《纳米研究》2021年第8期目录

Original 编辑部 NanoResearch 2022-09-25

收录于合集 #目录 21个

Perspective Review

Advances of CNT-based systems in thermal management

Wei Yu¹, Changhong Liu^1,*, and Shoushan Fan¹

Tsinghua University, China

This article describes the recent progress of carbon nanotube (CNT)-based systems in the thermal management.

2471–2490

Review Articles

Biomimetic nanomedicine toward personalized disease theranostics

Huisong Hao¹, Yu Chen^2,*, and Meiying Wu^1,*

¹Sun Yat-sen University, China

²Shanghai University, China

The intriguing progresses and advantages of cell membrane-based biomimetic nanosystems in the detection and treatment of various diseases over the past five years are overviewed.

2491–2511

Shining light on transition metal sulfides: New choices as highly efficient antibacterial agents

Hecheng Han¹, Jingjing Yang¹, Xiaoyan Li¹, Yuan Qi¹, Zhengyi Yang¹, Zejun Han¹, Yanyan Jiang^1,2,3,*, Martina Stenzel⁴, Hui Li¹, Yixin Yin^5,*, Yi Du⁵, Jiurong Liu¹, and Fenglong Wang^1,3,*

¹Shandong University, China

²Suzhou Institute of Shandong University, China

³ShenZhen Research Institute of Shandong University, China

⁴University of New South Wales, Australia

⁵Jinan Stomatology Hospital, China

The antibacterial mechanisms and effective strategies for construction transition metal sulfides based materials with high-efficiency antibacterial properties have been reviewed.

2512–2534

Redox-active nanoparticles for inflammatory bowel disease

Qinjuan Ren, Si Sun, and Xiao-Dong Zhang^*

Tianjin University, China

Both inorganic and organic NPs with enzyme-like catalytic activities can effectively scavenge ROS/RNS, which are widely exploited in treatment of IBD and regulation of gut microbiota.

2535–2557

Research Articles

Lattice-strained nanotubes facilitate efficient natural sunlight-driven CO₂ photoreduction

Shujie Liang¹, Xueming Liu¹, Zuqi Zhong¹, Bin Han¹, Xiaohui Zhong¹, Weiyi Chen¹, Kainan Song¹, Hong Deng^1,2,*, and Zhang Lin^1,2

¹South China University of Technology, China

²The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), China

Ni₂(OH)(PO₄) nanotubes multi-synergetic effects of surface-OH and the lattice strain enable a substantially enhanced performance for CO₂ photocatalysis in pure or diluted CO₂, which could afford an accumulated CO of ca. 26.8 μmol with 96.9% CO selectivity.

2558–2567

High flux photocatalytic self-cleaning nanosheet C₃N₄ membrane supported by cellulose nanofibers for dye wastewater purification

Lilong Zhang^1,2, Ge Meng¹, Guifang Fan¹, Keli Chen², Yulong Wu^1,3,*, and Jian Liu⁴

¹Tsinghua University, China

²Jilin University, China

³ Xinjiang University, China

⁴ Qingdao University of Science and Technology, China

We report a preparation process of the photocatalytic membrane device that can degrade dye pollution under visible light. This filtration membrane with a well-organized multilayer structure simultaneously achieved continuous and flow-through separation of degradation products.

2568–2573

Favorable anion adsorption/desorption of high rate NiSe₂ nanosheets/hollow mesoporous carbon for battery-supercapacitor hybrid devices

Xiaojuan Zhao¹, Houzhao Wan^1,*, Pei Liang^2,*, Nengze Wang¹, Cong Wang¹, Yi Gan¹, Xu Chen^1,3, Qiuyang Tan¹, Xiang Liu¹, Jun Zhang¹, Yi Wang³, Hanbin Wang^1,*, and Hao Wang^1,*

¹Hubei University, China

² China Jiliang University, China

³ Max Planck Institute for Solid State Research, Germany

The prepared HMCS/NiSe₂ composite structure is benificial to OH− adsorption/desorption. It shows a max specific capacity of 1,153.5 C•g⁻¹ at the current density of 1 A•g⁻¹, and can remain at 774.5 C•g⁻¹ even at 40 A•g⁻¹ (the retention rate as high as 67.1%) and it can keep 80.5% specific capacity after 5,000 cycles at a current density of 10 A•g⁻¹.

2574–2583

An ultra-stable microporous supramolecular framework with highly selective adsorption and separation of water over ethanol

Zhengyi Di^1,2, Jiandong Pang¹, Falu Hu^1,*, Mingyan Wu^1,*, and Maochun Hong¹

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

²University of Chinese Academy of Sciences, China

A π•••π stacking supramolecular framework with high stability can selectively absorb water molecules over ethanol due to the suitable channels.

2584–2588

A high-strength self-healing nano-silica hydrogel with anisotropic differential conductivity

Xingyu Huang¹, Xiaofan Zhou^1,*, Hao Zhou¹, Yidan Zhong¹, Hui Luo¹, and Fan Zhang²

¹ Nanjing Forestry University, China

² Fuzhou University, China

This approach by controling the concentration of the reaction interface and with assistance of mechanical force, prevents the deposition of particles and makes the hydrogel form a special directional hole structure formed.

2589–2595

Pomegranate-like C₆₀@cobalt/nitrogen-codoped porous carbon for high-performance oxygen reduction reaction and lithium-sulfur battery

Jianhua Wu, Shiyang Wang, Zhanwu Lei, Runnan Guan, Muqing Chen, Pingwu Du, Yalin Lu, Ruiguo Cao^*, and Shangfeng Yang^*

University of Science and Technology of China, China

Pomegranate-like C₆₀-embedded Co/N-codoped porous carbon materials (C₆₀@Co-N-PCM) have been synthesized by pyrolyzing a novel C₆₀@ZIF-67 hybrid precursor, affording larger specific surface area, higher electrical conductivity and more exposed Co-Nx active sites of electrocatalysis than the pristine Co-N-PCM, consequently improved ORR electrocatalytic activity and high rate capacity in Li-S battery are achieved.

2596–2605

Discretely-supported nanoimprint lithography for patterning the high-spatial-frequency stepped surface

Chunhui Wang, Yu Fan, Jinyou Shao^*, Zhengjie Yang, Jiaxing Sun, Hongmiao Tian, and Xiangming Li

Xi’an Jiaotong University, China

A discretely-supported nanoimprint lithography technique was proposed to nanopatterning on the high-spatial-frequency stepped surface. Based on the proposed discretely-supported nanoimprint lithography (NIL), nanostructures were fabricated on the light emitting diode (LED) chips, with an increase by more than 40% in the optical output power.

2606–2612

Superconducting properties and topological nodal lines features in centrosymmetric Sn_0.5TaSe₂

Mukhtar L. Adam^1,2, Zhanfeng Liu¹, Oyawale A. Moses¹, Xiaojun Wu^1,*, and Li Song^1,*

¹ University of Science and Technology of China, China

²Bayero University, Nigeria

The coexistence of superconductivity and topological features is induced by Sn intercalating TaSe₂.

2613–2619

Ultralight porous poly (vinylidene fluoride)-graphene nano-composites with compressive sensing properties

Seyed Mohsen Seraji¹, Xing Jin², Zhifeng Yi¹, Chunfang Feng¹, and Nisa V. Salim^1,2,*

¹Deakin University, Australia

² Swinburne University of Technology, Australia

This paper describes, for the first time, a simple architecture for a flexible ultrasensitive, compressive sensor with stable stress–current response and it can be used to detect body motions. Here we explore the use of a unique gelation and crystallization method of poly (vinylidene fluoride) (PVDF) with various loadings of graphene in a simple and sustainable method to fabricate porous microstructure without limit in size and shape.

2620–2629

Photo-triggered nucleus targeting for cancer drug delivery

Yafei Li¹, Wen Lv¹, Lang Wang¹, Yaming Zhang¹, Lipeng Yang², Tianyi Wang¹, Linyong Zhu², Yufeng Wang¹, and Weiping Wang^1,*

¹The University of Hong Kong, Hong Kong, China

²East China University of Science and Technology, China

A prodrug-based photo-triggered drug delivery system achieved high drug loading capacity and nucleus targeting for cancer therapy, with extended targeting ability by simply changing targeting ligands.

2630–2636

Jahn-Teller distortion assisted interstitial nitrogen engineering: Enhanced oxygen dehydrogenation activity of N-doped Mn_xCo_3–xO₄ hierarchical micro-nano particles

Yangxin Jin^1,2, Fengfeng Li¹, Peixin Cui³, Yun Yang², Qingping Ke^1,*, Minh Ngoc Ha^1,4, Wangcheng Zhan⁵, Fei Ruan¹, Chao Wan¹, Zhao Lei¹, Van Noi Nguyen⁴, Wei Chen^2,*, and Jun Tang^1,*

¹ Anhui University of Technology, China

²Wenzhou University, China

³ Institute of Soil Science, Chinese Academy of Sciences, China

⁴Vietnam National University, Vietnam

⁵ East China University of Science and Technology, China

Nitrogen-doped Mn_xCo_3–xO₄ catalyst was fabricated through interstitial N heteroatom-engineered oxygen vacancies for efficient aerobic dehydrogenation coupling of aromatic amine to azobenzene.

2637–2643

Multi-shell nanocomposites based multienzyme mimetics for efficient intracellular antioxidation

Yongjian Ai¹, Jinzhi You¹, Jianyi Gao², Jiaping Wang², Hong-bin Sun³, Mingyu Ding¹, and Qionglin Liang^1,*

¹ Tsinghua University, China

²China Astronaut Research and Training Center, China

³ Northeastern University, China

The fabricated Se@Me@MnO₂ biocompatible nanozyme possess SOD-like, CAT-like and GPx-like activity, and exhibit high efficiency for intracellular antioxidation and anti-inflammation.

2644–2653

Single-molecule observation of mechanical isomerization of spirothiopyran and subsequent Click addition

Ruixiang Yao¹, Xun Li^1,3, Nan Xiao², Wengui Weng^2,*, and Wenke Zhang^1,*

¹ Jilin University, China

²Xiamen University, China

³University of Liège, Belgium

Dynamic ring opening-closing process of spirothiopyran and the Click reaction after isomerization were monitored at single molecule level by using atomic force microscopy (AFM)-based single molecule force spectroscopy.

2654–2658

Suppressing the surface passivation of Pt-Mo nanowires via constructing Mo-Se coordination for boosting HER performance

Lei Yu¹, Tingting Zhou¹, Shuhua Cao¹, Xishi Tai¹, Lili Liu¹, and Yao Wang^2,*

¹Weifang University, China

²Tsinghua University, China

The ultralong Pt₈₅Mo₁₅-Se nanowires (NWs) with rich “interfacial active sites” were fabricated by using Se as promoter to demonstrate the enhanced catalytic hydrogen evolution reaction (HER) performance triggered by the electronic and synergistic effect of PtMo/MoSe_x.

2659–2665

Gram-scale fabrication of patchy nanoparticles with tunable spatial topology and chemical functionality

Jiecheng Cui^1,2,*, Yi Li¹, Huili Yuan¹, Ning Gao², Kai Feng², Wenyun Li², Kang Zhou², Xianpeng Yin², and Guangtao Li^2,*

¹Zhejiang Normal University, China

²Tsinghua University, China

In this work, an effective method of fabricating patchy particles with tunable spatial topology and chemical composition of patches is presented. The number, distribution, size and chemical property of the patches can be tailored by adjusting the packing of the colloidal particles and the processing condition.

2666–2672

Ultra-broadband spatial light modulation with dual-resonance coupled epsilon-near-zero materials

Qin Chen^1,*, Shichao Song², Huacun Wang², Li Liang¹, Yajin Dong¹, and Long Wen^1,*

¹Jinan University, China

²Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, China

Dual-resonance enhanced epsilon-near-zero electroabsorption modulation scheme enables a significant improvement of modulation depth-bandwidth product in an indium tin oxide (ITO) embedded metal-dielectric-metal structure.

2673–2680

Ultrathin nanoporous metal electrodes facilitate high proton conduction for low-Pt PEMFCs

Shuai Shi, Xianglong Wen, Qinqin Sang, Shuai Yin, Kaili Wang, Jian Zhang, Min Hu, Huiming Yin, Jia He^*, and Yi Ding^*

Tianjin University of Technology, China

Supreme proton conductivity significantly boosts the proton exchange membrane fuel cell (PEMFC) performance of ultrathin nanoporous metal electrodes without ionomers.

2681–2688

Microneedle-array patch with pH-sensitive formulation for glucose-responsive insulin delivery

Feng-Qin Luo1, Guojun Chen², Wei Xu³, Daojia Zhou², Jia-Xian Li1, Yong-Cong Huang1, Run Lin^3,*, Zhen Gu^2,5,*, and Jin-Zhi Du^1,2,4,*

¹South China University of Technology, China

²University of California, Los Angeles, USA

³The First Affiliated Hospital of Sun Yat-Sen University, China

⁴Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), China

⁵Zhejiang University, China

Microneedle-array patch with ultra pH-sensitive formulations was designed for self-regulated insulin delivery.

2689–2696

Joule-heated carbonized melamine sponge for high-speed absorption of viscous oil spills

Lu-An Shi, Jin Ge, Bi-Cheng Hu, Tao Ma, Haoyu Zhao, Yong-Hong Song, Chao Li, and Shu-Hong Yu^*

University of Science and Technology of China, China

A one-step pyrolysis process was introduced for higher heat-resistant sorbents and zero wastewater generating. The carbonized melamine-formaldehyde sponges (CMSs) improved heat tolerance (the maximum surface temperature = 400 °C) in air and ensued 14% increase of the oil sorption speed. Ultimately, 1 kg of CMSs could achieve continuously absorption speed of 690 kg•h^–1 for viscous crude oil.

2697–2702

Controlling phase transition in WSe₂ towards ideal n-type transistor

Yue Zheng^1,2, Du Xiang^2,*, Jialin Zhang², Rui Guo², Wenhui Wang³, Tao Liu², Leyi Loh², Yanan Wang², Jing Gao², Cheng Han¹, Michel Bosman², Zhenhua Ni³, and Wei Chen^2,4,5,*

¹Shenzhen University, China

²National University of Singapore, Singapore

³Southeast University, China

⁴International Campus of Tianjin University, China

⁵National University of Singapore (Suzhou) Research Institute, China

A semiconducting-metallic phase transition in WSe₂ is realized via in situ cesium functionalization. Through spatially controlling cesium doping region, an Ohmic hetero-phase homojunction WSe₂ transistor with high current on/off ratio ~ 109 and low subthreshold swing ~ 61 mV/dec is realized. Moreover, homogeneous WSe₂ inverter with recorded high gain ~ 270 is achieved.

2703–2710

Achieving ultrahigh electrocatalytic NH₃ yield rate on Fe-doped Bi₂WO₆ electrocatalyst

Yongqin Liu^1,2, Liang Huang², Youxing Fang², Xinyang Zhu², and Shaojun Dong^1,2,*

¹ Jilin University, China

²Changchun Institute of Applied Chemistry, Chinese Academy of Science, China

The tuned _0.50Fe-Bi₂WO₆catalyst achieved an ultrahigh NH₃ yield rate of 289 μg•h⁻¹•mg_cat⁻¹ at −0.75 V vs. RHE. The key of the outstanding nitrogen reduction reaction (NRR) behaviors is effectively suppressed hydrogen evolution reaction (HER) and the synergy between Bi and Fe, which can significantly regulate the electron distribution and improve the electron transport.

2711–2716

Defect-rich titanium nitride nanoparticle with high microwave-acoustic conversion efficiency for thermoacoustic imaging-guided deep tumor therapy

Zhujun Wu, Fanchu Zeng, Le Zhang, Shuxiang Zhao, Linghua Wu, Huan Qin^*, and Da Xing^*

South China Normal University, China

Defect-rich TiN NPs efficiently convert the microwave energy into shockwave via thermocavitation effect, achieving localized mechanical damage of mitochondria in the tumor cell and yielding a precise antitumor effect.

2717–2727

Highly efficient and stable solid-state fiber dye-sensitized solar cells with Ag-decorated SiO₂nanoparticles

Jae Ho Kim¹, Seok-Ju Yoo¹, Daseul Lee¹, Jin Woo Choi¹, Sang-Cheol Han², Tae In Ryu³, Hyung Woo Lee^4,*, Myunghun Shin^5,*, and Myungkwan Song^1,*

¹Korea Institute of Materials Science (KIMS), Republic of Korea

² CEN Nano. Co. Ltd., Republic of Korea

³National Institute of Chemical Safety (NICS), Republic of Korea

⁴Pusan National University, Republic of Korea

⁵Korea Aerospace University, Republic of Korea

The power conversion efficiency (PCE) of solid-state fiber-shaped dye-sensitized solar cells with silver-embedded SiO₂ nanoparticles reaches 5.38%, which is comparable to the reference (3.98%). And the PCEs remain at 95% between –16.9 to 91.7 °C, indicating the operational stability of solid-state fiber-shaped dye-sensitized solar cells (SS-FDSSCs) within this temperature range.

2728–2734

Schiff-base silver nanocomplexes formation on natural biopolymer coated mesoporous silica contributed to the improved curative effect on infectious microbes

Ling Cai¹, Yanqiang Huang^1,2, Yuanyuan Duan¹, Qiao Liu¹, Qilan Xu¹, Jia Jia¹, Jianming Wang¹, Qian Tong¹, Peipei Luo¹, Yujie Wen³, Luming Peng³, Qian Wu¹, Xudong Hang¹, Huijun Jiang¹, Ping Zhu¹, Yanmei Yang¹, Boshen Zhou¹, Liping Zeng¹, Hongkai Bi^1,*, and Jin Chen^1,*

¹ Nanjing Medical University, China

² Youjiang Medical University for Nationalities, China

³Nanjing University, China

The constructed Schiff-base silver complex based on surface aldehyde-modified mesoporous silica possessed potent and long-lasting antimicrobial activities both in vitro and in vivo.

2735–2748

Non-invasive delivery of levodopa-loaded nanoparticles to the brain via lymphatic vasculature to enhance treatment of Parkinson’s disease

Tianqi Nie¹, Zhiyu He^2,*, Jinchang Zhu³, Kuntao Chen³, Gregory P. Howard^3,4, Jesus Pacheco-Torres⁴, Il Minn^3,4, Pengfei Zhao¹, Zaver M. Bhujwalla⁴, Hai-Quan Mao^3,4,*, Lixin Liu¹, and Yongming Chen^1,*

¹Sun Yat-sen University, China

²Ocean University of China, China

³Johns Hopkins University, USA

⁴ Johns Hopkins School of Medicine, USA

Non-invasive method was used to deliver L-DOPA-loaded sub-50 nm nanoparticles to the brain via brain–lymphatic vasculature to bypass the blood–brain barrier. This hydrogen bond-based delivery system between L-DOPA and TA/PVA was prepared via flash nanocomplexation (FNC) method in a one-step, aqueous phase, continuous, and scalable manner. Pharmacodynamics analysis on reserpine-induced Parkinson’s disease (PD) rat model demonstrated the levels of dopamine and tyrosine hydroxylase, which indicate the dopaminergic neuron functions, were increased by 2-and 4-fold respectively, compared to the model groups. Movement disorders and cerebral oxidative stress of the rats were significantly improved without acute toxicity to the major organs, indicating this effective delivery of biocompatible uniform TA/PVA/L-DOPA nanoparticles via brain–lymphatic vasculature holds high clinical translation potential for the treatment of the PD.

2749–2761

Electrochemical top-down synthesis of C-supported Pt nano-particles with controllable shape and size: Mechanistic insights and application

Batyr Garlyyev^1,*, Sebastian Watzele¹, Johannes Fichtner¹, Jan Michalička², Alexander Schökel³, Anatoliy Senyshyn¹, Andrea Perego⁴, Dingjie Pan⁴, Hany A. El-Sayed¹, Jan M. Macak², Plamen Atanassov⁴, Iryna V. Zenyuk^4,*, and Aliaksandr S. Bandarenka^1,*

¹Technical University of Munich, Germany

²Brno University of Technology, Czech Republic

³Deutsches Elektronen Synchrotron (DESY), Germany

⁴University of California, Irvine, USA

Herein, we demonstrate an electrochemical top-down approach for synthesis of metal nanoparticles. The size and shape of the formed nanoparticles can be governed by tailoring applied potential and solution components.

2762–2769

Room temperature preparation of highly stable cesium lead halide perovskite nanocrystals by ligand modification for white light-emitting diodes

Yu Zhang, Guishun Li, Changkun She, Shaohua Liu, Fangyu Yue, Chengbin Jing^*, Ya Cheng, and Junhao Chu

East China Normal University, China

By replacing oleic acid (OA) with double-terminal ligand 4,4'-Azobis(4-cyanovalericacid) (CA) of strong affinity, the room temperature synthesis CsPbBr₃ nanocrystals present transparent green solution, indicating high photoluminescence quantum yield (PLQY) and enhanced stability.

2770–2775

A novel aluminum-carbon nanotubes nanocomposite with doubled strength and preserved electrical conductivity

Shuai Zhang¹, Gaoqiang Chen¹, Timing Qu¹, Jinquan Wei¹, Yufan Yan¹, Qu Liu¹, Mengran Zhou¹, Gong Zhang¹, Zhaoxia Zhou2, Huan Gao³, Dawei Yao³, Yuanwang Zhang³, Qingyu Shi^1,*, and Hua Zhang⁴

¹Tsinghua University, China

² Loughborough University, UK

³Shanghai Electric Cable Research Institute Co., Ltd., China

⁴Beijing Institute of Petrochemical Technology, China

The traditional trade-off between mechanical strength and electrical conductivity of pure Al is overcome by ensuring clean and tightly bonded CNTs/Al interface during the nanocomposite preparation via friction stir processing.

2776–2782

Full-scale chemical and field-effect passivation: 21.52% efficiency of stable MAPbI₃solar cells via benzenamine modification

Fengyou Wang¹, Meifang Yang¹, Yuhong Zhang¹, Jinyue Du1, Shuo Yang², Lili Yang^1,*, Lin Fan¹, Yingrui Sui¹, Yunfei Sun1, and Jinghai Yang^1,*

¹Jilin Normal University, China

²Changchun University, China

Full-scale chemical and field-effect passivation have been realized by benzenamine modification for perovskite solar cells to boost its photovoltaic performance and long-term stability.

2783–2789

Simultaneous diffusion of cation and anion to access N, S co-coordinated Bi-sites for enhanced CO₂ electroreduction

Zhiyuan Wang¹, Chun Wang², Yidong Hu¹, Shuai Yang⁴, Jia Yang^1,⁶, Wenxing Chen⁵, Huang Zhou¹, Fangyao Zhou¹, Lingxiao Wang¹, Junyi Du¹, Yafei Li^2,*, and Yuen Wu^1,3,*

¹ University of Science and Technology of China, China

² Nanjing Normal University, China

³ Dalian National Laboratory for Clean Energy, China

⁴ Shanghai Institute of Applied Physics, Chinese Academy of Sciences, China

⁵Beijing Institute of Technology, China

⁶ Anhui University, China

The replacement of one coordinated-N with low electronegative S in Bi-N₄C center can greatly promote the catalytic activity and Faradaic efficiency of electrochemical CO₂ reduction to CO.

2790–2796

Angle-tunable intersubband photoabsorption and enhanced photobleaching in twisted bilayer graphene

Eva A. A. Pogna¹, Xianchong Miao², Driele von Dreifus³, Thonimar V. Alencar⁴, Marcus V. O. Moutinho⁵, Pedro Venezuela⁶, Cristian Manzoni⁷, Minbiao Ji^2,*, Giulio Cerullo^7,*, and Ana Maria de Paula^3,*

¹ Laboratory NEST, Italy

²Fudan University, China

³Universidade Federal de Minas Gerais, Brazil

⁴ Universidade Federal de Ouro Preto, Brazil

⁵Universidade Federal do Rio de Janeiro, Brazil

⁶Universidade Federal Fluminense, Brazil

⁷ Politecnico di Milano, Italy

High-sensitivity femtosecond microscopy with broad spectral coverage reveals photoinduced intersubband absorption and enhanced photobleaching bands in twisted bilayer graphene endowed with tens of picosecond long relaxation time and twist angle-tunable peak energies.

2797–2804

Visualizing light-induced dynamic structural transformations of Au clusters-based photocatalyst via in situ TEM

Bo Weng^1,2, Youhong Jiang¹, Hong-Gang Liao^1,*, Maarten B. J. Roeffaers², Feili Lai², Haowei Huang^2,*, and Zichao Tang^1,*

¹ Xiamen University, China

²KU Leuven, Belgium

Through in situ high-resolution transmission electron microscopy (TEM), the coexistence of two fusion mechanisms of Au clusters on TiO₂ under ultraviolet–visible (UV–Vis) light irradiation in air is identified, i.e., the migration and coalescence (MC) and Ostwald ripening (OR). Additionally, the Au clusters have higher stability in an inert N₂ atmosphere or vacuum than the oxidizing atmospheres (i.e., air and O₂).

2805–2809

Reliable sensors based on graphene textile with negative resistance variation in three dimensions

Wenpeng Han^1,*, Yijun Wu¹, He Gong¹, Linxin Liu¹, Junxiang Yan^1,3, Mengfei Li¹, Yunze Long^1,*, and Guozhen Shen^2,*

¹ Qingdao University, China

² Institute of Semiconductors, Chinese Academy of Sciences, China

³ Institute of Physics, Chinese Academy of Sciences, China

The weft-knitted reduced graphene oxide (r-GO) textile that is made up of many conductive r-GO coated fibers was successfully prepared dependent on the electrospray deposition technique. Based on the negative resistance variation characteristic in three dimensions, the r-GO textile transverse-strain and pressure sensors all show the excellent sensing characteristics.

2810–2818

Self-templated formation of cobalt-embedded hollow N-doped carbon spheres for efficient oxygen reduction

Ayaz Mahsud¹, Jianian Chen¹, Xiaolei Yuan², Fenglei Lyu^1,*, Qixuan Zhong¹, Jinxing Chen^1,3, Yadong Yin³, and Qiao Zhang¹^,*

¹Soochow University, China

²Nantong University, China

³University of California, Riverside, USA

Cobalt-embedded hollow nitrogen-doped carbon spheres with enhanced oxygen reduction reaction (ORR) activity and stability are fabricated via a metal-organic-framework-engaged self-templated strategy. The enhanced ORR performance can be attributed to the hollow structure which provided enlarged electrochemically active surface area, more active Co-N species and defects.

^2819–2825

Semiconducting M₂X (M = Cu, Ag, Au; X = S, Se, Te) monolayers: A broad range of band gaps and high carrier mobilities

Lei Gao^1,2, Yan-Fang Zhang¹, and Shixuan Du^1,3,*

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

² Kunming University of Science and Technology, China

³CAS Key Laboratory of Vacuum Physics, China

Two-dimensional group-11-chalcogenides (M₂X, M = Cu, Ag, Au; X = S, Se, Te) adopt variable configurations due to their natural non-layer bulk phases. A group of M₂X monolayers were proposed, possessing a broad range of band gaps ranging from 0.49 to 3.76 eV and high room-temperature carrier mobilities.

2826–2830

Cu₂Sb decorated Cu nanowire arrays for selective electrocatalytic CO₂ to CO conversion

Shiyong Mou¹, Yonghao Li², Luchao Yue³, Jie Liang³, Yonglan Luo², Qian Liu³, Tingshuai Li³, Siyu Lu⁴, Abdullah M. Asiri⁵, Xiaoli Xiong^1,*, Dongwei Ma^6,*, and Xuping Sun^3,*

¹ Sichuan Normal University, China

²China West Normal University, China

³ University of Electronic Science and Technology of China, China

⁴Zhengzhou University, China

⁵King Abdulaziz University, Saudi Arabia

⁶Henan University, China

Cu₂Sb decorated Cu nanowire arrays on Cu foil were employed as a high-performance catalyst for electrochemical CO₂ to CO conversion. In CO₂-saturated 0.1 M KHCO₃solution, it achieves a high Faraday efficiency (FE) of 86.5% for CO, at –0.90 V vs. reversible hydrogen electrode (RHE), and the H₂/CO ratio is tunable from 0.08:1 to 5.9:1 by adjusting the potential.

2831–2836

Ultrathin MXene-aramid nanofiber electromagnetic inter-ference shielding films with tactile sensing ability withstanding harsh temperatures

Dawei Hu¹, Siqi Wang¹, Cheng Zhang², Pengshu Yi³, Pingkai Jiang¹, and Xingyi Huang^1,*

¹Shanghai Jiao Tong University, China

² Wuhan University of Technology, China

³ Nanjing University of Aeronautics and Astronautics, China

An ultrathin and flexible Ti₃C₂T_x MXene-aramid nanofiber film was fabricated, which displayed strong electromagnetic interference (EMI) shielding ability even after heating/cooling treatments within a wide temperature range of −196 – 300 °C. Also, the film is capable of detecting tactile signals via the triboelectric effect.

2837–2845

Converting Co²⁺-impregnated g-C₃N₄ into N-doped CNTs-confined Co nanoparticles for efficient hydrogenation rearrangement reactions of furanic aldehydes

Dongdong Wang^1,2, Mohammad Al-Mamun³, Wanbing Gong^1,*, Yang Lv^1,2, Chun Chen¹, Yue Lin², Guozhong Wang¹, Haimin Zhang¹, and Huijun Zhao^1,3,*

¹Institute of Solid State Physics, Chinese Academy of Sciences, China

²University of Science and Technology of China, China

³Griffith University, Australia

A Co-catalysed g-C₃N₄ decomposition/carbonisation approach is developed to directly fabricate N-CNTs networks with confined Co NPs from the pristine g-C₃N₄ with impregnated Co²⁺ as efficient hydrogenation rearrangement catalyst to convert furanic aldehydes to the corresponding cyclopentanones.

2846–2852

Nanocluster PtNiP supported on graphene as an efficient electrocatalyst for methanol oxidation reaction

Long Yang^1,2, Guoqiang Li², Rongpeng Ma², Shuai Hou², Jinfa Chang², Mingbo Ruan², Wenbin Cai³, Zhao Jin^2,*, Weilin Xu², Guiling Wang^1,*, Junjie Ge², Changpeng Liu², and Wei Xing^2,*

¹Harbin Engineering University, China

²Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China

³Fudan University, China

Ultrafine PtNiP nanocluster was uniformly anchored on the P doped graphene. Synergistic effect of the doping P in graphene and PtNiP alloying boosts methanol oxidation reaction (MOR) performance of PtNiP/P-graphene.

2853–2860

The achievement of red upconversion lasing for highly stable perovskite nanocrystal glasses with the assistance of anion modulation

Mengfeifei Jin¹, Wei Gao³, Xiaojuan Liang¹, Ying Fang¹, Siufung Yu^3,4, Ting Wang^2,3,*, and Weidong Xiang^1,*

¹ Wenzhou University, China

² Chengdu University of Technology, China

³ The Hong Kong Polytechnic University, China

⁴The Hong Kong Polytechnic University Shenzhen Research Institute, China

In this work, a series of stable red emitting CsPbX₃ (X = Br, I) nanocrystals (NCs) glasses were prepared by embedding the all-inorganic perovskite NCs in the glass matrixes through melting quenching. In particular, the random lasing under two-photon excitation is obtained by utilizing the property that the highly disordered state inside the glass can realize multiple scattering.

2861–2866

Controlled growth of transition metal dichalcogenide via thermogravimetric prediction of precursors vapor con-centration

Long Fang¹, Shaohua Tao¹, Zhenzhen Tian¹, Kunwu Liu¹, Xi Li², Jiang Zhou¹, Han Huang¹, Jun He¹, and Xiaoming Yuan^1,*

¹ Central South University, China

²Changsha University of Science and Technology, China

Thermogravimetric (TG/DTG) technology is used to predict precursor concentration to selectively synthesize transition metal dichalcogenides (TMDs).

2867–2874

Wearable CNT/Ti₃C₂T_x MXene/PDMS composite strain sensor with enhanced stability for real-time human healthcare monitoring

Xiaowen Xu¹, Yucheng Chen¹, Pei He^1,*, Song Wang¹, Kai Ling¹, Longhui Liu¹, Pengfei Lei¹, Xianjun Huang², Hu Zhao³, Jianyun Cao³, and Junliang Yang^1,*

¹Central South University, China

² National University of Defense Technology, China

³University of Manchester, UK

An ultra-stable and washable strain sensor based on carbon nanotube (CNT) and Ti₃C₂T_x MXene exhibits a resistance sensitive to strain, reliable responses to different frequencies, long-term cycling durability over 1,000 cycles, anti-interference of temperature and washability. The strain sensor can simultaneously monitor the electrocardiogram (ECG) signal and joint movement while riding a sports bicycle, enabling the great potential in real-time human healthcare monitoring.

2875–2883

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