Vladimir V. Korolev¹, Anastasia E. Sleptsova¹, Peter Boesecke³, Victoria I. Pryakhina⁴, Vladimir Ya. Shur⁴, Pavel E. Kazin¹, and Andrei A. Eliseev¹

¹ Moscow State University, Russia

² MSU-BIT University, China

³ European Synchrotron Radiation Facility, France

⁴ Ural Federal University, Russia

Structural ordering in concentrated hexaferrite based ferrofluid is investigated by microscopy and small-angle X-ray scattering. It is shown that macroscopically homogeneous liquid consists of dynamic thread-like aggregates. Interparticle distance in those threads can be controlled by macroscopic factors like electrolyte concentration (from Stern layer thickness to tens of nanometers) and alternating magnetic field (up to 6% of initial value).

898–906

Endogenous Fe²⁺-activated ROS nanoamplifier for esterase-responsive and photoacoustic imaging-monitored therapeutic improvement

Sijin Xiang, Zhongxiong Fan, Zichen Ye, Tianbao Zhu, Dao Shi, Shefang Ye, Zhenqing Hou^*, and Xiaolan Chen^*

Xiamen University, China

Artesunate-loaded Pd@Pt (PPA) nanoamplifier augments dual ROS signals in response to tumor microenvironment (TME), and is employed for photoacoustic imaging-monitored chemodynamic therapeutic improvement.

907–918

Towards intrinsically pure graphene grown on copper

Xiaozhi Xu^1,^*, Ruixi Qiao², Zhihua Liang¹, Zhihong Zhang², Ran Wang¹, Fankai Zeng¹, Guoliang Cui¹, Xiaowen Zhang¹, Dingxin Zou³, Yi Guo², Can Liu², Ying Fu⁴, Xu Zhou¹, Muhong Wu², Zhujun Wang⁵, Yue Zhao³, Enke Wang¹, Zhilie Tang¹, Dapeng Yu³, and Kaihui Liu^2,^*

¹ South China Normal University, China

² Peking University, China

³ Southern University of Science and Technology, China

⁴ Institute of Physics, Chinese Academy of Sciences, China

⁵ ShanghaiTech University, China

The point defects were optically visualized by a mild-oxidation-assisted method and further reduced by etching-regrowth process to an ultralow level.

919–924

Flexible quasi-solid-state sodium-ion full battery with ultralong cycle life, high energy density and high-rate capability

Chen-De Zhao, Jin-Zhi Guo, Zhen-Yi Gu, Xiao-Tong Wang, Xin-Xin Zhao, Wen-Hao Li, Hai-Yue Yu, and Xing-Long Wu^*

Northeast Normal University, China

Flexible quasi-solid-state sodium-ion full battery with ultralong cycle life, high energy density, high-rate capability, and remarkable flexibility are fabricated by utilizing carbon cloth as anode and cathode substrate and combining with the gel-polymer electrolyte. Electrochemical performance, mechanical flexibility, damaged safety, and practicability of batteries are also evaluated in flexible pouch cells.

925–932

Suitable lithium polysulfides diffusion and adsorption on CNTs@TiO₂-bronze nanosheets surface for high-performance lithium-sulfur batteries

Mengmeng Zhen¹, Keliang Jiang², Sheng-Qi Guo¹, Boxiong Shen^1,^*, and Huiling Liu^2,^*

¹ Hebei University of Technology, China

² Tianjin University of Technology, China

The CNTs@TiO₂-B as separator modifications of lithium-sulfur batteries (LSBs) possess small lithium polysulfides (LiPSs) diffusion barrier and high adsorption energy for LiPSs.

933–941

Ethanol-derived white emissive carbon dots: The formation process investigation and multi-color/white LEDs preparation

Boyang Wang¹, Haoqiang Song¹, Zhiyong Tang^1,2, Bai Yang³, and Siyu Lu^1,^*

¹ Zhengzhou University, China

² National Center for Nanoscience and Technology, China

³ Jilin University, China

The white-emitting carbon dots (CDs) were prepared by carbonizing ethanol, the blue, cyan, and yellow emitting CDs were obtained by column chromatography and the cross-linking carbonization process in their formation was explored. Finally, these four CDs were successfully prepared into multi-color/white light-emitting diodes (LEDs)

942–949

NiCo₂S₄ microspheres grown on N, S co-doped reduced graphene oxide as an efficient bifunctional electrocatalyst for overall water splitting in alkaline and neutral pH

Haoquan Li¹, Long Chen^1,2,^*, Pengfei Jin¹, Yafei Li¹, Jianxiang Pang¹, Juan Hou¹, Shanglong Peng^2,^*, Gang Wang¹, and Yulin Shi^1,^*

¹ Shihezi University, China

² Lanzhou University, China

The NiCo₂S₄ (NCS) microspheres composed of one-dimentional (1D) nanorods disperse on the surface of N, S co-doped reduced graphene oxides (NS-rGOs), which are prepared by the one-pot hydrothermal method. NCS/NS-rGO has excellent overall water splitting performance in alkaline and neutral pH conditions with low loading mass of 0.1 mg/cm².

950–958

Atomically dispersed N-coordinated Fe-Fe dual-sites with enhanced enzyme-like activities

Lei Jiao¹, Wei Ye², Yikun Kang³, Yu Zhang¹, Weiqing Xu¹, Yu Wu¹, Wenling Gu¹, Weiyu Song^3,^*, Yujie Xiong^4,^*, and Chengzhou Zhu^1,^*

¹ Central China Normal University, China

² Hangzhou Normal University, China

³ China University of Petroleum, China

⁴ University of Science and Technology of China, China

Atomically dispersed N-coordinated Fe-Fe dimers with a peroxo-like O₂ adsorption configuration are similar to the heme-copper hetero-binuclear active center of natural cytochrome c oxidase, which could accelerate the O–O cleavage and thus achieve the enhanced enzyme-like activities.

959–964

A multi-step induced strategy to fabricate core–shell Pt–Ni alloy as ymmetric electrocatalysts for overall water splitting

Wenjuan Xu¹, Jinfa Chang², Yinggang Cheng¹, Hongqi Liu¹, Jifan Li¹, Yongjian Ai³, Zenan Hu¹, Xinyue Zhang¹, Yiming Wang¹, Qionglin Liang³, Yang Yang^2,^*, and Hongbin Sun^1,^*

¹ Northeastern University, China

² University of Central Florida, China

³ Tsinghua University, China

PtNi nanoalloy loaded on graphene oxide (GO) was converted to a core–shell catalyst Pt_x@Ni_y–rGO for overall water splitting. During the growth of the catalyst, the in situ oxygen of GO induced the surface segregation of Ni in the PtNi octahedron to form the core– shell structure of Pt_x@Ni_y, then the surface-enriched Ni induced the graphitization of rGO. This multi-step induction process ensures the excellent performance of the electrocatalyst.

965–971

Ambient ammonia production via electrocatalytic nitrite reduction catalyzed by a CoP nanoarray

Guilai Wen¹, Jie Liang², Qian Liu³, Tingshuai Li², Xuguang An³, Fang Zhang⁴, Abdulmohsen Ali Alshehri⁵, Khalid Ahmed Alzahrani⁵, Yonglan Luo^1,^*, Qingquan Kong^3,^*, and Xuping Sun^2,^*

¹ China West Normal University, China

² University of Electronic Science and Technology of China, China

³ Chengdu University, China

⁴ National Engineering Research Center for Nanotechnology, China

⁵ King Abdulaziz University, Saudi Arabia

As a three-dimensional (3D) electrocatalyst for nitrite (NO₂^–) reduction reaction (NO₂^–RR), CoP nanoarray on Ti mesh is capable of affording a large NH₃ yield of 2,260.7 ± 51.5 μg·h^–1·cm^–2 and a high Faradaic efficiency of 90% ± 2.3% at –0.2 V vs. a reversible hydrogen electrode at ambient condition.

972–977

Flexoelectricity enhanced water splitting and hydrogen evolution reaction on grain boundaries of monolayer transition metal dichalcogenides

Mingjie Pu, Dong Wang, Zhuhua Zhang, Yufeng Guo^*, and Wanlin Guo^*

Nanjing University of Aeronautics and Astronautics, China

The chemical activities of monolayer transition metal dichalcogenides (TMDs) for water splitting and hydrogen evolution are modified and promoted on their grain boundaries (GBs) when in-plane tensile loadings are applied, as the flexoelectric effect induced by nonuniform deformation and strain gradient significantly enhances the charge polarizations of the atoms at the GB sites.

978–984

Unique hollow heterostructured CdS/Cd_0.5Zn_0.5S-Mo_1–_xW_xS₂: Highly-improved visible-light-driven H₂ generation via synergy of Cd_0.5Zn_0.5S protective shell and defect-rich Mo_1–xW_xS₂ cocatalyst

Wenjing Wang¹, Hanchu Chen¹, Jiakun Wu¹, Hui Wang¹, Shaoxiang Li¹, Bo Wang², Yanyan Li¹, Haifeng Lin^1,3,^*, and Lei Wang^1,^*

¹ Qingdao University of Science and Technology, China

² Wuyi University, China

³ Jilin University, China

Unique hollow heterostructures CdS/Cd_0.5Zn_0.5S-Mo_1−xW_xS₂ consisting of Cd_0.5Zn_0.5S protective shell and defect-rich Mo_1−xW_xS₂ cocatalyst were first constructed for highly improved H₂ production from visible-light-driven water-splitting.

985–995

Surface disorder engineering in ZnCdS for cocatalyst free visible light driven hydrogen production

Enna Ha^1,^*, Shuhong Ruan¹, Danyang Li¹, Yuanmin Zhu², Yanping Chen¹, Jiangyuan Qiu¹, Zhaohui Chen¹, Tingting Xu¹, Jingyun Su¹, Luyang Wang^1,^*, and Junqing Hu^1,^*

¹ Shenzhen Technology University, China

² Southern University of Science and Technology, China

ZnCdS with S and Zn dual vacancies has been prepared by a simple room temperature Li-ethylenediamine (Li-EDA) treatment. In the absence of a cocatalyst, the as-obtained LT-14h photocatalyst achieves a superb H₂ evolution rate of 33.6 mmol·g⁻¹·h⁻¹.

996–1002

Nanomechanical sensor for rapid and ultrasensitive detection of tumor markers in serum using nanobody

Depeng Rao¹, Kainan Mei¹, Tianhao Yan¹, Yu Wang¹, Wenjie Wu¹, Ye Chen¹, Jianye Wang², Qingchuan Zhang^1,^*, and Shangquan Wu^1,^*

¹ University of Science and Technology of China, China

² First Affiliated Hospital of Anhui Medical University, China

A nanobody-based label-free, rapid, and low-cost nanomechanical sensor has been developed for ultrasensitive detection of tumor markers, which achieved a three orders of magnitude improvement in detection limit when compared with conventional antibody-coated microcantilevers.

1003–1012

Investigation of weak interlayer coupling in 2D layered GeS₂ from theory to experiment

Hui-Juan Yan^1,3, Zongbao Li^2,^*, Shun-Chang Liu^1,3, Xia Wang², Xing Zhang^1,3, Ding-Jiang Xue^1,3,^*, and Jin-Song Hu^1,3

¹ Institute of Chemistry, Chinese Academy of Sciences, China

² Tongren University, China

³ University of Chinese Academy of Sciences, China

The investigation from theory to experiment confirms the weak interlayer coupling in GeS₂, thereby leading to the striking layer-independent physical properties of GeS₂.

1013–1019

One-pot pyrolysis synthesis of highly active Ru/RuO_X nanoclusters for water splitting

Fengyuan Zhu¹, Jiangyan Xue¹, Lingjian Zeng¹, Jingrui Shang¹, Shuanglong Lu², Xueqin Cao¹, Brendan F. Abrahams³, Hongwei Gu^1,^*, and Jianping Lang^1,^*

¹ Soochow University, China

² Jiangnan University, China

³ University of Melbourne, Australia

In this work, one unique approach involving one-pot pyrolysis of a concentrated solution of substrates was employed to prepare Ru-based nanoclusters and RuO_X nanoclusters in a carbon matrix, respectively, both of which exhibited excellent electrocatalytic performance in overall water splitting.

1020–1026

Versatile sensing devices for self-driven designated therapy based on robust breathable composite films

Zhaofeng Ouyang¹, Songbo Cui², Houyong Yu^1,2,^*, Dewen Xu¹, Chuang Wang¹, Dongping Tang¹, and Kam Chiu Tam²

¹ Zhejiang Sci-Tech University, China

² University of Waterloo, Canada

The flexible and breathable composite films were assembled as a multifunctional sensor to actively monitor real-time signals such as temperature, moisture, pH, NH₃, and human movements even at sweat states. This device can act as a self-driven therapist to eliminate bacterial at wound sites by releasing Fe³⁺.

1027–1038

Enhancing electrocatalytic N₂-to-NH₃ fixation by suppressing hydrogen evolution with alkylthiols modified Fe₃P nanoarrays

Tong Xu^1,2, Jie Liang¹, Yuanyuan Wang³, Shaoxiong Li¹, Zhaobai Du¹, Tingshuai Li¹, Qian Liu⁴, Yonglan Luo⁴, Fang Zhang⁵, Xifeng Shi⁶, Bo Tang⁶, Qingquan Kong⁴, Abdullah M. Asiri⁷, Chun Yang^2,^*, Dongwei Ma^3,^*, and Xuping Sun^1,^*

¹University of Electronic Science and Technology of China, China

² Sichuan Normal University, China

³ Henan University, China

⁴ Chengdu University, China

⁵ National Engineering Research Center for Nanotechnology, China

⁶ Shandong Normal University, China

⁷ King Abdulaziz University, Saudi Arabia

A hydrophobic self-assembled monolayer of octadecanethiol greatly improves the electrolytic N₂ reduction activity of Fe₃P nanoarrays supported on carbon paper. In 0.1 M Na₂SO₄, the C18@Fe₃P/CP achieves a NH₃ yield of 1.80 × 10^–10 mol·s^–1·cm^–2 with a Faradaic efficiency of 11.22%, much superior to its Fe₃P/CP counterpart (2.16 × 10⁻¹¹ mol·s^–1·cm^–2, 0.9 %) counterpart.

1039–1046

A new strategy to achieve enhanced upconverted circularly polarized luminescence in chiral perovskite nanocrystals

Xue Jin², Minghao Zhou^1,2, Jianlei Han², Bin Li¹, Tianyong Zhang¹, Shuang Jiang^1,^*, and Pengfei Duan^2,3,^*

¹ Tianjin University, China

² National Center for Nanoscience and Technology (NCNST), China

³ University of Chinese Academy of Sciences, China

The first example of chiral upconversion nanoparticle: By loading upconversion nanoparticle into chiral perovskite nanocrystal (UCNP@PKNC), prompt circularly polarized luminescence, upconverted circularly polarized luminescence, and energy transfer enhanced circularly polarized luminescence were successfully realized.

1047–1053

High-throughput screening of carbon-supported single metal atom catalysts for oxygen reduction reaction

Yiran Wang¹, Riming Hu¹, Yongcheng Li², Fuhe Wang³, Jiaxiang Shang^1,^*, and Jianglan Shui^1,^*

¹ Beihang University, China

² Qinghai University, China

³ Capital Normal University, China

This work builds a full perspective of the potential for carbon-supported single atom catalysts for oxygen reduction reaction (ORR).

1054–1060

Ru(bpy)₃²⁺-sensitized {001} facets LiCoO₂ nanosheets catalyzed CO₂ reduction reaction with 100% carbonaceous products

Shuaiyu Jiang¹, Junxian Liu¹, Kun Zhao^1,^*, Dandan Cui², Porun Liu^1,^*, Huajie Yin¹, Mohammad Al-Mamun¹, Sean E. Lowe¹, Weiping Zhang³, Yu Lin Zhong¹, Jun Chen², Yun Wang¹, Dan Wang⁴, and Huijun Zhao^1,^*

¹ Griffith University, Australia

² University of Wollongong, Australia

³ Guangdong University of Technology, China

⁴ Institute of Process Engineering, Chinese Academy of Science, China

Photosensitized CO₂ reduction system based on LiCoO₂ nanosheets was constructed. Detailed structural characterization and theoretical computations revealed that the dominantly exposed lithium atoms worked as catalytic sites and are responsible for superior selectivity towards carbonaceous products.

1061–1068

Bioinspired molecules design for bilateral synergistic passivation in buried interfaces of planar perovskite solar cells

Bin Wang¹, Junjie Ma¹, Zehua Li¹, Gangshu Chen¹, Qiang Gu¹, Shuyao Chen¹, Yiqiang Zhang^1,3,^*, Yanlin Song², Jingbo Chen¹, Xiaodong Pi³, Xuegong Yu³, and Deren Yang³

¹ Zhengzhou University, China

² Institute of Chemistry, Chinese Academy of Sciences, China

³ Zhejiang University, China

Inspired by the adhesion mechanism of mussels, we introduce three catechol derivatives into the buried interface of perovskite solar cells. The biological molecules can firmly bind both the unpassivated Sn⁴⁺ and Pb²⁺ ions, resulting in overall structure-function enhancement of the perovskite devices.

1069–1078

Spiral fractal patterns via hierarchical assembly

Li Zhang^1,^*, Ming Deng¹, Yu Duan², Xin Wen¹, Yuqian Jiang³, Hejin Jiang¹, Yuqiang Ma^2,^*, and Minghua Liu^1,^*

¹ Interface and Chemical Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, China

² Nanjing University, China

³ National Center for Nanoscience and Technology, China

Tree-shaped chiral fractal patterns were formed from the Fmoc-protected glutamic acid (Fmoc-Glu) and zinc-porphyrin (ZnTPyP) complex via hierarchical assembly.

1079–1086

One-dimensional iridium-based nanowires for efficient water electrooxidation and beyond

Leigang Li¹, Pengtang Wang², Zifang Cheng², Qi Shao², and Xiaoqing Huang^1,^*

¹ Xiamen University, China

² Soochow University, China

Perfect Ir-based nanowires are synthesized via a facile hydrothermal method and the synthesized Ir–Te nanowires exhibit dramatically enhanced oxygen evolution performance compared to the benchmark IrO₂ and Ir/C. The templated growth can be facilely extended to other metal-based nanowires, such as Ru–Te, Rh–Te, and Pt–Te, showing great promise for generalized synthesis of diversified metal-based nanowires and catalytic applications.

1087–1093

All-inorganic lead-free NiO_x/Cs₃Bi₂Br₉ perovskite heterojunction photodetectors for ultraviolet multispectral imaging

Yujin Liu, Yuxin Gao, Jingyi Zhi, Rongqing Huang, Wanjun Li, Xinyue Huang, Genghua Yan, Zhong Ji^*, and Wenjie Mai^*

Jinan University, China

We developed a NiO_x/Cs₃Bi₂Br₉ heterojunction photodetector (PD) with a NiO_x hole transport layer, and integrated the optimized PD into the transmission mode imaging system for demonstrating ultraviolet multispectral imaging application.

1094–1101

Tunable chiroptical application by encapsulating achiral lanthanide complexes into chiral MOF thin films

Rui Zhai^1,2, Yihong Xiao^1,4, Zhigang Gu^1,3,4,^*, and Jian Zhang^1,3,4

¹ Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, China

² Fujian Normal University, China

³ Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, China

⁴ University of Chinese Academy of Sciences, China

A series of oriented host–guest thin films by encapsulating achiral lanthanide complexes into the pores of surface-coordinated chiral metal–organic framework thin films (SURchirMOF) are first reported by using layer by layer strategy. The thin films with unique combination of chiral porous host and tunable photoluminescent guests possess strong and tunable circularly polarized luminescence (CPL) property with high dissymmetry factors.

1102–1108

Paper triboelectric nanogenerator designed for continuous reuse and quick construction

Zhenhuan Zhang^1,2, Yang Jie^2,3, Jiaqing Zhu^1,2, Zongye Zhu^2,3, Hong Chen^2,4, Qixin Lu^2,4, Yuanming Zeng^2,3, Xia Cao^1,2,3,4,^*, Ning Wang^1,^*, and Zhonglin Wang^2,3,5,^*

¹ University of Science and Technology Beijing, China

² Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, China

³ University of Chinese Academy of Sciences, China

⁴ Guangxi University, China

⁵ Georgia Institute of Technology, USA

Triboelectric nanogenerator based on waste paper can not only drive light-emitting diode (LED) lights, but also be integrated into books to detect reading behavior.

1109–1114

Moiré-pattern-modulated electronic structures in Sb₂Te₃/graphene heterostructure

Yin Yin¹, Guanyong Wang², Chen Liu¹, Haili Huang¹, Jiayi Chen¹, Jiaying Liu¹, Dandan Guan^1,3, Shiyong Wang^1,3, Yaoyii Li^1,3, Canhua Liu^1,3, Hao Zheng^1,3, and Jinfeng Jia^1,3,4,^*

¹ Shanghai Jiao Tong University, China

² Southern University of Science and Technology, China

³ Tsung-Dao Lee Institute, China

⁴ University of Chinese Academy of Sciences, China

Moiré superlattice is observed on topological insulator/graphene heterostructure by high resolution scanning tunneling microscopy

1115–1119

Stratigraphic analysis of intercalated graphite electrodes in aqueous inorganic acid solutions

Stefania De Rosa^1,2, Paolo Branchini¹, Valentina Spampinato³, Alexis Franquet³, Rossella Yivlialin⁴, Lamberto Duò⁵, Gianlorenzo Bussetti⁵, and Luca Tortora^1,6,^*

¹ LASR3 Surface Analysis Laboratory, Italy

² Roma Tre University, Italy

³ Imec, Belgium

⁴ Institute for Solar Fuels (EE-IF), Germany

⁵ Politecnico di Milano, Italy

⁶ Roma Tre University, Italy

Highly oriented pyrolytic graphite (HOPG) crystals were intercalated in perchloric (HClO₄) and sulfuric (H₂SO₄) acid solutions reaching the fourth stage of intercalation. By an innovative system that combines time-of-flight secondary ion mass spectrometry (ToF-SIMS) and in-situ atomic force microscopy (AFM), it was possible to obtain the identification and three-dimensional (3D) distribution of the chemical species involved in the intercalation mechanism.

1120–1127

Boosting photocatalytic hydrogen evolution of g-C₃N₄ catalyst via lowering the Fermi level of co-catalyst

Hairui Cai¹, Bin Wang^1,^*, Laifei Xiong¹, Jinglei Bi¹, Hanjing Hao¹, Xiaojing Yu², Chao Li¹, Jiamei Liu¹, and Shengchun Yang^1,^*

¹ Xi’an Jiaotong University, China

² Xi'an University of Technology, China

During the photocatalytic process, Pt₃Co co-catalyst not only possesses stronger electron capture ability than conventional Pt, but also facilitates the dissociation of H₂O molecules and the desorption of H*, thus resulting in a higher photocatalytic activity of GCN-Pt₃Co.

1128–1134

Enhanced endosomal escape of dendrigraft poly-L-lysine polymers for the efficient gene therapy of breast cancer

Li Ye¹, Hongmei Liu^1,2, Xin Fei², Ding Ma², Xiaozhen He², Qianyun Tang¹, Xue Zhao², Hanbing Zou², Xiaojing Chen², Xianming Kong^2,3,^*, and Peifeng Liu^1,2,^*

¹ Shanghai Jiao Tong University School of Medicine, China

² Shanghai Jiao Tong University, China

³ Shanghai University of Medicine and Health Sciences, China

The transfection efficiency of dendrigraft poly-L-lysine (DGL) polymers as gene carriers is greatly affected by their limited endosomal escape ability, although they have many other advantages suitable for gene carrier. In this research, we screened efficient and safe siRNA vectors with enhanced endosomal escape ability based on DGL polymers by constructing a library of phenylboronic acid modified DGL polymers (PBA-DGLs) for in vitro and in vivo breast cancer therapy.

1135–1144

Metallocorrole-based porous organic polymers as a heterogeneous catalytic nanoplatform for efficient carbon dioxide conversion

Yanming Zhao^1,2, Yunlei Peng³, Chuan Shan⁴, Zhou Lu², Lukasz Wojtas⁴, Zhenjie Zhang³, Bao Zhang^1,^*, Yaqing Feng^1,5, and Shengqian Ma^2,^*

¹ Tianjin University, China

² University of North Texas, USA

³ Nankai University, China

⁴ University of South Florida, USA

⁵ Collaborative Innovation Center of Chemical Science and Engineering, China

We successfully realize the heterogenization of molecular corrole compounds through the construction of custom-designed porous organic polymer (POPs) from functionalized metallocorrole complexes as the building units benefiting from the bottom-up approach, wherein CorPOP-1(Mn) shows the high heterogeneous catalytic performance in the context of carbon dioxide cycloaddition to form cyclic carbonates under mild reaction conditions.

1145–1152

Intracellular pH-responsive iron–catechin nanoparticles with osteogenic/anti-adipogenic and immunomodulatory effects for efficient bone repair

Ying Kong¹, Feng Liu¹, Baojin Ma², Wenhan Wang¹, Liang Li¹, Xiaoying Xu³, Zhaoyang Sun⁴, Hongru Yang¹, Yuanhua Sang¹, Dong Li⁴, Gang Li⁴, Chao Liu^4,†,^*, Shuhua Wang^1,^*, and Hong Liu^1,5,^*

¹ Shandong University, China

² Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, China

³ Jinan Women and Children’s Health Hospital, China

⁴ Qilu Hospital of Shandong University, China

⁵ University of Jinan, China

^† Present address: Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, China

In this study, pH-responsive iron–catechin nanoparticles are obtainedvia a facile metal–organic coordination process, promoting osteogenic differentiation and inhibiting adipogenic differentiation of stem cells. These nanoparticles also exhibit anti-inflammatory effect and are beneficial for bone tissue regeneration, which have great prospect of application in osteoinductive drugs, immunomodulators, and anti-obesity agents.

1153–1161

Organic ligand mediated evolution from aluminum-based superalkalis to superatomic molecules and one-dimensional nanowires

Jun Li¹, Haicai Huang¹, Jing Chen^1,2, Yuxiang Bu¹, and Shibo Cheng^1,^*

¹ Shandong University, China

² Suzhou Institute of Shandong University, China

Comprehensive density functional theory (DFT) calculations reveal the special regulation effects of the organic ligand in the superatom-assembly nanomaterials: from novel superalkalis to supeatomic molecules and stable one-dimensional nanowires with tunable nonlinear optical (NLO) response and significant absorption in the visible light region, respectively.

1162–1170

Ultrathin hexagonal boron nitride as a van der Waals’ force initiator activated graphene for engineering efficient non-metal electrocatalysts of Li-CO₂ battery

Zemin Sun, Di Wang, Liu Lin, Yuhui Liu, Mengwei Yuan, Caiyun Nan, Huifeng Li, Genban Sun^*, and Xiaojing Yang^*

Beijing Normal University, China

The van der Waals heterojunction electrocatalyst is developed to enhance the performance of Li-CO₂ batteries.

1171–1177

Spatial compartmentalization of metal nanoparticles within metal–organic frameworks for tandem reaction

Ting Pan, Islam E. Khalil, Zhiling Xu, Hongfeng Li, Xinglong Zhang, Gengwu Xiao, Weina Zhang, Yu Shen^*, and Fengwei Huo^*

Nanjing Tech University, China

Using metal–organic frameworks (MOFs) to precisely regulate the spatial location distribution of metal nanoparticles and the diffusion path of substrates provided by MOF channels, the selectivity of target product in tandem reaction can be improved.

1178–1182

Trinity immune enhancing nanoparticles for boosting antitumor immune responses of immunogenic chemotherapy

Yudi Xu^1,2,4, Sheng Ma^1,4, Jiayu Zhao^1,3,4, Xinghui Si^1,3,4, Zichao Huang^1,3,4, Yu Zhang^1,4, Wantong Song^1,4,^*, Zhaohui Tang^1,3,4,^*, and Xuesi Chen^1,3,4

¹ Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China

² University of Chinese Academy of Sciences, China

³ University of Science and Technology of China, China

⁴ Jilin Biomedical Polymers Engineering Laboratory, China

A trinity immune enhancing nanoparticles (TIENs) system was constructed for boosting the antitumor immune responses of chemo agents.

1183–1192

Highly efficient and recyclable amorphous Pd(II)/crystal Pd(0) catalyst for boosting Suzuki reaction in aqueous solution

Yong Zhao¹, Zhongning Huang¹, Lianmeng Wang¹, Xiangyu Chen¹, Yan Zhang¹, Xiuqin Yang^1,^*, Dawei Pang², Jianxin Kang^1,^*, and Lin Guo^1,^*

¹ Beihang University, China

² Beijing University of Technology, China

Ultrafine and highly dispersed Pd nanoparticles are successfully located on Pd(II) complex spheres through a simple and gentle one-pot method. With ultrathin mesoporous SiO₂ coating, the catalyst exhibits an excellent performance in eco-friendly aqueous media Suzuki reactions with high efficiency and excellent catalyst recyclability.

1193–1198

Continuous synthesis of ultrasmall core–shell upconversion nanoparticles via a flow chemistry method

Di Liu, Junyu Yan, Kai Wang*, Yundong Wang^*, and Guangsheng Luo

Tsinghua University, China

A continuous synthesis method for < 10 nm β-NaYF₄:Gd,Yb,Er/Ho/Tm@NaYF₄ nanoparticles was created based on coiled tube embedded flask reactors.

1199–1204

A step-by-step multiple stimuli-responsive metal-phenolic network prodrug nanoparticles for chemotherapy

Xiaoqing Yi¹, Weijia Zeng¹, Cui Wang¹, Ying Chen¹, Liangyuan Zheng¹, Xinlin Zhu¹, Yuqiu Ke², Xiaoyan He^3,^*, Ying Kuang^1,^*, and Qitong Huang^1,^*

¹ Gannan Medical University, China

² Jiangxi University of Science and Technology, China

³ Anhui Medical University, China

We presented here a step-by-step multiple stimuli-responsive metal-phenolic network prodrug nanoparticles of diPTX@Fe&TA nanoparticles for chemotherapy by a simple method, which showed superior stability, satisfactory drug loading capacity, good biocompatibility, reduced undesired premature release, and excellent anti-tumor ability.

1205–1212

Electrochemically stable lithium-ion and electron insulators (LEIs) for solid-state batteries

Kai Pei^1,2, So Yeon Kim², and Ju Li^2,^*

¹ Xi’an Jiaotong University, China

² Massachusetts Institute of Technology, USA

We searched the ab initio database to identify Li-ion and electron insulators (LEIs) that are thermodynamically stable against Li_BCC to combat the challenges in solid-state batteries with repeated waxing and waning of Li_BCC phase near contact interfaces that gives rise to mechanical (e.g., adhesion, fracture) and electrochemical challenges (e.g., reduction/metallization of the solid components).

1213–1220

Modulating reaction pathways of formic acid oxidation for optimized electrocatalytic performance of PtAu/CoNC

Mengchao Liang¹, Tianyu Xia^1,^*, Han Gao¹, Kai Zhao¹, Tianqi Cao¹, Meng Deng¹, Xiaoyan Ren¹, Shunfang Li¹, Haizhong Guo^1,2,^*, and Rongming Wang^3,^*

¹ Zhengzhou University, China

² Shandong Normal University, China

³ University of Science and Technology Beijing, China

The oxidation pathway of formic acid oxidation reaction can be modulated by regulating the content of Au in PtAu/CoNC to obtain efficient catalytic performance, which is 26.0 times higher than that of Pt/C.

1221–1229

In-situ growth of heterophase Ni nanocrystals on graphene for enhanced catalytic reduction of 4-nitrophenol

Jiahao Zhuang^1,2, Feng He³, Xianglin Liu⁴, Pengchao Si^1,2, Fangna Gu^2,^*, Jing Xu⁴, Yu Wang², Guangwen Xu³, Ziyi Zhong^5,6,^*, and Fabing Su^2,3,^*

¹ University of Chinese Academy of Sciences, China

² Institute of Process Engineering, Chinese Academy of Sciences, China

³ Shenyang University of Chemical Technology, China

⁴ East China University of Science and Technology, China

⁵ Guangdong Technion-Israel Institute of Technology (GTIIT), China

⁶ Technion-Israel Institute of Technology (IIT), Israel

A strategy is reported for in situ growth of the heterophase (fcc/hcp) Ni nanocrystals on the graphene support, with a thorough investigation of the formation mechanism and the outstanding catalytic property of the catalyst in the reduction of 4-nitrophenol.

1230–1237

Volcanic relationship between wettability of the interface and water migration rate in solar steam generation systems

Qiang Fu¹, Xiaojuan Li³, Ning Ma^2,^*, Dier Shi¹, Pohua Chen¹, and Junliang Sun^1,^*

¹ Beijing National Laboratory for Molecular Sciences (BNLMS), China

² Hubei University, China

³ Sichuan University, China

By exploring the volcanic curve between the number of hydroxyl groups and the water evaporation performances, the influence of the adsorption–desorption model on the migration of water molecules and the double-edged sword effect of wettability can be clarified. Using the combination of real time-time dependent density function theory-molecule dynamics (RD-DFT-MD) method and finite element method (FEM) method, the mechanism explanation and prospect are well carried out.

1238–1245

Engineering cobalt sulfide/oxide heterostructure with atomically mixed interfaces for synergistic electrocatalytic water splitting

Xiaoyang Wang¹, Yu He¹, Xiaopeng Han^1,^*, Jun Zhao¹, Lanlan Li², Jinfeng Zhang¹, Cheng Zhong¹, Yida Deng^1,^*, and Wenbin Hu¹

¹ Tianjin University, China

² Hebei University of Technology, China

The hierarchical Co₉S₈ nanoflakes decorated Co₃O₄ nanoarrays with rich heterointerface zones on Ni foam (Co₉S₈@Co₃O₄/NF) were obtained via a novel step-wise approach. The atomically mixed heterointerface zone provides more optimized active sites toward an excellent catalytic performance for overall water splitting.

1246–1253

Strain-sensitive ferromagnetic two-dimensional Cr₂Te₃

Junchuan Zhong, Mingshan Wang, Teng Liu, Yinghe Zhao, Xiang Xu, Shasha Zhou, Junbo Han^*, Lin Gan^*, and Tianyou Zhai^*

Huazhong University of Science and Technology, China

We reported that the ferromagnetic properties of chemical vapor deposition synthesized two-dimensional (2D) Cr₂Te₃ nanoflakes are sensitive to interfacial strain, which demonstrated a wide Curie temperature modulation range from ~ 40 to −90 K under strains ranging from 0.37% to −0.37%, varying with sample thicknesses

1254–1259

Evolution of stellated gold nanoparticles: New conceptual insights into controlling the surface processes

Gurvinder Singh^1,^*, Hesamodin Jami¹, Pooria Lesani¹, Shubhayan Bhattacharya², Yogambha Ramaswamy¹, Prem B. Bisht², and Hala Zreiqat^1,^*

¹ The University of Sydney, Australia

² Indian Institute of Technology Madras, India

We report a novel seed-mediated strategy for fabricating stellated gold nanoparticles in different sizes. Controlling the reduction rate of reaction and surface passivation of high energy facets are critical for growing stellated gold nanoparticles in a high yield. This work provides new design rules for fabricating anisotropic gold nanoparticles with predetermined physical properties.

1260–1268

Ligand-controlled synthesis of high density and ultra-small Ru nanoparticles with excellent electrocatalytic hydrogen evolution performance

Zhiwen Che, Xuyun Lu, Bingfeng Cai, Xiangxing Xu, Jianchun Bao, and Ying Liu^*

Nanjing Normal University, China

This work reports a ligand-controlled synthesis of high dispersed ultrafine Ru nanoparticles (about 1.5 nm) anchored onto the surface of hollow porous carbon shell (u-Ru/C), and surveys their formation mechanism via in-situ thermogravimetry-mass spectrometry-Fourier transform infrared spectra analyses. Such u-Ru/C catalyst demonstrates superior electrocatalytic hydrogen evolution performances in alkaline media.

1269–1275

Band alignment and interlayer hybridization in monolayer organic/WSe₂ heterojunction

Yanping Guo¹, Linlu Wu², Jinghao Deng¹, Linwei Zhou², Wei Jiang¹, Shuangzan Lu¹, Da Huo¹, Jiamin Ji¹, Yusong Bai¹, Xiaoyu Lin¹, Shunping Zhang¹, Hongxing Xu¹, Wei Ji^2,^*, and Chendong Zhang^1,^*

¹ Wuhan University, China

² Renmin University of China, China

The interfacial electronic structures are probed directly in the monolayer perylene-3,4,9,10-tetracarboxylic-dianhydride (PTCDA)/WSe₂ heterojunction.

1276–1281

Synthesis of ultrathin rhenium disulfide nanoribbons using nano test tubes

Luke T. Norman¹, Johannes Biskupek², Graham A. Rance¹, Craig T. Stoppiello¹, Ute Kaiser², and Andrei N. Khlobystov^1,^*

¹ University of Nottingham, UK

² Ulm University, Germany

Sub-nm rhenium disulfide nanoribbons are synthesized using single-walled carbon nanotubes as nano test tubes. A holistic analytical approach combining microscopy and spectroscopy methods has been applied to follow the synthetic route and to probe the products formed within nano test tubes.

1282–1287

Fine-tuning of Pd-Rh core-shell catalysts by interstitial hydrogen doping for enhanced methanol oxidation

Xiaoyun Guo¹, Zheng Hu¹, Jianxin Lv^1,2, Hui Li^1,2, Qinghua Zhang³, Lin Gu³, Wei Zhou¹, Jiangwei Zhang^4,^*, and Shi Hu^1,2,^*

¹ Tianjin University, China

² Hefei Comprehensive National Science Center, China

³ Institute of Physics, Chinese Academy of Sciences, China

⁴ Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China

Inspired by the strong interaction between H and Pd, the strategy of “hydrogen doping causes interpenetration between metal atoms” was firstly applied to the formation of surface alloys by N,N-dimethylformamide (DMF) solvothermal treatment at high temperatures. The methanol oxidation reaction under alkaline conditions proved the improvement of the catalyst performance after alloying, and the surface structure and activity source of the catalyst were explored through theoretical calculations.

1288–1294

Chiral hierarchical structure of bone minerals

Chao Zhou¹, Xueliang Zhang¹, Jing Ai², Ting Ji¹, Masaya Nagai³, Yingying Duan^2,^*, Shunai Che^1,2,^*, and Lu Han^2,^*

¹ Shanghai Jiao Tong University, China

² Tongji University, China

³ Osaka University, Japan

Nine levels of fractal-like chirality of bone were demonstrated by combining electron microscopic and spectrometric characterizations

1295–1302

Eu³⁺/Tb³⁺-doped whitlockite nanocrystals: Controllable synthesis, cell imaging, and the degradation process in the bone reconstruction

Zichen Yang, Tianyu Yao, Xiaoyan Zheng^*, Junfeng Hui, and Daidi Fan^*

Northwest University, China

This research reported a new synthesis strategy to prepare WH-Ln (Eu/Tb) NPs with bright red or green fluorescence by two-step hydrothermal reaction. The synthesized WH-Eu nanoparticles could be successfully applied for live cell imaging and visually observing its degradation process during bone regeneration.

1303–1309

Direct synthesis of large-area Al-doped graphene by chemical vapor deposition: Advancing the substitutionally doped graphene family

Sami Ullah¹, Yu Liu¹, Maria Hasan^2,3, Wenwen Zeng¹, Qitao Shi¹, Xiaoqin Yang⁴, Lei Fu⁵, Huy Q. Ta⁶, Xueyu Lian¹, Jingyu Sun¹, Ruizhi Yang¹, Lijun Liu⁴, and Mark H. Rümmeli^1,3,6,7,^*

¹ Soochow University, China

² National University of Technology, Pakistan

³ Polish Academy of Sciences, Poland

⁴ Xi’an Jiaotong University, China

⁵ Wuhan University, China

⁶ IFW Dresden, Germany

⁷ VŠB-Technical University of Ostrava, Czech Republic

Al-doped graphene is synthesized by chemical vapor deposition. The various characterizations unequivocally confirm the existence of substitutional Al-doped graphene.

1310–1318

Combining in-situ TEM observations and theoretical calculation for revealing the thermal stability of CeO₂ nanoflowers

Mingyun Zhu, Kuibo Yin^*, Yifeng Wen, Shugui Song, Yuwei Xiong, Yunqian Dai^*, and Litao Sun^*

Southeast University, China

The CeO₂ nanoflowers suffer a sinter among monomers under O₂/vacuum over a medium temperature range and then structurally decompose to small nanoparticles under O₂ or sublimate under vacuum at high temperatures.

1319–1326

Deterministic assembly of single emitters in sub-5 nanometer optical cavity formed by gold nanorod dimers on three-dimensional DNA origami

Zhi Zhao^1,2, Xiahui Chen¹, Jiawei Zuo¹, Ali Basiri¹, Shinhyuk Choi¹, Yu Yao¹, Yan Liu^1,^*, and Chao Wang^1,^*

¹ Arizona State University, USA

² Beijing University of Technology, China

A novel strategy was developed to deterministically place single emitters in sub-5 nanometer optical nanocavities formed by gold nanorod dimers using three-dimensional DNA origami. Such a system is highly desirable in studying light-matter interactions.

1327–1337

Engineering the atomic interface of porous ceria nanorod with single palladium atoms for hydrodehalogenation reaction

Zhijun Li^1,^*, Mingyang Zhang¹, Lili Zhang², Xiuli Dong¹, Leipeng Leng¹, J. Hugh Horton^1,3, and Jun Wang¹

¹ Northeast Petroleum University, China

² Institute of Metal Research, Chinese Academy of Sciences, China

³ Queen’s University, Canada

Herein, we report the facile construction of atomically dispersed palladium atoms anchored on defect-containing CeO₂ nanorod by an atomic interface engineering strategy. Its exceptional hydrodehalogenation performance was demonstrated and density functional theory (DFT) results reveal the unique under-coordination of the palladium atoms are responsible for the high activity and stability.

1338–1346

CdTe/CdSe-sensitized photocathode coupling with Ni-substituted polyoxometalate catalyst for photoelectrochemical generation of hydrogen

Junhao Zhang, Mo Zhang, Yuanyuan Dong^*, Congcong Bai, Yeqin Feng, Le Jiao, and Hongjin Lv^*

Beijing Institute of Technology, China

The CdTe/CdSe quantum dots (QDs) co-sensitized photocathode was constructed by a sequentially layer-by-layer spin-coating approach, resulting in pseudo-Type II band alignment to facilitate the separation and transportation of photogenerated charge carriers. Upon green LED light illumination, such pseudo-Type II CdTe/CdSe photocathode produces a photocurrent density of as high as 100 μA/cm² and a Faradaic efficiency of ~ 100%.

1347–1354

Strong near-infrared and ultrafast femtosecond nonlinearities of a covalently-linked triply-fused porphyrin dimer-SWCNT nanohybrid

Lulu Fu^1,2, Jun Ye², Hui Li², Zhipeng Huang², Mark G. Humphrey³, and Chi Zhang^1,2,^*

¹ Jiangnan University, China

² Tongji University, China

³ Australian National University, Australia

Triply-fused porphyrin dimer-single-walled carbon nanotube (TFP-SWCNT) nanohybrid exhibits strong nonlinear optical absorption under laser irradiation across a wide spectral region and a broad temporal domain.

1355–1365

Continuous dimethyl carbonate synthesis from CO₂ and methanol over Bi_xCe_1–xO_δ monoliths: Effect of bismuth doping on population of oxygen vacancies, activity, and reaction pathway

Yongdong Chen^1,^*, Yue Li¹, Wei Chen¹, Wen Wu Xu^2,^*, Zhong-kang Han³, Ammara Waheed⁴, Zhongbin Ye¹, Gao Li^4,^*, and Alfons Baiker^5,^*

¹ Southwest Petroleum University, China

² Ningbo University, China

³ Skolkovo Innovation Center, Russia

⁴ Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China

⁵ Institute for Chemical and Bioengineering, Switzerland

Bismuth doping strongly enhances the concentration of oxygen vacancies of ceria and its activity in the synthesis of dimethyl carbonate from CO₂ and methanol. The crucial role of oxygen vacancies is corroborated by experimental evidence and theoretical calculation of the reaction mechanism.

1366–1374

Moisture-preventing MAPbI₃ solar cells with high photovoltaic performance via multiple ligand engineering

Xin Li, Jinyue Du, Hui Duan, Haoyan Wang, Lin Fan, Yunfei Sun, Yingrui Sui, Jinghai Yang^*, Fengyou Wang^*, and Lili Yang^*

Jilin Normal University, China

The multiple ligand engineering has been performed for perovskite solar cells by introducing a 4TA molecular additive, enabling the devices with high photovoltaic performance and great long-term stability.

1375–1382

Photo-responsive shape memory polymer composites enabled by doping with biomass-derived carbon nanomaterials

Nina Yan¹, Zhiyu Zheng¹, Yunliang Liu², Xizhi Jiang¹, Jiamin Wu¹, Min Feng¹, Lei Xu^1,^*, Qingbao Guan^3,^*, and Haitao Li^2,^*

¹ Key Laboratory for Protected Agricultural Engineering in the Middle and Lower Reaches of Yangtze River, China

²Jiangsu University, China

³ Donghua University, China

A photo-responsive shape memory composite can be fabricated by incorporating renewable biomass-based carbon nanomaterials into acrylate polymers. These functionalized carbon nanomaterials can endow the polymers with excellent and stable thermal and photothermal responsive properties, which are expected to be the alternative to the fossil-based ones with brilliant prospects and provide a new avenue in smart fabrics or intelligent soft robotics

1383–1392

Hydrophobic 1-octadecanethiol functionalized copper catalyst promotes robust high-current CO₂ gas-diffusion electrolysis

Liangyao Xue¹, Xuefeng Wu¹, Yuanwei Liu1, Beibei Xu², Xuelu Wang², Sheng Dai^1,^*, Pengfei Liu^1,^*, and Huagui Yang^1,^*

¹ East China University of Science and Technology, China

² East China Normal University, China

The hydrophobic 1-octadecanethiol molecules were functionalized over the catalyst layer of gas diffusion electrode, which can significantly extend the active solid–liquid–gas three-phase interfaces inside the catalyst layer and protect the electrode from flooding.

1393–1398

A long/short-range interconnected carbon with well-defined mesopore for high-energy-density supercapacitors

Yuanyang Xie, Chang Yu^*, Wei Guo, Lin Ni, Zhao Wang, Jinhe Yu, Le Yang, Rong Fu, Kunlun Liu, and Jieshan Qiu^*

Dalian University of Technology, China

A petroleum asphalt-mediated co-conversion strategy is presented by employing its intrinsic features of liquid-phase carbonization to modulate and modify the solid-phase conversion process of biomass. The resultant carbon features the high ratio of mesopores (ca. 60%) together with long/short-range ordered and interconnected structure, achieving a superhigh-energy-density as electrode of supercapacitor. A visualized model is given to well correlate the structure– performance relationship in different electrolytes.

1399–1408

Isolated ultrasmall Bi nanosheets for efficient CO₂-to-formate electroreduction

Jinze Liu, Yuhang Li^*, Yating Wang, Chuqian Xiao, Miaomiao Liu, Xiaodong Zhou, Hao Jiang, and Chunzhong Li^*

East China University of Science and Technology, China

Isolated ultrasmall Bi nanosheets are decorated on Ag nanowires as a cooperate electrocatalyst for CO₂-to-formate reduction. With benefits of the high surface area of ultrasmall Bi nanosheets and BiO_x active species, a formate cathodic energy efficiency of 73% is achieved at high current density of 250 mA/cm² with the formate Faraday efficiency of 93%.

1409–1414

Wood-derived integrated air electrode with Co–N sites for rechargeable zinc-air batteries

Benji Zhou¹, Yanyan Liu^1,2,3,^*, Xianli Wu¹, Huan Liu¹, Tao Liu⁴, Yi Wang¹, Sehrish Mehdi^1,5, Jianchun Jiang^2,^*, and Baojun Li¹

¹ Zhengzhou University, China

² National Engineering Lab for Biomass Chemical Utilization, China

³ Henan Agricultural University, China

⁴ National Center for Nanoscience and Technology, China

⁵ The Women University, Pakistan

The integrated design strategy based on simultaneously constructing active sites and forming porous carbon network was successfully achieved for fabricating Co–N@ACS. The obtained Co–N@ACS is directly applied in zinc-air battery without further modification and shows outstanding performances.

1415–1423

Immobilizing VN ultrafine nanocrystals on N-doped carbon nanosheets enable multiple effects for high-rate lithium– sulfur batteries

Ning Song¹, Baojuan Xi^1,^*, Peng Wang¹, Xiaojian Ma¹, Weihua Chen², Jinkui Feng¹, and Shenglin Xiong^1,^*

¹ Shandong University, China

² Zhengzhou University, China

VN ultrafine nanocrystals immobilized on nitrogen-doped carbon hybrid nanosheets (VN@NCSs) are applied to modify the separator of a lithium–sulfur battery to boost its electrochemical performance. The multifunctional structural features of VN@NCSs not only provide abundant active sites for anchoring lithium polysulfides, but also promote their kinetic conversion via electrocatalysis.

1424–1432

Crosstalk between PC12 cells and endothelial cells in an artificial neurovascular niche constructed by a dual-functionalized self-assembling peptide nanofiber hydrogel

Zhe Zhang¹, Yi Chai¹, He Zhao³, Shuhui Yang¹, Wei Liu⁴, Zihui Yang⁵, Weilong Ye¹, Chenlong Wang¹, Xiaohan Gao¹, Xiangdong Kong², Xiaodan Sun¹, Lingyun Zhao¹, Tuoyu Chen¹, Yuqi Zhang¹, Jiaju Lu^2,^*, and Xiumei Wang^1,^*

¹ Tsinghua University, China

² Zhejiang Sci-Tech University, China

³ Beijing University of Chinese Medicine, China

⁴ The First Hospital of Hebei Medical University, China

⁵ Beijing Tsinghua Changgung Hospital, China

Aiming at generating facile in vitro models replicating the complex signaling to study the neurovascular crosstalk for insights into the design of new bioactive nanomaterials, in this study we utilized a dual-functionalized peptide nanofiber hydrogel (RADA/RGI/KLT) presenting the brain-derived neurotrophic factor (BDNF) and endothelial growth factor (VEGF) mimetic peptides RGI and KLT to construct an artificial neurovascular microenvironment, and evaluated the paracrine secretions and direct cell–cell interaction of pheochromocytoma (PC12) cells and human umbilical vein endothelial cells (HUVECs) in vitro, as well as further confirmed the reconstruction of a neurovascular unit in vivo.

1433–1445

Boron doped graphdiyne: A metal-free peroxidase mimetic nanozyme for antibacterial application

Xuelong Bi¹, Qiang Bai¹, Lina Wang^1,^*, Fanglin Du¹, Manhong Liu¹, William W Yu³, Siheng Li⁴, Jiaqiang Li², Zhiling Zhu^1,^*, Ning Sui^1,2,^*, and Jin Zhang^2,^*

¹ Qingdao University of Science and Technology, China

² Peking University, China

³ Louisiana State University Shreveport, USA

⁴ University of Houston, USA

The metal-free boron doped graphdiyne (B-GDY) is a high efficient two-dimensional (2D) peroxidase mimic nanozyme that catalyses the decomposition of H₂O₂ to produce massive detrimental reactive oxygen species (ROS). This nanozyme exhibits high antibacterial performance without obvious cytotoxicity compared to metal-based bactericides.

1446–1454

Regulation of pathological BBB restoration via nanostructured ROS-responsive glycolipid-like copolymer entrapping siVEGF for glioblastoma targeted therapeutics

Lijuan Wen^1,2, Yu Peng¹, Kai Wang², Zhihua Huang¹, Shiying He¹, Ruiwen Xiong¹, Longping Wu¹, Fengtian Zhang^3,4,^*, and Fuqiang Hu^2,^*

¹ Gannan Medical University, China

² Zhejiang University, China

³ First Affiliated Hospital of Gannan Medical University, China

⁴ Second Affiliated Hospital of Soochow University, China

Ap-CSTKSA/R complexes could target glioblastoma (GBM) cells via lipoprotein receptor-related protein 1 (LRP1)-mediated pathway, responding to endogenous high reactive oxygen species (ROS) in tumor cells and sequentially releasing siVEGF to realize a maximized anti-GBM effect in vivo.

1455–1465

Reversible switching of Kondo resonance in a single-molecule junction

Yuqing Xing¹, Hui Chen^1,2,^*, Bin Hu¹, Yuhan Ye¹, Werner A. Hofer¹, and Hong-Jun Gao^1,2,^*

¹ Institute of Physics, Chinese Academy of Sciences and University of Chinese Academy of Sciences, China

² Songshan Lake Materials Laboratory, China

The reversible switching between Kondo resonance and inelastic electron tunneling mode can be realized by adjusting the distance between a superconducting Nb tip and a Au surface to tune the tunneling barrier conductance. By controlling the structural configuration of the single-molecule junction equipped with a Nb tip, reversible transition between Kondo resonance and Yu–Shiba– Rusinov state can be achieved.

1466–1471

Rational tuning of thorium–organic frameworks by reticular chemistry for boosting radionuclide sequestration

Han Feng, Xiaohong Xiong, Lele Gong, Huiping Zhang, Ying Xu, Xuefeng Feng, and Feng Luo^*

East China University of Technology, China

Proof-of-concept of ligand effect was for the first time explored in Th-MOFs. This unique ligand effect was found to be a powerful tool to weaken the Th-O(H₂O) bond, thus creating defect site for binding guest molecule. This allows the modified Th-MOFs to give 36.8-fold and 56-fold enhancement in the radionuclide sequestration.

1472–1478

Observation of Bragg polaritons in monolayer tungsten disulphide

Xu Wang¹, Lishu Wu², Xuewen Zhang¹, Weihuang Yang³, Zheng Sun⁴, Jingzhi Shang^1,^*, Wei Huang^1,5,^*, and Ting Yu²^,^*

¹ Northwestern Polytechnical University (NPU), China

² Nanyang Technological University, Singapore

³ Hangzhou Dianzi University, China

⁴ East China Normal University, China

⁵ Nanjing Tech University, China

Here we have demonstrated room-temperature formation of Bragg polaritons in monolayer semiconductor on a dielectric mirror by the exciton-Bragg photon coupling.

1479–1485

Monolayer puckered pentagonal VTe₂: An emergent two-dimensional ferromagnetic semiconductor with multiferroic coupling

Xuanyi Li¹, Zhili Zhu¹, Qing Yang¹, Zexian Cao¹, Yeliang Wang^2,1,3, Sheng Meng^1,^*, Jiatao Sun^2,1,4,^*, and Hong-Jun Gao^1,3

¹ Institute of Physics and University of Chinese Academy of Sciences, Chinese Academy of Sciences, China

² Beijing Institute of Technology, China

³ CAS Center for Excellence in Topological Quantum Computation, China

⁴ BIT Chongqing Center for Microelectronics and Microsystems, China

A puckered pentagonal (PP) configuration of VTe₂ monolayer (PP-VTe₂), which possesses intrinsic ferromagnetic ordering and narrow-gap semiconducting band, is reported aiming for spintronics and infrared optoelectronics. A multiferroic coupling between its two-dimensional (2D) ferroelasticity and in-plane magnetization of the PP-VTe₂ is further obtained.

1486–1491

In-situ selective surface engineering of graphene micro-supercapacitor chips

Yiming Chen¹, Minghao Guo¹, Lin Xu^1,2,^*, Yuyang Cai¹, Xiaocong Tian^1,3, Xiaobin Liao¹, Zhaoyang Wang¹, Jiashen Meng¹, Xufeng Hong¹, and Liqiang Mai^1,2,^*

¹ Wuhan University of Technology, China

² Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, China

³ China University of Geosciences, China

A selective interface engineering strategy was employed to modify the 3D-printed graphene oxide (GO) micro-patterns without affecting interspaces between the finger electrodes. The fabricated edge-welded-graphene-based micro-supercapacitor chips exhibited considerably improved performance. Hence, this work will provide a new post-modification route for optimizing GO-based microelectrodes.

1492–1499

Well-defined coordination environment breaks the bottleneck of organic synthesis: Single-atom palladium catalyzed hydrosilylation of internal alkynes

Shicheng Ren, Bochao Ye, Siying Li, Liping Pang, Yingming Pan, and Haitao Tang^*

Guangxi Normal University, China

This work developed a palladium metallized porous organic ligand polymer (Pd@POL-1). The catalyst exhibited highly stereoselective hydrosilylation of internal alkynes with high catalytic performance.

1500–1508

Iron sites on defective BiOBr nanosheets: Tailoring the molecular oxygen activation for enhanced photocatalytic organic synthesis

Xinhui Ye, Yu Li^*, Peipei Luo, Bingcai He, Xinxing Cao, and Tongbu Lu^*

Tianjin University of Technology, China

The types of reactive oxygen species (ROS) can be readily altered from superoxide anion radical (O₂^•–) and singlet oxygen (¹O₂) to only ¹O₂ with boosted efficiency via anchoring Fe sites on oxygen deficient BiOBr nanosheets for selective organic oxidation reactions. The facilitated separation and migration of photogenerated charge carriers, enriched active sites, enhanced quantum yield of excited triplet state and accelerated energy transfer from excited triplet state to adsorbed O₂ enabled by the anchored Fe species cooperatively contribute to the promoted generation of ¹O₂.

1509–1516

Intramolecular hydrogen bonds in a single macromolecule: Strength in high vacuum versus liquid environments

Wanhao Cai¹, Duo Xu², Fa Zhang¹, Junhao Wei¹, Song Lu¹, Linmao Qian¹, Zhongyuan Lu², and Shuxun Cui^1,^*

¹ Southwest Jiaotong University, China

² Jilin University, China

The strength of an intramolecular H-bond in poly(N-isopropylacrylamide) is studied by single-molecule atomic force microscopy in vacuum. The results can be set as the standard value, namely, the inherent strength.

1517–1523

Comprehensive analysis of two-dimensional charge transport mechanism in thin-film transistors based on random networks of single-wall carbon nanotubes using transient measurements

Hyeonwoo Shin¹, Sang-Joon Park², Byeong-Cheol Kang², and Tae-Jun Ha^2,^*

¹ Seoul National University, Korea

² Kwangwoon University, Korea

The effects of charge trapping/de-trapping at shallow-and deep-traps on charge transport in the thin-film transistors based on random networks of single-wall carbon nanotubes (SWCNT-TFTs) are investigated using a comprehensive analysis method of both direct-current (DC) and time-domain transient measurements. Two-dimensional (2D) charge transport mechanisms in the SWCNT-TFTs are discussed using an empirical equation derived from a theoretical trapping model based on the measured transient response as a function of travel time of charge carriers through the channel

1524–1531

SnSe field-effect transistors with improved electrical properties

Shuai Liu, Yujia Chen, Shengxue Yang^*, and Chengbao Jiang^*

Beihang University, China

We reported a high-performance SnSe field-effect transistor with hexagonal boron nitride encapsulation and graphene contacts. The device exhibited a high on/off ratio exceeding 1 × 10⁹, and a carrier mobility of 118 cm²·V⁻¹·s⁻¹.

1532–1537

Surface control of layered double hydroxides by in-situ initiating & terminating polymerization

Dan Tong¹, Yuquan Zhu¹, Kaitao Li, Kuilin Du, Wendi Liu^1,^*, and Yanjun Lin^1,2,^*

¹ Beijing University of Chemical Technology, China

² Qinghai University, China

The surface state of layered double hydroxides can be controlled by an in-situ initiating and terminating polymerization method. With optimized morphology and ratio of grafted polymer, the compatibility and dispersibility in polymer matrices have been largely improved.

1538–1546

Controllable printing of large-scale compact perovskite films for flexible photodetectors

Zhenkun Gu^1,2, Ying Wang¹, Shiheng Wang¹, Ting Zhang¹, Rudai Zhao¹, Xiaotian Hu², Zhandong Huang², Meng Su², Qun Xu1, Lihong Li^2,^*, Yiqiang Zhang^1,^*, and Yanlin Song²^,3,^*

¹ Zhengzhou University, China

² Beijing National Laboratory for Molecular Sciences (BNLMS), China

³ University of Chinese Academy of Sciences, China

A polymer-assisted crystallization strategy for large-scale printing of compact perovskite films was demonstrated to fabricate flexible photodetectors.

1547–1553

Black phosphorus quantum dots as multifunctional nanozymes for tumor photothermal/catalytic synergistic therapy

Hui Ding^1,3, Daji Wang^1,3, Haibing Huang¹, Xiaozhu Chen¹, Jie Wang¹, Jinjie Sun¹, Jianlin Zhang², Lu Lu¹, Beiping Miao¹, Yanjuan Cai¹, Kelong Fan³, Yongtian Lu¹, Hongsong Dong¹, Xiyun Yan^3,^*, Guohui Nie^1,^*, and Minmin Liang^2,^*

¹ Shenzhen Second People’s Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, China

² Beijing Institute of Technology, China

³ Institute of Biophysics, Chinese Academy of Sciences, China

Biomimetic erythrocyte membrane-camouflaged ultrasmall black phosphorus quantum dots (BPQDs) were developed that simultaneously exhibited an exceptional near infrared (NIR) photothermal property and dramatically photothermal-enhanced glucose oxidase (GOx)-like activity selectively in acidic tumor microenvironment. By combining the intrinsic photothermal property and the unique photothermal-enhanced GOx-like catalytic activity, the engineered BPQDs demonstrated to be an effective therapeutic strategy for tumor photothermal/catalytic synergistic therapy.

1554–1563

Calibrating SECCM measurements by means of a nanoelectrode ruler. The intrinsic oxygen reduction activity of PtNi catalyst nanoparticles

Emmanuel Batsa Tetteh¹, Tobias Löffler¹, Tsvetan Tarnev¹, Thomas Quast¹, Patrick Wilde¹, Harshitha Barike Aiyappa¹, Simon Schumacher², Corina Andronescu², Richard D. Tilley³, Xingxing Chen^4,^*, and Wolfgang Schuhmann^1,^*

¹ Ruhr University Bochum, Germany

² University Duisburg Essen, Germany

³ University of New South Wales, Australia

⁴ University of Science and Technology Liaoning, China

We showcase how statistical intrinsic activity data obtained with scanning electrochemical cell microscopy (SECCM) measurements can be interpreted via quantification by a complementary technique of isolated nanoparticles at focused ion beam (FIB) processed nanometre-sized electrodes.

1564–1569

Orderly defective superstructure for enhanced pseudocapacitive storage in titanium niobium oxide

Le Yang¹, Jinfeng Zeng^1,2, Lei Zhou¹, Ruiwen Sha^1,^*, Wellars Utetiwabo¹, Muhammad Khurram Tufail¹, Saisai Wang¹, Wen Yang^1,^*, and Jiatao Zhang¹

¹ Beijing Institute of Technology, China

² Xinjiang Medical University, China

Orderly defective titanium niobium oxide with oxygen vacancies were synthesized by in-situ gas reaction. The defective structure improves its pseudocapacitive performance for lithium-ion storage.

1570–1578

Enhanced dual plasmonic photocatalysis through plasmonic coupling in eccentric noble metal–nonstoichiometric copper chalcogenide hetero-nanostructures

Mariia Ivanchenko¹, Vida Nooshnab², Alline F. Myers³, Nicolas Large², Andrew J. Evangelista¹, and Hao Jing^1,^*

¹ George Mason University, USA

² The University of Texas at San Antonio, USA

³ National Institute of Standards and Technology (NIST), USA

Through systematical evaluations of the photocatalytic performance of Au@Cu_2–xSe upon sole (NIR) and dual (VIS + NIR) simultaneous excitations, the role of plasmonic coupling which resulted in the accelerated photocatalytic reactions with greater rate constants between two dissimilar building blocks has been unambiguously elucidated from both experimental and computational perspectives

1579–1586

Green synthesis of Au@WSe₂ hybrid nanostructures with the enhanced peroxidase-like activity for sensitive colorimetric detection of glucose

Chengyi Hong¹, Lingling Chen¹, Chenyue Wu¹, Dan Yang³, Jia-Yong Dai⁴, Zhiyong Huang¹ , Ren Cai^2,^*, and Weihong Tan²

¹ Jimei University, China

² Hunan University, China

³ RMIT University, Australia

⁴ Medical College of Zhejiang University, China

A green synthesis method of Au@WSe₂ nanocomposites is first reported. A colorimetric method for glucose detection is established by coupling Au@WSe₂ hybrid nanostructures and glucose oxidase

1587–1592

Oriented electron tunneling transport in hierarchical Ag/SiO₂/TiO₂ nanobowl arrays for plasmonic solar water splitting

Zexin Yu, Lixia Sang^*, Angran Cao, and Yunlong Gao

Beijing University of Technology, China

To eliminate the difficulty of overbarrier mechanism, a thin SiO₂ layer artificially created between Ag and TiO₂ gives assistance to the directional injection of hot electrons, which in high- or low-energy states, in form of tunneling. The hierarchical TiO₂ nanobowl structure brings about the oriented transmission of electrons from the upper nanoring to the lower nanohole.

1593–1602

Ultimate dielectric scaling of 2D transistors via van der Waals metal integration

Weiqi Dang, Bei Zhao, Chang Liu, Xiangdong Yang, Lingan Kong, Zheyi Lu, Bo Li, Jia Li, Hongmei Zhang, Wanying Li, Shun Shi, Ziyue Qin, Lei Liao, Xidong Duan^*, and Yuan Liu^*

Hunan University, China

We reported the reduced gate leakage of series sub-10 nm high-κ dielectric on MoS₂ top-gate device by van der Waals (vdW) metal integration and realized gate dielectric scaling down to ultimate 1 nm

1603–1608

Multi-time scale photoelectric behavior in facile fabricated transparent and flexible silicon nanowires aerogel membrane

Jin Yang, Jingbo He, Xiaobin Zou, Bo Sun, Yong Sun^*, and Chengxin Wang^*

Sun Yat-sen University, China

A high-quality flexible and transparent silicon nanowires membrane is fabricated via a simple chemical vapor deposition route. Coexistence of a rapid positive process and a slow negative photoconductance one is revealed in a graphene/Si nanowires membrane/Al sandwiched device.

1609–1615

Defects inducing anomalous exciton kinetics in monolayer WS₂

Zhe Li¹, Yan Zeng¹, Zhenwei Ou¹, Tianzhu Zhang¹, Rongguang Du¹, Ke Wu¹, Quanbing Guo², Wei Jiang¹, Yuhao Xu¹, Tao Li³, Tai Min³, Ti Wang^1,^*, and Hongxing Xu^1,^*

¹ Wuhan University, China

² Shenzhen University, China

³ Xi’an Jiaotong University, China

Transient absorption microscopy is employed to study exciton kinetics in hexagonal monolayer WS₂. Defects induce anomalous power dependence exciton dynamics that provoke the shrink of exciton in spatial. These phenomena are explained by a model with two defect related decay channels.

1616–1622

Critical adhesion areas of cells on micro-nanopatterns

Shuang Zheng¹, Qiong Liu^1,2, Junhao He¹, Xinlei Wang¹, Kai Ye¹, Xuan Wang¹, Ce Yan¹, Peng Liu^1,3, and Jiandong Ding^1,^*

¹ Fudan University, China

² The Second Military Medical University, China

³ Chongqing University, China

A series of arginine–glycine–aspartate (RGD) nanoarrayed microislands with varied microisland sizes and RGD nanospacings were prepared on a nonfouling background. The concept of critical cell adhesion area was justified on micro-nanopatterned surfaces, and the values were found to be dependent upon RGD nanospacings.

1623–1635

The relief of hypoxic microenvironment using an O₂ self-sufficient fluorinated nanoplatform for enhanced photodynamic eradication of bacterial biofilms

Lingyun Zou, Dengfeng Hu, Fanjin Wang, Qiao Jin, and Jian Ji^*

Zhejiang University, China

An oxygen-sufficient cationic liposomal nanoplatform is developed for hypoxia relief to improve biofilm killing efficiency through enhanced photodynamic therapy

1636–1644

Orthogonal modular biosynthesis of nanoscale conjugate vaccines for vaccination against infection

Xin Li, Chao Pan^*, Peng Sun, Zhehui Peng, Erling Feng, Jun Wu, Hengliang Wang^*, and Li Zhu^*

Beijing Institute of Biotechnology, China

By combining protein glycosylation technology and SpyTag/SpyCatcher system, bacterial O-polysaccharide antigens could be effectively connected to various virus-like particles (VLP) carriers under mild conditions to induce more excellent immune activation and protection effects, even without adjuvants.

1645–1653

In-situ quantification of the surface roughness for facile fabrications of atomically smooth thin films

Genhao Liang^1,2, Long Cheng^2,^*, Junkun Zha^1,2, Hui Cao³, Jingxian Zhang^1,2, Qixin Liu^1,2, Mingrui Bao², Jia Liu², and Xiaofang Zhai^1,2,^*

¹ University of Science and Technology of China, China

² ShanghaiTech University, China

³ Argonne National Laboratory, USA

A new in-situ technique for roughness characterization is developed by performing quantitative analysis of the reflection high-energy electron diffraction (RHEED) intensity profile. The real-time monitoring of each as-grown layer’s roughness is realized with a very high resolution down to ~ 0.1 Å. The technique significantly boosts up the synthesis efficiency of thin films with quality control at single-atomic-layer level.

1654–1659

Study on mechanism of low-temperature oxidation of n-hexanal catalysed by 2D ultrathin Co₃O₄ nanosheets

Leilei Miao¹, Xiaolong Tang^1,2, Shunzheng Zhao^1,2, Xizhou Xie¹, Chengcheng Du¹, Tian Tang¹, and Honghong Yi^1,2,^*

¹ University of Science and Technology of China, China

² Beijing Key Laboratory of Resource-Oriented Treatment of Industrial Pollutants, China

The introduction of oxygen vacancies makes the electron–hole reach a non-dynamic equilibrium. Oxygen vacancies capture free electrons, hinder the recombination of electrons and holes, extend the lifetime of electrons, and then combine with oxygen to form active components.

1660–1671

Femtosecond laser micro-nano processing for boosting bubble releasing of gas evolution reactions

Shuai Zhang¹, Lishuang Xu¹, Jie Wu¹, Ying Yang^1,^*, Chengxin Zhang¹, Haiyan Tao^1,^*, Jingquan Lin^1,^*, Licheng Huang¹, Wencheng Fang¹, Keying Shi², and Xiangting Dong^1,^*

¹ Changchun University of Science and Technology, China

² Heilongjiang University, China

By using high precision and controllable femtosecond laser, hierarchical micro-nano structures with superaerophobic properties were constructed on the surface of silicon substrate (fs-Si), and such special super-wettability could be successfully inherited to subsequent self-supporting electrodes through chemical synthesis.

1672–1679

Exosome-mimicking nanovesicles derived from efficacy-potentiated stem cell membrane and secretome for regeneration of injured tissue

Chunxiao Qi, Xiangsheng Liu, Dengke Zhi, Yifan Tai, Yufei Liu, Qiqi Sun, Kai Wang, Shufang Wang^*, Adam C. Midgley^*, and Deling Kong^*

Nankai University, China

Meseomes exhibited therapeutic effects by driving parallel mechanisms of anti-apoptosis, anti-inflammation, pro-angiogenesis, and anti-fibrosis capacities.

1680–1690

The effect of multiple pairs of meta-dicarboxyl groups on molecular self-assembly and the selective adsorption of coronene by hydrogen bonding and van der Waals forces

Jianqiao Li^1,2,3, Wendi Luo¹, Siqi Zhang^1,2, Chunyu Ma^1,2, Xunwen Xiao^3,^*, Wubiao Duan^2,^*, and Qingdao Zeng^1,^*

¹ National Center for Nanoscience and Technology (NCNST), China

² Beijing Jiaotong University, China

³ Ningbo University of Technology, China

1,3,6,8-Tetrakis(3,5-isophthalic acid)pyrene (H8TIAPy) molecules can be regulated into kagomé networks with hexagonal pores by coronene (COR) molecules. 4’,4’’’,4’’’’’,4’’’’’’’-(Ethene-1,1,2,2-tetrayl)tetrakis(([1,1’-biphenyl]-3,5-dicarboxylic acid)) (H8ETTB) molecules self-assembled into acid-COR-acid-COR co-assembled structures and had stronger adsorption for COR than that of hexaphenylbenzene (HPB).

1691–1697

High energy and insensitive explosives based on energetic porous aromatic frameworks

Jian Song¹, Yansong Shi¹, Yao Lu², Qinghai Shu^1,^*, Yuyang Tian^2,*, Fengchao Cui², Xiaosong Duli¹, Xijuan Lv¹, Shaohua Jin¹, and Guangshan Zhu^2,^*

¹ Beijing Institute of Technology, China

² Northeast Normal University, China

As a new concept for energetic materials, energetic porous aromatic frameworks (EPAFs) are designed and constructed. A series of target energetic composite materials are obtained through coating high energy explosives in the EPAFs. The composite materials show superior energetic properties and energetic porous aromatic frameworks could be a promising and inspiring strategy to build high energy insensitive energetic materials.