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High precision patternable liquid metal based conductor and adhesive substrate enabled stretchable hybrid systems

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Nano Research 2024年第6期17卷 5595-5603页

作者： Runhui Zhou Jiaoya Huang Zemin Li Yushu Wang Ziyu Chen caofeng pan CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400China School of Nanoscience and Engineering University of Chinese Academy of SciencesBeijing 100049China Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanning 530004China Institute of Atomic Manufacturing Beihang UniversityBeijing 100191China

Stretchable hybrid systems have been attracting tremendous attention for their essential role in soft robotics,on-skin electronics,and implantable *** rigid and soft functional modules are typically required in those ***,ensuring stable electrical contact between rigid and soft modules is a vital ***,we propose a simple,universal,and scalable strategy for the stretchable hybrid system through a highly precise printable liquid metal particle-based conductor and adhesive fluorine rubber *** properties of liquid metal particle-based conductors could be easily tuned to realize high-precision patterning,large-scale printing,and the ability to print on various ***,the fluorine rubber substrate could form strong interfacial adhesion with various components and materials through simply pressing and heating,hence enabling stable electrical ***,we prepared a stretchable hybrid light-emitting diode(LED)display system and employed it in on-skin visualization of pressure levels,which perfectly combined rigid and soft modules,thus demonstrating the promising potential applications in complex multifunctional stretchable hybrid systems for emerging technologies.

关键词： stretchable hybrid systems liquid metal high precision interfacial adhesion

Mixed 2D-Dion–Jacobson/3D Sn-Pb alloyed perovskites for efficient photovoltaic solar devices

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Nano Research 2023年第2期16卷 3142-3148页

作者： Zhili Lu Chaohui Li Hongwei Lai Xinming Zhou Chunfeng Wang Xianhu Liu Fei Guo caofeng pan National Engineering Research Center for Advanced Polymer Processing Technology Key Laboratory of Advanced Material Processing&Mold(Ministry of Education)Zhengzhou UniversityZhengzhou 450002China Institute of New Energy Technology College of Information Science and TechnologyJinan UniversityGuangzhou 510632China Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesNational Center for Nanoscience and Technology(NCNST)Beijing 100083China Institute of Materials for Electronics and Energy Technology(i-MEET) Friedrich-Alexander University Erlangen-NürnbergMartensstrasse 7Erlangen 91058Germany

Tin-lead(Sn-Pb)alloyed perovskites with tunable bandgaps hold great potential for constructing highly efficient single-junction and tandem photovoltaic ***,the efficiency and stability of Sn-Pb perovskite solar cells(PSCs)are greatly hampered by severe nonradiative recombination due to the easy oxidation of Sn(II).In this work,we report the construction of mixed dimensional two-dimensional(2D)Dion–Jacobson(DJ)and three-dimensional(3D)perovskites to improve the efficiency and stability of Sn-Pb alloyed *** a small amount of 1,4-butanediammonium diiodide as spacer cations of DJ perovskites into precursor,the prepared mixed dimensional Sn-Pb alloyed perovskites exhibit reduced trap-state density due to the passivation of 2D DJ *** a result,nonradiative charge recombination is greatly *** prepared Sn-Pb alloyed PSCs based on 2D-DJ/3D heterojunction deliver a power conversion efficiency of 19.02%with an impressive fill factor of 80%.As well,improved device stability is realized due to the presence of DJ perovskites which serves as a protection barrier against oxidation and water invasion.

关键词： Sn-Pb perovskite narrow bandgap Dion–Jacobson perovskite solar cells two-dimensional(2D)/three-dimensional(3D)

Memristive switching in two-dimensional BiSe crystals

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Nano Research 2023年第2期16卷 3188-3194页

作者： Wenda Ma Junfeng Lu Shuaipeng Ge Li Zhang Fengchang Huang Naiwei Gao Peiguang Yan caofeng pan College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhen 518060China CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 101400China College of Physics Nanjing University of Aeronautics and AstronauticsNanjing 211106China State Key Laboratory of Bioelectronics Southeast UniversityNanjing 210096China

In spite of the explosive rise of research on memristive switching,more improvements in tunability,versatility,and hetero-integration are required through the discovery and application of novel ***,we report resistance switching in nano-thick two-dimensional(2D)crystals of bismuth selenium(BiSe).The BiSe devices exhibit nonvolatile bipolar resistance switching,volatile switching,and electrical bistable behavior in different *** different memristive behavior of BiSe devices may be related to the concentration of Bi ions in this Bi-rich structure,which directly affects the capability of filaments ***,the external mechanical strain is applied in modulation of multi-layer BiSe *** memristive BiSe devices show a large on/off ratio of~10^(4)and retention time of~104 *** discovery of memristive switching behavior in multi-layer BiSe is attributed to the forming of Bi *** resistance switching behavior in multi-layer BiSe demonstrates the potential application in the flexible memories and functional integrated devices.

关键词： bismuth selenium heterostructure resistance switching memristors flexible memories strain engineering

Recent advances in ultrathin materials and their applications in e-skin

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InfoMat 2023年第8期5卷 1-36页

作者： Wenchao Gao Jiaoya Huang Jiang He Runhui Zhou Zemin Li Ziyu Chen Yufei Zhang caofeng pan CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijingthe People's Republic of China Center on Nanoenergy Research School of Physical Science and TechnologyGuangxi UniversityNanningthe People's Republic of China

Intelligent technologies based on artificial intelligence and big data hold great potential for health monitoring and human–machine capability ***,electronics must be connected to the human body to realize this ***,tissue or skin-like electronics with high stretchability and low stiffness mechanical properties are highly *** materials have attracted significant attention from the research community and the industry because of their high performance and *** the past few years,considerable progress has been made in flexible ultrathin sensors and devices based on ultrathin ***,we review the developments in this area and examine representative research progress in ultrathin materials fabrication and device *** for the fabrication of stretchable ultrathin materials and devices are *** relationship between the thin-film structure and performance is emphasized and ***,the current capabilities and limitations of ultrathin devices were explored.

关键词： e-skin flexible electronics ultrathin devices ultrathin materials wearable devices

From Proton Conductive Nanowires to Nanofuel Cells： A Powerful Candidate for Generating Electricity for Self-Powered Nanosystems

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Nano Research 2011年第11期4卷 1099-1109页

作者： caofeng pan Jun Luo Jing Zhu Beijing National Center for Electron Microscopy Laboratory of Advanced Materials State Key Laboratory of New Ceramics and FineProcessing Department of Material Science and Engineering Tsinghua University Beijing 100084 China

纳米技术的可能的目标是进 nanosystem 的单个 nanodevices 的集成，它包括 nanodevice，力量收获单位，数据处理逻辑系统，和可能无线的通讯单位。nanosystem 要求 nanoscale 力量来源使全部包裹极其小并且高效。这里开发的 nanofuel ... 详细信息

纳米技术的可能的目标是进 nanosystem 的单个 nanodevices 的集成，它包括 nanodevice，力量收获单位，数据处理逻辑系统，和可能无线的通讯单位。nanosystem 要求 nanoscale 力量来源使全部包裹极其小并且高效。这里开发的 nanofuel 和 nanobiofuel 房间表示在纳米技术的一条新自我驱动的途径，和他们的力量输出足够高为执行自我动力的察觉到驾驶 nanodevices。这研究显示出为生物科学造自我动力的 nanosystems 的可行性，环境监视，防卫技术和甚至个人的电子学。

关键词：纳米系统自供电质子导电细胞候选人纳米线发电纳米器件

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原子制造的物质科学基础

科学通报 2024年第19期69卷 2777-2788页

作者：戴庆宋凤麒潘曹峰刘开辉姚广保郑浩谭元植潘金波杜灵杰黄璞王曾晖陈辉张晨栋费付聪徐红星戴亚飞国家纳米科学中心北京100190 南京大学原子制造研究院南京210093 北京航空航天大学原子制造研究院北京100191 上海交通大学化学化工学院上海200240 上海交通大学物理与天文学院上海200240 厦门大学化学化工学院厦门361005 北京大学物理学院北京100871 电子科技大学基础与前沿研究院成都611731 中国科学院物理研究所北京100190 武汉大学物理科学与技术学院武汉430072 武汉大学微电子学院武汉430072 国家自然科学基金委员会交叉科学部北京100085

近年来,原子制造技术备受关注,已成为各国积极追求的前沿制造技术领域.一代物质科学,一代制造革新,原子制造技术的发展不仅仰赖于深厚的物质科学底蕴,还需要解决高效的原子精准操控与测量、原子尺度结构的物性设计等多个方面的基础科学... 详细信息

近年来,原子制造技术备受关注,已成为各国积极追求的前沿制造技术领域.一代物质科学,一代制造革新,原子制造技术的发展不仅仰赖于深厚的物质科学底蕴,还需要解决高效的原子精准操控与测量、原子尺度结构的物性设计等多个方面的基础科学问题.2023年3月,国家自然科学基金委员会交叉科学部在武汉召开了主题为“原子制造的物质科学基础”的战略研讨会.本文基于会议研讨的相关内容,对原子制造技术的发展背景、概念内涵以及面临的挑战进行了凝练,并提出如何利用该技术推动物质科学的快速发展,同时也就国家自然科学基金委员会对该领域的顶层设计和战略规划提出了政策建议.

关键词：原子制造物质科学原子操控原子级制造单原子器件物质创制

Effect of anneal pre-treatment of polycrystalline aluminum sheets on synthesis of highly-ordered anodic aluminum oxide membranes

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Science China(Technological Sciences) 2008年第11期51卷 1838-1842页

作者： ZHANG Lu ZHANG Xiao pan caofeng ZHU Jing Beijing National Center for Electron Microscopy Lab of Advanced MaterialsDepartment of Materials Science and EngineeringTsinghua UniversityBeijing 100084China

Anodic aluminum oxide (AAO) membranes with large ordered pore domains were successfully prepared by adopting the anneal pre-treatment of polycrystalline alu- minum sheets. A statistical method with Gaussian distribution was introduced to quantitatively study the size of the domain with ordered pores. The largest average area of ordered pore domains was 2.6 μm2±0.11 μm2. The corresponding AAO membrane was synthesized by aluminum sheets annealed at 893 K for 24 h.

关键词： anodic aluminum oxide (AAO) annealing temperature annealing duration Gaussian distribution

Flexible Ag Microparticle/MXene-Based Film for Energy Harvesting

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Nano-Micro Letters 2021年第12期13卷 235-246页

作者： Yunpeng Jia Yamin pan Chunfeng Wang Chuntai Liu Changyu Shen caofeng pan Zhanhu Guo Xianhu Liu College of Materials Science and Engineering Key Laboratory of Advanced Material Processing&Mold(Ministry of Education)National Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou UniversityZhengzhou 450002People’s Republic of China National Center for Nanoscience and Technology(NCNST) Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing 100083People’s Republic of China College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhen 518060People’s Republic of China Integrated Composites Laboratory Department of Chemical&Biomolecular EngineeringUniversity of TennesseeKnoxvilleTN 37996USA

Ultra-thin flexible films have attracted wide attention because of their excellent ductility and potential *** particular,the energy-harvesting films(EHFs)have become a research hotspot because of the indispensability of power source in various ***,the design and fabrication of such films that can capture or transform di erent types of energy from environments for multiple usages remains a ***,the multifunctional flexible EHFs with e ective electro-/photo-thermal abilities are proposed by successive spraying Ag microparticles and MXene suspension between on waterborne polyurethane films,supplemented by a *** optimal coherent film exhibits a high electrical conductivity(1.17×10^(4)S m^(-1)),excellent Joule heating performance(121.3℃)at 2 V,and outstanding photo-thermal performance(66.2℃ within 70 s under 100 mW cm^(-1)).In addition,the EHFs-based single-electrode triboelectric nanogenerators(TENG)give short-circuit transferred charge of 38.9 nC,open circuit voltage of 114.7 V,and short circuit current of 0.82μ*** interestingly,the output voltage of TENG can be further increased via constructing the double triboelectrification *** comprehensive ability for harvesting various energies of the EHFs promises their potential to satisfy the corresponding requirements.

关键词： Energy harvesting MXene Ag microparticle Triboelectric nanogenerator

Piezotronics in two-dimensional materials

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InfoMat 2021年第9期3卷 987-1007页

作者： Qin Zhang Shanling Zuo Ping Chen caofeng pan Center on Nanoenergy Research Guangxi Key Laboratory for Relativistic AstrophysicsSchool of Physical Science and TechnologyGuangxi UniversityNanningChina CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijingChina School of Nanoscience and Technology University of Chinese Academy of SciencesBeijingChina

The fascinating two-dimensional(2D)materials are being potentially applied in various fields from science to engineering benefitting from the charming physical and chemical properties on optics,electronics,and magnetism,compared with the bulk crystal,while piezotronics is a universal and pervasive phenomenon in the materials with broking center symmetry,promoting the new field and notable achievements of piezotronics in 2D materials with higher accuracy and *** example,20 parts per billion of the detecting limitations in NO_(2)sensor,500μm of spatial strain resolution in flexible devices,and 0.363 eV output voltage in *** this review,three categories of 2D piezotronics materials are first introduced ranging from organic to inorganic data,among which six types of 2D inorganic materials are emphasized based on the geometrical arrangement of different ***,the microscopic mechanism of carrier transport and separation in 2D piezotronic materials is highlighted,accompanied with the presentation of four measured ***,the developed applications of 2D piezotronics are discussed comprehensively including different kinds of sensors,piezo-catalysis,nanogenerators and information ***,we suggest the challenges and provide the ideas for qualitative-quantitative research of microscopic mechanism and large-scale integrated applications of 2D piezotronics.

关键词： carrier transport flexible devices piezotronics two-dimensional materials