Nano Research

Research Article

Ni-doped ZnCo2O4 atomic layers to boost the selectivity in solar-driven reduction of CO2

Katong Liu, Xiaodong Li, Liang Liang, Ju Wu, Xingchen Jiao, Jiaqi Xu, Yongfu Sun*, and Yi Xie*

University of Science and Technology of China, China

Element doping engineering was successfully applied to regulate the product selectivity of CO2 photoreduction, in which synthetic Ni-doped ZnCo2O4 atomic layers exhibited a 3.5-time higher CO selectivity over CH4 evolution than the pristine ZnCo2O4 atomic layers.


Review Articles

Space-confined vapor deposition synthesis of two dimensional materials

Shasha Zhou, Lin Gan*, Deli Wang, Huiqiao Li, and Tianyou Zhai*

University of Science and Technology, China

The space-confined vapor deposition method is used to constrain the reaction dimensions during materials growth to achieve more controllable fabrication, which is beneficial to the formation of various high-quality ultrathin two-dimensional (2D) materials and the construction of 2D patterns. Thus, this technique plays an increasingly important role in materials fabrication and (opto)-electronics research.


Nanomaterial-assisted sensitization of oncotherapy

Yufei Wang1,2, Juan Liu3, Xiaowei Ma1,2,*, and Xing-Jie Liang1,2,*

1 National Center for Nanoscience and Technology of China, China

2 University of Chinese Academy of Sciences, China

3 Beijing Institute of Transfusion Medicine, China

One of the crucial reasons for poor therapeutic effects in radio/chemotherapy and multidrug resistance is insufficient sensitivity of cancer cells to endo-/exogenous stimuli. This review highlights recent achievements in nanomaterial-assisted oncotherapeutic sensitization and discusses opportunities and challenges in the future development of nanomedicine.


Development, applications, and future directions of triboelectric nanogenerators

Mingyuan Ma, Zhuo Kang, Qingliang Liao*, Qian Zhang, Fangfang Gao, Xuan Zhao, Zheng Zhang, and Yue Zhang*

University of Science and Technology Beijing, China

Since the invention of the triboelectric nanogenerator (TENG) in 2012, it has seen enormous progress. This review presents the development, applications, and future directions of TENG in energy harvesting, self-powered sensing, and blue energy.


Magnetic labeling of natural lipid encapsulations with iron-based nanoparticles

Dewen Ye1,2, Yan Li1, and Ning Gu1,2,*

1 Southeast University, China

2 Collaborative Innovation Center of Suzhou Nano Science and Technology, China

This review highlights advances in magnetic labeling of both cells and extracellular vesicles, which is one of the hottest branches in biology. Through an overview of the application, labeling strategies, and factors influencing their use, we hope to provide a perspective of this promising field.


Aqueous electrocatalytic N2 reduction under ambient conditions

Na Cao and Gengfeng Zheng*

Fudan University, China

This review focuses on recent progress in the design and fabrication of electrocatalysts for the aqueous N2 reduction reaction under ambient conditions. Different categories of electrocatalysts, including metals, oxides, and polymers, are discussed, focusing on promoting their catalytic activities and selectivities over the N2 reduction process; other system designs, such as Li-N2 batteries, and the solvent effect are also discussed.


Biomimetic approaches toward smart bio-hybrid systems

Zhiqiang Luo1,*, Dara E. Weiss2, Qingyun Liu1, and Bozhi Tian2,*

1 Huazhong University of Science and Technology, China

2 The University of Chicago, USA

Building functional interfaces between living systems and artificial materials or devices is an emerging field. In this review, we highlight a few recent advances in the fabrication and application of seamlessly integrated bio-hybrid systems, with a particular emphasis on the three-dimensional (3D) constructs that recapitulate the features in naturally occurring systems.


Exciton dissociation dynamics and light-driven H2 generation in colloidal 2D cadmium chalcogenide nanoplatelet heterostructures

Qiuyang Li and Tianquan Lian*

Emory University, USA

Two-dimensional (2D) nanoplatelets may enhance solar-to-H2 conversion efficiency because of their unique morphology and electronic properties. In this review, we summarize the recent advances on exciton dissociation dynamics and light-driven H2 generation properties of colloidal nanoplatelet heterostructures.


Plasmon-enhanced ZnO whispering-gallery mode lasing

Chunxiang Xu1,*, Feifei Qin1, Qiuxiang Zhu1,2, Junfeng Lu1,3, Yueyue Wang4, Jitao Li5, Yi Lin6, Qiannan Cui1, Zengliang Shi1, and Arumugam Gowri Manohari1

1 Southeast University, China

2 Hunan City University, China

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

4 Zhejiang A&F University, China

5 Zhoukou Normal University, China

6 Huaiyin Institute of Technology, China

Collaborative enhancements from surface plasmons (SPs) and whispering-gallery modes (WGMs) can induce intense near-field effects with high spatial localization around the surface of a semiconducting material. An efficient hybrid microcavity based on the coupling between SPs and WGMs can be achieved; thus, the lasing performance of the semiconducting microcavity is significantly improved.


Recent progress on printable power supply devices and systems with nanomaterials

Yuanjing Lin1, Yuan Gao1,†, Fang Fang2,*, and Zhiyong Fan1,* 

1 The Hong Kong University of Science and Technology, Hong Kong, China

2 Fudan University, China

Present address: The Hong Kong Polytechnic University, Hong Kong, China

Power supply devices can be fabricated via printable strategies with the merits of remarkable scalability and versatility, which are highly desirable to meet the demand of next-generation wearable and portable electronics. This review provides an overview on the progress of printing techniques combined with the unique properties of nanomaterials to revolutionize the fabrication of power supply devices and integrated systems.


Research Articles

A general synthetic strategy to monolayer graphene

Youqi Zhu1,2, Tai Cao2, Chuanbao Cao1,*, Xilan Ma1, Xingyan Xu1, and Yadong Li2,*

1 Beijing Institute of Technology, China

2 Tsinghua University, China

We herein report a novel direct pyrolytic conversion strategy for the gram-scale preparation of monolayer graphene from solid carbon sources in the presence of Na2CO3.


Au nanocomposite enhanced electret film for triboelectric nanogenerator

Bao Dong Chen1,2, Wei Tang1,2, Chi Zhang1,2, Liang Xu1,2, Lai Pan Zhu1,2, Lei Jing Yang1,2, Chuan He1,2, Jian Chen1,2, Long Liu1,2, Tao Zhou1,2, and Zhong Lin Wang1,2,3,*

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

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

3 Georgia Institute of Technology, USA

For the enhancement of output from triboelectric nanogenerators, in combination with corona charging, a new embedded-nanocapacitorstructure polytetrafluoroethylene (PTFE) impregnated with gold nanoparticles is introduced for the improvement of surface charge density. The triboelectric nanogenerator’s output performance is greatly enhanced and its surface charge density is systematically studied, which shows significant room for the improvement of the output of triboelectric nanogenerators by modification of tribomaterials.


6-inch uniform vertically-oriented graphene on soda-lime glass for photothermal applications

Haina Ci, Huaying Ren, Yue Qi, Xudong Chen, Zhaolong Chen, Jincan Zhang, Yanfeng Zhang*, and Zhongfan Liu*

Peking University, China

The direct synthesis of vertically-oriented graphene (VG) nanosheets on 6-inch traditional soda-lime glass was achieved by a direct-current plasma enhanced chemical vapor deposition (dc-PECVD) route at 580 °C. Particularly, the achieved VG nanosheets/glass hybrid materials exhibit excellent solarthermal performances, and show great promise in the engineering of versatile applications in future transparent green warmth construction materials.


Observation of unconventionalanomalous Hall effect in epitaxial CrTe thin films

Dapeng Zhao1, Liguo Zhang1, Iftikhar Ahmed Malik2, Menghan Liao1, Wenqiang Cui1, Xinqiang Cai1, Cheng Zheng1, Luxin Li1, Xiaopeng Hu1, Ding Zhang1,3, Jinxing Zhang2, Xi Chen1,3, Wanjun Jiang1,3,*, and Qikun Xue1,3,*

1 Tsinghua University, China

2 Beijing Normal University, China

3 Collaborative Innovation Center of Quantum Matter, China

Unconventional anomalous Hall effect is observed in epitaxial CrTe thin films grown on SrTiO3 substrates by molecular beam epitaxy.


Facile synthesis of Pd concave nanocubes: From kineticsto mechanistic understanding and rationally designed protocol

Madeline Vara1 and Younan Xia1,2,*

1 Georgia Institute of Technology, USA

2 Georgia Institute of Technology and Emory University, USA

By controlling the kinetic pathway, solution reduction versus surface reduction, we developed a one-pot, room-temperature method for the synthesis of Pd concave nanocubes.


A versatile method for the encapsulation of various nonprecious metal nanoparticles inside single-walled carbon nanotubes

Tingting Cui1,2, Xiulian Pan1,*, Jinhu Dong1,2, Shu Miao1, Dengyun Miao1, and Xinhe Bao1,*

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

2 University of Chinese Academy of Sciences, China

We present a facile and versatile method for efficiently encapsulating various non-precious metal, metal oxide and metal carbide nanoparticles, including Mo, W, V, Mn, Fe, and Co, inside single-walled carbon nanotubes with a diameter of 1–2 nm.


Ultra-small Pd clusters supported by chitin nanowiresas highly efficient catalysts

Xianglin Pei1, Yi Deng1, Bo Duan1, Ting-Shan Chan2, Jyh-Fu Lee2, Aiwen Lei1,*, and Lina Zhang1,*

1 Wuhan University, China

2 “National Synchrotron Radiation Research Center”, Taiwan, China

Chitin microspheres consisting of nanowires were used as microenvironmental supports to anchor ultra-small Pd clusters. The supported Pd-cluster catalysts exhibited superior catalytic activity and stability for the hydrogenation of nitroarenes, suggesting potential industrial applicability.


Investigation of black phosphorus as a nano-optical polarization element by polarized Raman spectroscopy

Nannan Mao1, Shishu Zhang1, Jinxiong Wu1, Huihui Tian1, Juanxia Wu1, Hua Xu2, Hailin Peng1, Lianming Tong1,*and Jin Zhang1,*

1 Peking University, China

2 Shaanxi Normal University, China

Owing to its natural linear dichroism and birefringence, layered black phosphorus (BP) with a nanometer thickness can remarkably alter the polarization state of a linearly-polarized laser and behave as an ultrathin optical polarization element in a BP-Bi2Se3 stacking structure, by inducing the exceptional polarized Raman scattering of the isotropic Bi2Se3.


A strategy for accurate detection of glucose in human serum and whole blood based on an upconversion nanoparticles-polydopamine nanosystem

Yan Liu1,2, Datao Tu1, Wei Zheng1,*, Lianyu Lu1, Wenwu You1,2, Shanyong Zhou1, Ping Huang1, Renfu Li1, and Xueyuan Chen1,2,*

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

2 University of Chinese Academy of Sciences, China

We developed a novel strategy for the accurate detection of glucose in human serum and whole blood, based on an upconversion nanoparticles-polydopamine nanosystem through the simple mixing of test samples with ligand-free upconversion nanoparticles, dopamine, and glucose oxidase.


Three-dimensional macroscale assembly of Pd nanoclusters

Kai Wang, Haifeng Lin, Bing Ni, Haoyi Li, Muhammad Aurang Zeb Gul Sial, Haozhou Yang, Jing Zhuang, and Xun Wang*

Tsinghua University, China

Pd nanoclusters (diameter: 1.8 nm) were assembled into aligned centimeter-size honeycomb structures via a directional freezing process. The ultra-small inorganic core and the interactions between the building blocks were identified as the key factors for the assembly.


Morphology and property investigation of primary particulate matter particles from different sources

Rufan Zhang1, Chong Liu1, Guangmin Zhou1, Jie Sun1, Nian Liu1, Po-Chun Hsu1, Haotian Wang1, Yongcai Qiu1Jie Zhao1, Tong Wu1, Wenting Zhao1, and Yi Cui1,2,*

1 Stanford University, USA

2 SLAC National Accelerator Laboratory, USA

The morphologies and properties of primary PM10 and PM2.5 particles from different sources were investigated using a nanofiber-based in situ sampling approach.


pH-sensitive zwitterionic coating of gold nanocages improves tumor targeting and photothermal treatment efficacy

Ji-Gang Piao1,2, Feng Gao1, Yunong Li1, Lei Yu1, Dong Liu1, Zi-Bin Tan1, Yujie Xiong1,*, Lihua Yang1,*, and Ye-Zi You1,*

1 University of Science and Technology of China, China

2 Hangzhou Branch of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, China

Using gold nanocages as a model nanotherapeutic, we showed that coating the nanoparticles with a pH-sensitive zwitterionic ligand capable of sensing small differences in extracellular pH between tumor and normal tissues simultaneously conferred enhanced cellular internalization at acidic pH in tumors and extended systemic circulation, which has not been achieved previously for stealth materials applied alone.


Electric field and photoelectrical effect bi-enhanced hydrogen evolution reaction

Mengyu Yan1,2, Xunbiao Zhou1, Xuelei Pan1, Junhui Wang1, Lixue Xia1, Kesong Yu1, Xiaobin Liao1, Xu Xu1, Liang He1, and Liqiang Mai1,*

1 Wuhan University of Technology, China

2 University of Washington, USA

A photo-electrochemical hydrogen evolution reaction (HER) device with individual MoS2 nanosheet was fabricated and utilized to investigate the influence of electric field and sunlight illumination on the hydrogen production capability of MoS2. In addition, it was demonstrated that the activity of the electrocatalyst had a strong and rapid response to the illumination with sunlight by measuring the electrochemical potential dependent chronoamperometry.


Biomolecule-templated photochemical synthesis of silver nanoparticles: Multiple readouts of localized surface plasmon resonance for pattern recognition

Fang Pu1, Xiang Ran1,3, Meng Guan2, Yanyan Huang1,3, Jinsong Ren1,*, and Xiaogang Qu1,*

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

2 Jilin University, China

3 University of Chinese Academy of Sciences, China

Silver nanoparticles (AgNPs) with distinct localized surface plasmon resonance (LSPR) absorption spectra can be synthesized using different biomolecules as templates upon irradiation by light. We utilized the multiple readouts of LSPR signals of biomolecule-templated AgNPs to construct sensor arrays for pattern recognition of various biomolecules.


One-pot synthesis of Au@Pt star-like nanocrystals and their enhanced electrocatalytic performance for formic acid and ethanol oxidation

Yi Peng1,2, Lidong Li1,*, Ran Tao1, Lingyu Tan1, Mengna Qiu1, and Lin Guo1,*

1 Beihang University, China

2 University of California, USA

A star-like Au@Pt core–shell nanocatalyst has been simply synthesized by solution methods, and the produced nanocrystals show greatly enhanced catalytic activity toward formic acid and ethanol oxidation.


Heterostructured graphene quantum dot/WSe2/Si photodetector with suppressed dark current and improved detectivity

Mengxing Sun1, Qiyi Fang2, Dan Xie1,*, Yilin Sun1, Liu Qian1, Jianlong Xu3, Peng Xiao3, Changjiu Teng1, Weiwei Li1, Tianling Ren1, and Yanfeng Zhang2,*

1 Tsinghua University, China

2 Peking University, China

3 Soochow University, China

A high-quality physical vapor deposition-grown monolayer WSe2/Si heterojunction is formed that demonstrates an extremely low dark current of 1 nA and high rectification ratio of 107. The WSe2/Si heterojunction decorated with graphene quantum dots exhibits excellent performance characterized by a wide response spectrum

of ultraviolet–visible–near-infrared and improved specific detectivity.


Nanoscale covalent organic polymers as a biodegradable nanomedicine for chemotherapy-enhanced photodynamic therapy of cancer

Hairong Wang, Wenwen Zhu, Liangzhu Feng, Qian Chen, Yu Chao, Ziliang Dong, and Zhuang Liu*

Soochow University, China

This work presents a covalent-organic polymer (COP, THPP-Pt-PEG)-based nanomedicine displaying GSH-induced dissociation, drug release, lyophilizable formulation, prolonged blood half-life, efficient tumor passive homing, and tumor vasculature normalization behavior, largely via tumor hypoxia relief behavior, and has applications in combined photodynamic-chemotherapy.


Understanding the structural evolution and Na+ kinetics in honeycomb-ordered O'3-Na3Ni2SbO6 cathodes

Peng-Fei Wang1,2, Hu-Rong Yao1,2, Ya You1,2, Yong-Gang Sun1,2, Ya-Xia Yin1,2,*, and Yu-Guo Guo1,2,*

1 Institute of Chemistry, Chinese Academy of Sciences, China

2 University of Chinese Academy of Sciences, China

We synthesized a honeycomb-ordered Na3Ni2SbO6 compound and investigated the phase transformation mechanism and Na+ kinetics during sodium (de)intercalation. The partial irreversible O′3–P′3 phase transition is found to be responsible for the insufficient cycling stability. The fast Na+ mobility in the interlayer establishes the linkage between the kinetic advantage and a good rate performance of the cathode.


A novel strategy to construct supported Pd nanocomposites with synergistically enhanced catalytic performances

Shuangfei Cai, Xueliang Liu, Qiusen Han, Cui Qi, Rong Yang*, and Chen Wang*

University of Chinese Academy of Sciences, China

We report a facile strategy for the one-pot synthesis of monodisperse Pd nanoparticles (NPs) supported on ultrathin NiCl2 nanosheets. The effective protocol can be described as a three-step in situ reduction–oxidation–assembly process to construct Pd/NiCl2 nanocomposites as heterogeneous catalysts for various important applications.


Rapid low-temperature synthesis of perovskite/carbon nanocomposites as superior electrocatalysts for oxygen reduction in Zn-air batteries

Zhenhua Yan, Hongming Sun, Xiang Chen, Xiaorui Fu, Chengcheng Chen, Fangyi Cheng*, and Jun Chen

Nankai University, China

Perovskite/carbon nanocomposites, rapidly fabricated by a novel, mild gel auto-combustion approach at 180 ℃, feature homogeneous dispersion and strong oxide-carbon coupling and exhibit a Pt-like electrocatalytic oxygen reduction performance for alkaline Zn-air batteries.


Coordination-responsive drug release inside gold nanorod@metal-organic framework core–shell nanostructures for near-infrared-induced synergistic chemophotothermal therapy

Yantao Li, Jun Jin, Dawei Wang, Jiawei Lv, Ke Hou, Yaling Liu*, Chunying Chen*, and Zhiyong Tang*

National Center for Nanoscience and Technology, China

Gold nanorod@metal-organic framework (AuNR@MOF) core–shell nanostructures exhibit high drug-loading capacity followed by pH and near-infrared (NIR) dual stimuli-responsive drug release via formation and breakage of coordination bonds in the system. Impressively, under NIR irradiation, these core–shell nanostructures display high performance of NIR-induced synergistic chemophotothermal therapy both in vitro and in vivo, confirmed by cell treatment and tumor ablation via intravenous injection.


Confined-solution process for high-quality CH3NH3PbBr3 single crystals with controllable morphologies

Yitan Li1, Lu Han1, Qiao Liu1, Wei Wang1, Yuguang Chen1, Min Lyu1, Xuemei Li1, Hao Sun2, Hao Wang1, Shufeng Wang1, and Yan Li1,*

1 Peking University, China

2 Bruker (Beijing) Scientific Technology Co., Ltd., China

Manipulation of the fluid pattern and saturation of a precursor solution, confined within a micrometer-thick cavity, enables the creation of single-crystal CH3NH3PbBr3 with excellent qualities and tunable morphologies (sheets or wires). The thickness of the sheets can be controlled, while those sheets exhibit an atomic-level surface roughness. The length of the wires is in the order of centimeters.


Enhanced O2 reduction on atomically thin Pt-based nanoshells by integrating surface facet, interfacial electronic, and substrate stabilization effects

Wei Ye, Zhongti Sun, Chengming Wang*, Mengshan Ye, Chenhao Ren, Ran Long, Xusheng Zheng, Junfa Zhu, Xiaojun Wu*, and Yujie Xiong*

University of Science and Technology of China, China

A metallic stack design is developed to reduce Pt usage while enhancing activity and durability in O2 reduction reaction (ORR), based on material synthesis with atomic precision. The design integrates a high-index surface with interfacial electronic effects and substrate stabilization to enhance ORR performance.


High-purity helical carbon nanotubes by trace-waterassisted chemical vapor deposition: Large-scale synthesis and growth mechanism

Fanbin Meng1, Ying Wang1, Qiang Wang1, Xiaoling Xu1, Man Jiang1, Xuesong zhou2, Ping He2, and Zuowan Zhou1,*

1 Southwest Jiaotong University, China

2 Zhonghao Heiyuan Research Institute of Chemical Industry, China

Introducing trace water can help boost the synthesis of ~ 100% pure helical carbon nanotubes (HCNTs) with yield of ~ 8,078%. Both the purity and the yield of the product are much higher than those obtained without trace water and those mentioned in other reports.


Functional interlayer of PVDF-HFP and carbon nanofiber for long-life lithium-sulfur batteries

Anyi Zhang, Xin Fang, Chenfei Shen, Yihang Liu, In Gi Seo, Yuqiang Ma, Liang Chen, Patrick Cottingham, and Chongwu Zhou*

University of Southern California, USA

In order to address the challenges associated with the use of lithium-sulfur (Li-S) batteries, we created a poly(vinylidene fluorideco- hexafluoropropylene) (PVDF-HFP)+carbon nanofiber (CNF) composite interlayer and capped it onto a CNF+Li2S6 composite cathode, thus forming a three-dimensional (3D) structural design with multitude advantages, thus enabling outstanding long-cycling performance.


Stability and protection of nanowire devices in air

Zhen He, Muhammad Hassan, Huan-Xin Ju, Rui Wang, Jin-Long Wang, Jia-Fu Chen, Jun-Fa Zhu, Jian-Wei Liu*, and Shu-Hong Yu*

University of Science and Technology of China, China

We report a systematic investigation of three processes (polymer coating, inert atmosphere protection, and thickness-induced selfprotection) used to protect tellurium nanowire devices from oxidation when exposed to open air. After the protection treatments, the nanowire devices remain stable even after 800 days of storage, that can greatly improve the stability of the device duration.


Surface-adsorbed ions on TiO2 nanosheets for selective photocatalytic CO2 reduction

Xiaogang Li, Wentuan Bi, Zhe Wang, Wenguang Zhu, Wangsheng Chu*, Changzheng Wu*, and Yi Xie

University of Science and Technology of China, China

A method based on surface-adsorbed ions on TiO2 nanosheets for photocatalytic CO2 reduction is reported. The incorporation of isolated Bi ions on the surface of TiO2 nanosheets free from bulk perturbations provides a built-in electric field that effectively modulates charge carrier separation. This results in an improved CO2 reduction performance and preferred CH4 conversion.


Wafer-scale synthesis of monolayer WS2 for highperformance flexible photodetectors by enhanced chemical vapor deposition

Changyong Lan1,2, Ziyao Zhou1, Zhifei Zhou2, Chun Li2, Lei Shu1, Lifan Shen1, Dapan Li1, Ruoting Dong1SenPo Yip1, and Johnny C. Ho1,*

1 City University of Hong Kong, China

2 University of Electronic Science and Technology of China, China

Wafer-scale monolayer WS2 with high quality and uniformity was successfully synthesized by enhanced chemical vapor deposition. Flexible photodetectors based on the synthesized monolayer WS2 show excellent device performance and mechanical flexibility.


Calcium carbonate-doxorubicin@silica-indocyanine green nanospheres with photo-triggered drug delivery enhance cell killing in drug-resistant breast cancer cells

Wei Wang1, Yang Zhao1, Bei-Bei Yan1, Liang Dong1, Yang Lu2, and Shu-Hong Yu1,*

1 University of Science and Technology of China, China

2 Hefei University of Technology, China

Calcium carbonate-doxorubicin@silica-indocyanine green nanospheres with high uniformity and monodispersity have been synthesized, providing a photo-triggered platform for drug-resistant cancer therapy.


Effects of gold core size on regulating the performance of doxorubicin-conjugated gold nanoparticles

Dongyan Wu1, Huaisong Wang1, Xiaoshuang Hou1, Huan Chen1, Yu Ma1, Yanglong Hou2,*, Jin Hong1, and Ya Ding1,*

1 China Pharmaceutical University, China

2 Peking University, China

We employed doxorubicin-conjugated gold nanoparticles as a demonstration to better understand the effects of the size of the gold core on the structural design of potential therapeutic nanosystems.


An electrocatalyst with anti-oxidized capability for overall water splitting

Chang Yu, Huawei Huang, Si Zhou, Xiaotong Han, Changtai Zhao, Juan Yang, Shaofeng Li, Wei Guo, Bowen An, Jijun Zhao, and Jieshan Qiu*

Dalian University of Technology, China

An anti-oxidized NiS2 electrocatalyst (Fe-NiS2) that features enhanced adsorption energy toward hydroxyl ions and a “superaerophobic” structure was developed by a Fe-induced conversion strategy. Benefitting from these merits, Fe-NiS2 delivers a greatly improved catalytic activity and long-term stability for water splitting.


Gold nanoparticles cause size-dependent inhibition of embryonic development during murine pregnancy

Xiaowei Ma1,2, Xiaolong Yang3, Yufei Wang1,2, Juan Liu4Shubin Jin5, Shuyi Li1,2, and Xing-Jie Liang1,2,*

1 National Center for Nanoscience and Technology of China, China

2 University of Chinese Academy of Sciences, China

3 Tianjin University of Science & Technology, China

4 Beijing Institute of Transfusion Medicine, China

5 Beijing Municipal Institute of Labour Protection, China

15 nm gold nanoparticles (Au NPs) down-regulate the expression of germ layer markers, which resulted in compromised embryonic differentiation and fetal resorption.


Hybrid electrolyte with robust garnet-ceramic electrolyte for lithium anode protection in lithium-oxygen batteries

Jin Wang1,2, Yanbin Yin1,2, Tong Liu1, Xiaoyang Yang1,2, Zhiwen Chang1,3, and Xinbo Zhang1,*

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

2 Jilin University, China

3 University of Chinese Academy of Sciences, China

A hybrid electrolyte was designed for lithium anode protection in lithium-oxygen batteries.


Dish-like higher-ordered palladium nanostructures through metal ion-ligand complexation

Xi Yin1, Miao Shi, Kam Sang Kwok, Haidong Zhao, Danielle L. Gray, Jeffery A. Bertke, and Hong Yang*

University of Illinois at Urbana–Champaign, USA

Complexation between palladium acetylacetonate and alkylamine in the presence of carboxylic acid controls the growth kinetics of palladium nanoplates, leading to the formation of dish-like higherordered two-dimensional nanostructures.


Enzymatic formation of curcumin in vitro and in vivo

Jiaqing Wang1, Taotao Xiong2, Jie Zhou1, Hongjian He1, Dongdong Wu1, Xuewen Du1, Xingyi Li2,*, and Bing Xu1,*

1 Brandeis University, USA

2 Wenzhou Medical University, China

Here we show that simply using enzymatic assembly to generate nanoparticles of curcumin (Cur) in-situ allows it to function reproducibly as an anticancer and an anti-inflammatory agent. As a rational approach for applying to pan-assay interference compound (PAINS) and invalid metabolic panaceas (IMPS) candidates, this work illustrates a way that ultimately may bring back the promise and potential clinical benefits of PAINS and IMPS candidates.


Template-free large-scale synthesis of g-C3N4 microtubes for enhanced visible light-driven photocatalytic H2 production

Chao Zhou1, Run Shi1,2, Lu Shang1, Li-Zhu Wu1, Chen-Ho Tung1, and Tierui Zhang1,2,*

1 Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, China

2 University of Chinese Academy of Sciences, China

A facile and template-free hydrothermal-assisted thermal polymerization method has been developed for the large-scale synthesis of one-dimensional (1D) graphitic carbon nitride (g-C3N4) microtubes, which show enhanced photocatalytic H2 production activity under visible light irradiation compared with bulk g-C3N4.


Conversion of confined metal@ZIF-8 structures to intermetallic nanoparticles supported on nitrogen-doped carbon for electrocatalysis

Zhiyuan Qi1,2, Yuchen Pei1,2, Tian Wei Goh1,2, Zhaoyi Wang1,3, Xinle Li1,2, Mary Lowe1, Raghu V. Maligal-Ganesh1,2, and Wenyu Huang1,2,*

1 Iowa State University, USA

2 Ames Laboratory, U.S. Department of Energy, USA

3 Beijing Normal University, China

Monodisperse PtZn intermetallic nanoparticles synthesized via one-pot pyrolysis exhibited high sintering resistance (up to 1,000 ℃) and electrocatalytic activity. The facile synthesis method adopted in this work also allows fine-tuning of both the size and composition of the nanoparticles.


Catalyzing polysulfide conversion by g-C3N4 in a graphene network for long-life lithium-sulfur batteries

Meng Wang1, Qinghua Liang2, Junwei Han1, Ying Tao1,*, Donghai Liu1, Chen Zhang1, Wei Lv2, and Quan-Hong Yang1,*

1 Tianjin University, China

2 Tsinghua University, China

A well-designed graphitic carbon nitride (g-C3N4)/graphene hybrid with porous g-C3N4 nanosheets inside a three-dimensional (3D) graphene framework has been successfully prepared as the host for lithium-sulfur cathodes. This hybrid can effectively prevent lithium polysulfide shuttling by catalyzing the rapid conversion of soluble lithium polysulfides within the spatial pore confinement, affording an excellent cycling stability for lithium-sulfur batteries.


Pt@h-BN core–shell fuel cell electrocatalysts with electrocatalysis confined under outer shells

Mengmeng Sun1,2, Jinchao Dong3, Yang Lv4, Siqin Zhao1,2, Caixia Meng1,2, Yujiang Song4, Guoxiong Wang1, Jianfeng Li3,*, Qiang Fu1,*, Zhongqun Tian3, and Xinhe Bao1

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

2 University of Chinese Academy of Sciences, China

3 Xiamen University, China

4 Dalian University of Technology, China

Electrochemical (EC) reactions and operando EC-Raman investigations over Pt@hexagonal boron nitride (h-BN) core–shell nanostructures provide direct evidences of electrocatalytic reactions confined under h-BN shells and confirm the concept of “electrocatalysis under cover”.


Enabling silicon photoanodes for efficient solar water splitting by electroless-deposited nickel

Jiheng Zhao, Thomas Mark Gill, and Xiaolin Zheng*

Stanford University, USA

Modified electroless deposition (ELD) is used to deposit a uniform Ni catalytic film that enables Si photoanode for efficient and stable solar water oxidation.


Tuning oxygen vacancies in two-dimensional iron-cobalt oxide nanosheets through hydrogenation for enhanced oxygen evolution activity

Linzhou Zhuang1, Yi Jia2, Tianwei He3, Aijun Du3, Xuecheng Yan2, Lei Ge1, Zhonghua Zhu1,*, and Xiangdong Yao2,*

1 The University of Queensland, Australia

2 Griffith University, Australia

3 Queensland University of Technology, Australia

The oxygen vacancy density of Fe1Co1Ox nanosheets can be tuned by varying the conditions of their hydrogenation process at low temperature and high pressure. The optimal control of oxygen vacancies in two-dimensional (2D) Fe1Co1Ox via hydrogenation can significantly improve its activity in the oxygen evolution reaction (OER).



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