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Compact self-standing layered film assembled by V2O5·nH2O/CNTs 2D/1D composites for high volumetric capacitance flexible supercapacitors

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Science China Materials 2019年第7期62卷 936-946页

作者： Kai Guo Yiju Li Chong Li Neng Yu Huiqiao Li Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices School of Chemistry Biology and Materials Science East China University of Technology Nanchang 330013 China Department of Materials Science and Engineering College of Engineering Peking University Beijing 100871 China Wuhan National Laboratory for Optoelectronics School of Optics and Electronic Information Huazhong University of Science and Technology Wuhan 430074 China State Key Laboratory of Material Processing and Die & Mould Technology School of Materials Science and Engineering Huazhong University of Science and Technology Wuhan 430074 China

Flexible supercapacitors (SCs) are attractive energy storage devices for wearable electronics, but their applications are hindered by their low volumetric energy densities. Two dimensional (2D) non-carbon nanomaterials are the most promising pseudocapacitive materials for high volumetric capacitance electrodes. However, they are poorly conductive and prone to self-stacking, which results in unsatisfactory electrochemical performance. In this work, large-scale V2O5·nH2O ultrathin nanosheets are synthesized by a facile and scalable method and transformed into layered and compact composite films with one-dimensional carbon nanotubes (CNTs). The self-standing films show an optimized volumetric capacitance of 521.0Fcm^-3 with only 10 wt% of CNTs, which is attributed to dramatically enhanced electrical conductivity beyond the electrical percolation threshold, high dispersion of pseudocapacitive V2O5·nH2O nanosheets, and high mass density of the films. All-solid-state flexible SCs made of V2O5·nH2O/CNTs films show a maximum energy density of 17.4WhL^-1.

关键词： flexible supercapacitors volum etric capacitance two - dimensional nanosheets vanadium pentoxide layered structure

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Electronic Textile with Passive Thermal Management for Outdoor Health Monitoring

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Advanced Fiber Materials 2024年第4期6卷 1241-1252页

作者： He Yu Shiliang Zhang Yunlu Lian Mingxiang Liu Mingyuan Wang Jiamin Jiang Chong Yang Shengwang Jia Maoyi Wu Yulong Liao Jun Gou Yadong Jiang Jun Wang Guangming Tao State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of ChinaChengdu 610054China Wuhan National Laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074China Key Laboratory of Vascular Aging Ministry of EducationTongji Hospital Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China School of Physical Education Huazhong University of Science and TechnologyWuhan 430074China

Soft and wearable electronics for monitoring health in hot outdoor environments are highly desirable due to their effective-ness in safeguarding individuals against escalating heat-related illnesses associated with global climate ***,traditional wearable devices have limitations when exposed to outdoor solar radiation,including reduced electrical perfor-mance,shortened lifespan,and the risk of skin *** this work,we introduce a novel approach known as the cooling E-textile(CET),which ensures reliable and accurate tracking of uninterrupted physiological signals in intense external conditions while maintaining the device at a consistently cool *** a co-designed architecture comprising a spectrally selective passive cooling structure and intricate hierarchical sensing construction,the monolithic integrated CET demonstrates superior sensitivity(6.67×10^(3)kPa^(-1)),remarkable stability,and excellent wearable properties,such as flexibility,lightweightness,and thermal comfort,while achieving maximum temperature reduction of 21°*** contrast to the limitations faced by existing devices that offer low signal quality during overheating,CET presents accurately stable performance output even in rugged external *** work presents an innovative method for effective thermal management in next-generation textile electronics tailored for outdoor applications.

关键词： Electronic textile Thermal comfort Effective thermal management

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一种具有栅压调控各向异性电导的新型四元半导体纳米带（英文）

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Science Bulletin 2024年第20期 3228-3236页

作者：蒋绍龙侯福臣曾圣锋张玉波赵尔鼎孙翊淋赵丽云张诚贾梦源戴俊峰黄明远张青邹小龙张艳锋林君浩 Department of Physics Southern University of Science and Technology Quantum Science Center of Guangdong-Hong Kong-Macao Greater Bay Area (Guangdong) Shenzhen Geim Graphene Center Institue of Materials ResearchTsinghua Shenzhen International Graduate SchoolTsinghua University Minjiang Collaborative Center for Theoretical Physics College of Physics and Electronic Information EngineeringMinjiang University School of Integrated Circuits and electronics Beijing Institute of Technology School of Materials Science and Engineering Peking University Shenzhen Institute for Quantum Science and Engineering Southern University of Science and Technology

Two-dimensional noble transition metal chalcogenide （NTMC） semiconductors represent compelling building blocks for fabricating flexible electronic and optoelectronic *** binary and ternary compounds have been reported,the existence of quaternary NTMCs with a greater elemental degree of freedom remains largely *** study presents the pioneering experimental realization of a novel semiconducting quaternary NTMC material,AuPdNaS2,synthesized directly on Au foils through chemical vapor *** ribbon-shaped morphology of the AuPdNaS2crystal can be finely tuned to a thickness as low as 9.2 *** transmission electron microscopy reveals the atomic arrangement,showcasing robust anisotropic features;thus,AuPdNaS2exhibits distinct anisotropic phonon vibrations and electrical *** field-effect transistor constructed from AuPdNaS2crystal demonstrates a pronounced anisotropic conductance (σmax/σmin=3.20) under gate voltage *** investigation significantly expands the repertoire of NTMC materials and underscores the potential applications of AuPdNaSin nano-electronic devices.

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Small P values may not yield robust findings:an example using REST-meta-PD

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Science Bulletin 2021年第21期66卷 2148-2152,M0003页

作者： Xi-Ze Jia Na Zhao Hao-Ming Dong Jia-Wei Sun Marek Barton Roxana Burciu Nicolas Carrière Antonio Cerasa Bo-Yu Chen Jun Chen Stephen Coombes Luc Defebvre Christine Delmaire Kathy Dujardin Fabrizio Esposito Guo-Guang Fan Federica Di Nardo Yi-Xuan Feng Brett W.Fling Saurabh Garg Moran Gilat Martin Gorges Shu-Leong Ho Fay BHorak Xiao Hu Xiao-Fei Hu Biao Huang Pei-Yu Huang Ze-Juan Jia Christina Jones Jan Kassubek Lenka Krajcovicova Ajay Kurani Jing Li Qing Li Ai-Ping Liu Bo Liu Hu Liu Wei-Guo Liu Renaud Lopes Yu-Ting Lou Wei Luo Tara Madhyastha Ni-Ni Mao Grainne McAlonan Martin J.McKeown Shirley Pang Andrea Quattrone Irena Rektorova Alessia Sarica Hui-Fang Shang James M.Shine Priyank Shukla Tomas Slavicek Xiao-Peng Song Gioacchino Tedeschi Alessandro Tessitore David Vaillancourt Jian Wang Jue Wang Z.Jane Wang Lu-Qing Wei Xia Wu Xiao-Jun Xu Lei Yan Jing Yang Wan-Qun Yang Nai-Lin Yao De-Long Zhang Jiu-Quan Zhang Min-Ming Zhang Yan-Ling Zhang Cai-Hong Zhou Chao-Gan Yan Xi-Nian Zuo Mark Hallett Tao Wu Yu-Feng Zang Center for Cognition and Brain Disorders the Affiliated HospitalHangzhou Normal UniversityHangzhou 310015China Zhejiang Key Laboratory for Research in Assessment of Cognitive Impairments Hangzhou 311121China National Basic Science Data Center Beijing 100190China State Key Laboratory of Cognitive Neuroscience and Learning&McGovern Institute for Brain Research Beijing Normal UniversityBeijing 100875China School of Information and electronics Technology Jiamusi UniversityJiamusi 154007China Neuroscience Program Central European Institute of TechnologyCEITECMasaryk UniversityBrno 62500Czech Republic Department of Applied Physiology and Kinesiology University of FloridaGainesville FL 32611USA Univ.Lille InsermCHU LilleU1172-LilNCog-Lille Neuroscience&CognitionLille F-59000France The Institute for Biomedical Research and Innovation National Research CouncilMangone CS 87050Italy Department of Radiology The First Affiliated Hospital of China Medical UniversityShenyang 110001China Department of Radiology Guangdong Provincial Hospital of Chinese MedicineGuangzhou 510120China Department of Medicine Surgery and DentistryScuola Medica SalernitanaUniversity of SalernoFiscianoSA 132-84084Italy Department of Advanced Medical and Surgery Sciences University of Campania“Luigi Vanvitelli”Caserta 81100Italy Eye Center of the 2nd Affiliated Hospital Medical College of Zhejiang UniversityHangzhou 310020China Zhejiang Provincial Key Lab of Ophthalmology Hangzhou 310020China Department of Health and Exercise Science Colorado State UniversityFort Collins CO 80523USA Pacific Parkinson’s Research Centre University of British ColumbiaVancouver BC V6E 2M6Canada Department of Medicine(Neurology)University of British Columbia Vancouver BC V6T 1B7Canada Brain and Mind Center The University of SydneySydney NSW 2006Australia Department of Neurology Ulm UniversityUlm 89081Germany Division of Neurology Department of MedicineQueen Mary HospitalUniversity of Hong KongHong Kong 999077China Department of

Thousands of resting state functional magnetic resonance imaging(RS-f MRI)articles have been published on brain *** precise localization of abnormal brain activity,a voxel-level comparison is *** of the large number of voxels in the brain,multiple comparison correction(MCC)must be performed to reduce false positive rates,and a smaller P value(usually including either liberal or stringent MCC)is widely recommended[1].

关键词：帕金森病 precise correction

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An ultra thin,bright,and sensitive interactive tactile display based on organic mechanoluminescence for dual-mode handwriting identification

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InfoMat 2024年第6期6卷 76-87页

作者： Tingting Hou Wenlang Li Haoyu Wang Yuantian Zheng Chaojie Chen Haoran Zhang Kai Chen Huilin Xie Xin Li Shaoshuai He Siwei Zhang Dengfeng Peng Cheng Yang Jacky W.Y.Lam Ben Zhong Tang Yunlong Zi Department of Mechanical and Automation Engineering The Chinese University of Hong KongHong Kongthe People's Republic of China Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction and Institute for Advanced StudyThe Hong Kong University of Science and TechnologyHong Kongthe People's Republic of China Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhenthe People's Republic of China Thrust of Sustainable Energy and Environment The Hong Kong University of Science and Technology(Guangzhou)Guangzhouthe People's Republic of China The Hong Kong University of Science and Technology Interdisciplinary Program Office Hong Kong SARthe People's Republic of China Institute of Materials Research Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhenthe People's Republic of China School of Science and Engineering Shenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong KongShenzhenthe People's Republic of China HKUST Shenzhen-Hong Kong Collaborative Innovation Research Institute Shenzhenthe People's Republic of China Guangzhou HKUST Fok Ying Tung Research Institute Guangzhouthe People's Republic of China

Visible light-based human–machine interactive media is capable of transmitting electrical readouts to machines and providing intuitive feedback to users ***,many inorganic mechanoluminescent(ML)materials-based interactive media,typically ZnS-loaded phosphors(ZLPs),have been successfully ***,organic ML materials-based solutions were rarely exploited despite their huge merits of strong structural modification,abundant luminescence property,low cost,easy preparation,and so ***,we propose a novel interactive tactile display(ITD)based on organic ML materials(Cz-A6-dye)and triboelectric nanogenerator,with ultra-brightness(130%enhancement)and ultra-low threshold pressure(57%reduction)as compared to *** proposed ITD achieves the conversion of weak mechanical stimuli into visible light and electrical signals simultaneously,without extra power ***,the relationship between the luminous performance of organic ML materials and mechanical force is quantified,benefiting from the uniform ML layer *** by convolutional neural networks,the high-accuracy recognition(97.1%)for handwriting and identity of users is realized at the same ***,the ITD has great potential for intelligent wearable electronics and classified military applications.

关键词： interactive media organic mechanoluminescence triboelectric nanogenerators

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Modulating contact properties by molecular layers in organic thin-film transistors

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Electron 2023年第2期1卷 82-89页

作者： Li Sun Yating Li Jiacheng Xie Liqi Zhou Peng Wang Jian-Bin Xu Yi Shi Xinran Wang Daowei He National Laboratory of Solid State Microstructures Key Lab of Optoelectronic Devices and Systems with Extreme PerformancesSchool of Electronic Science and Engineeringand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjingChina National Laboratory of Solid State Microstructures Jiangsu Key Laboratory of Artificial Functional MaterialsCollege of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjingChina Department of Physics University of WarwickCoventryUK Department of Electronic Engineering and Materials Science and Technology Research Center The Chinese University of Hong KongHong Kong SARChina School of Integrated Circuits Nanjing UniversitySuzhouChina

Advanced organic devices and circuits demand both ultrahigh charge carrier mobilities and ultralow-resistance ***,due to a larger access resistance in staggered organic thin-film transistors(OTFTs),the achievement of ultralow contact resistance(Rc)is still a *** modulation of contact resistance by molecular layers near the interface has been rarely ***,we demonstrate that fewlayer organic single crystals are grown on hafnium oxide(HfO_(2))by solution-shearing *** utilize these organic crystals to fabricate bottom-gate staggered OTFTs with different contact *** results show that the contact properties of OTFTs are obviously modulated by crystal *** tri-layer(3L)evaporated-Au C10-DNTT OTFTs exhibit optimal electrical performance,including ultralow Rc of 5.6Ω⋅cm,recorded transfer length of 0.4μm,field-effect mobility over 14 cm^(2)V^(−1)s^(−1),threshold voltage lower than 0.3 V,and long-term air stability over 8 *** main cause is that the metal atoms can penetrate into the charge transport layer,with damage-free,in 3L evaporated-Au OTFTs;nevertheless,it cannot be realized in other *** to layer stacking of conjugated molecules and polymers,our strategy can efficiently modulate the contact resistance to aid the development of highperformance organic devices and circuits.

关键词： contact resistance mobility organic thin-film transistor single crystal

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