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A near-zero quiescent power breeze wake-up anemometer based on a rolling-bearing triboelectric nanogenerator

Microsystems & Nanoengineering 2024年第2期10卷 241-249页

作者： Xianpeng Fu Zhichao Jiang Jie Cao Zefang Dong Guoxu Liu Meiling Zhu Chi Zhang CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-nano Energy and SensorBeijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing101400China School of Nanoscience and Engineering University of Chinese Academy of SciencesBeijing100049China Center on Nanoenergy research Guangxi Colleges and Universities Key Laboratory of Blue Energy and Systems IntegrationSchool of Physical Science&TechnologyGuangxi UniversityNanning530004China Institute of Intelligent Flexible Mechatronics Jiangsu UniversityZhenjiang212013China College of Engineering Mathematics and Physical ScienceUniversity of ExeterExeterEX44QFUK

Wind sensors have always played an irreplaceable role in environmental information monitoring and are expected to operate with lower power consumption to extend service ***,we propose a breeze wake-up anemometer(B-WA)based on a rolling-bearing triboelectric nanogenerator(RB-TENG)with extremely low static *** B-WA consists of two RB-TENGs,a self-waking-up module(SWM),a signal processing module(SPM),and a wireless transmission *** two RB-TENGs are employed for system activation and wind-speed *** the ambient wind-speed exceeds 2 m/s,the wake TENG(W-TENG)and the SWM can wake up the system within 0.96 *** the same time,the SPM starts to calculate the signal frequency from the measured TENG(M-TENG)to monitor the wind speed with a sensitivity of 9.45 Hz/(m/s).After the wind stops,the SWM can switch off the B-WA within 0.52 s to decrease the system energy *** quiescent on-duty mode,the operating power of the B-WA is less than 30 nW,which can greatly extend the service lifetime of the *** integrating triboelectric devices and rolling bearings,this work has realized an ultralow quiescent power and self-waked-up wireless wind-speed monitoring system,which has foreseeable applications in remote weather monitoring,iot nodes,and so on.

关键词： generator power service

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A novel contact engineering method for transistors based on two-dimensional materials

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Journal of Materials Science & Technology 2021年第10期69卷 15-19页

作者： Yaochen Sheng LuFang Zhang Feng Li Xinyu Chen Zhijian Xie Haiyan Nan Zihan Xu David Wei Zhan Jianhao Chen Yong Pu Shaoqing Xiao Wenzhong Bao State Key Laboratory of ASIC and System Shanghai Institute of Intelligent Electronics&SystemsSchool of MicroelectronicsFudan UniversityShanghai 200433China Engineering research Center of iot Technology Applications(Ministry of Education) Department of Electronic EngineeringJiangnan UniversityWuxi 214122China International Center for Quantum Materials School of PhysicsPeking UniversityBeijing 100871China New Energy Technology Engineering Laboratory of Jiangsu Province&School of Science Nanjing University of Posts and TelecommunicationsNanjing 210023China Six Carbon Tech ShenzhenShenzhen 518106China

Contact engineering is of critical importance for two-dimensional(2D)transition metal dichalcogenide(TMD)-based ***,there are only a few solutions to overcome this obstacle because of the complexity of the TMD-contact *** this work,we propose a novel method using a soft plasma treatment followed by the seamless deposition of a metal electrode to reduce the contact resistance of MoS_(2)field effect transistors(FETs).The treated FETs exhibit three times higher mobility than the control FETs without plasma *** soft plasma treatment can remove the facial sulfur atoms and expose the middle Mo atoms so that they come into direct contact with the metal electrode,thus greatly improving the contact ***-principles calculation is also performed to support the experimental *** potentially scalable strategy can be extended to the whole family of TMD based FETs to provide a possible route of device processsing technology for 2D device application.

关键词： Electrical contact resistance MoS_(2) Plasma

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A General Framework for Intelligent iot Data Acquisition and Sharing in an Untrusted Environment Based on Blockchain

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China Communications 2024年第3期21卷 137-148页

作者： Lu Yin Xue Yongtao Li Qingyuan Wu Luocheng Li Taosen Yang Peipei Zhu Hongbo College of Internet of Things Nanjing University of Posts and TelecommunicationsNanjing 210003China Key Lab of Broadband Wireless Communication and Sensor Network Technology(Nanjing University of Posts and Telecommunications) Ministry of EducationNanjing 210003China Jiangsu Key Laboratory of Wireless Communications Nanjing University of Posts and TelecommunicationsNanjing 210003China research Institute of Internet of Things Nanjing University of Posts and TelecommunicationsNanjing 210003China Bell Honors School Nanjing University of Posts and TelecommunicationsNanjing 210023China School of Automation Nanjing University of Posts and TelecommunicationsNanjing 210023China

Traditional Io T systems suffer from high equipment management costs and difficulty in trustworthy data sharing caused by *** provides a feasible research direction to solve these problems. The main challenge at this stage is to integrate the blockchain from the resourceconstrained Io T devices and ensure the data of Io T system is credible. We provide a general framework for intelligent Io T data acquisition and sharing in an untrusted environment based on the blockchain, where gateways become Oracles. A distributed Oracle network based on Byzantine Fault Tolerant algorithm is used to provide trusted data for the blockchain to make intelligent Io T data trustworthy. An aggregation contract is deployed to collect data from various Oracle and share the credible data to all on-chain users. We also propose a gateway data aggregation scheme based on the REST API event publishing/subscribing mechanism which uses SQL to achieve flexible data aggregation. The experimental results show that the proposed scheme can alleviate the problem of limited performance of Io T equipment, make data reliable, and meet the diverse data needs on the chain.

关键词： blockchain data sharing Internet of Things Oracle

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Applications and safety of gold nanoparticles as therapeutic devices in clinical trials

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Journal of Pharmaceutical Analysis 2023年第9期13卷 960-967页

作者： Leeann Yao Dejan Bojic Mingyao Liu Latner Thoracic Surgical research laboratories Toronto General Hospital Research InstituteUniversity Health NetworkTorontoONM5G 1L7Canada Institute of Medical Science Temerty Faculty of MedicineUniversity of TorontoTorontoONM5S 1A8Canada Department of Surgery Medicine and PhysiologyTemerty Faculty of MedicineUniversity of TorontoTorontoONM5S 1A8Canada

Use of gold nanoparticles(GNPs)in medicine is an emerging field of translational research with vast clinical implications and exciting therapeutic ***,the safety of using GNPs in human subjects is an important question that remains *** study reviews over 20 clinical trials focused on GNP safety and aims to summarize all the clinical studies,completed and ongoing,to identify whether GNPs are safe to use in humans as a therapeutic *** these studies,GNPs were implemented as drug delivery devices,for photothermal therapy,and utilized for their intrinsic therapeutic effects by various routes of *** studies revealed no major safety concerns with the use of GNPs;however,the number of trials and total patient number remains ***-dose,multicenter blinded trials are required to deepen our understanding of the use of GNPs in clinical settings to facilitate translation of this novel,multifaceted therapeutic *** clinical trials will require collaboration between clinicians,scientists,and biotechnology companies.

关键词： Nanomedicine Clinical studies Gold nanoparticles Safety Applications

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Realizing high thermoelectric performance in n-type Bi_(2)Te_(3)based thin films via post-selenization diffusion

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Journal of Materiomics 2023年第4期9卷 618-625页

作者： Yue-Xing Chen Jun-Ze Zhang Mohammad Nisar Adeel Abbas Fu Li Guang-Xing Liang Ping Fan Zhuang-Hao Zheng Shenzhen Key Laboratory of Advanced Thin Films and Applications Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhen518060China

Thermoelectric thin film has attracted a lot of attention due to its potential in fabricating micropower generator in chip sensors for internet of things(iot).However,the undeveloped performance of n-type thermoelectric thin film limits its widely *** this work,a facile post-selenization diffusion reaction method is employed to introduce Se into Bi_(2)Te_(3)thin films,in order to optimize the carrier transport *** and theoretical calculation results indicate that the carrier concentration decreases and density of states increases after Se doping,leading to the enhancement of Seebeck ***,adjusting the diffusion reaction temperature can maintain the carrier concentration while increasing the mobility simultaneously,resulting in a high power factor of 1.5 mW/(m·K^(2)),which is eight times higher than that of the pristine Bi_(2)Te_(3)thin ***,a thin film device fabricated by the present Se-doped Bi_(2)Te_(3)thin films shows the highest output power of 60.20 nW under the temperature difference of 37 K,indicating its potential for practical use.

关键词： Thermoelectric Thin film Magnetron sputtering Bie-Tee-Se

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Dipole-fiber system： from single photon source to metadevices

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Frontiers of Optoelectronics 2018年第1期11卷 30-36页

作者： Shaghik ATAKARAMIANS Tanya M. MONRO Shahraam AFSHAR V. School of Electrical Engineering and Telecommunications The University of New South Wales Sydney NSW 2052 Australia Institute for Photonics and Advanced Sensing The University of Adelaide Adelaide SA 5005 Australia Laser Physics and Photonic devices laboratories School of Engineering University of South Australia Mawson Lakes SA 5095 Australia

Radiation of an electric dipole（quantum emitter）in vicinity of optical structures still attracts great interest due to emerging of novel application and technological *** we review our recent work on guided and radiation modes of electric dipole and optical fiber system and its applications from single photon source to *** demonstrate that the relative position and orientation of the dipole and the core diameter of the optical fiber are the two key defining factors of the coupled system *** demonstrate that such a coupled system has a vast span of applications in nanophotonics;a single photon source,a high-quality factor sensor and the building block of metadevices.

关键词： dipole source optical fibers single photon source whispering gallery modes electric and magnetic response

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Control strategy and methods for continuous direct compression processes

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Asian Journal of Pharmaceutical Sciences 2021年第2期16卷 253-262页

作者： Yasuhiro Suzuki Hirokazu Sugiyama Manabu Kano Ryutaro Shimono Gosuke Shimada Ryoichi Furukawa Eichi Mano Keiichi Motoyama Tatsuo Koide Yasuhiro Matsui Kazuki Kurasaki Issei Takayama Shunin Hikage Noriko Katori Masahiko Kikuchi Hiroshi Sakai Yoshihiro Matsuda Formulation Technology research laboratories Daiichi Sankyo Co.Ltd.Kanagawa 254-0014Japan Department of Chemical System Engineering The University of TokyoTokyo 113-8656Japan Department of Systems Science Kyoto UniversityKyoto 606-8501Japan CMC Sciences Department Regulatory Affairs DivisionR&D DivisionJanssen Pharmaceutical K.K.Tokyo 101-0065Japan EuroTechno Ltd. Kanagawa 223-0057Japan Pharmaceutical research Department Mitsubishi Tanabe Pharma CorporationOsaka 532-8505Japan Chemical Products CMC Regulatory Affairs Area Japan DevelopmentMSD K.K.Tokyo 102-8667Japan Graduate School of Pharmaceutical Sciences Kumamoto UniversityKumamoto 862-0973Japan Division of Drugs National Institute of Health SciencesKawasaki 210-9501Japan Technology research&Development Sumitomo Dainippon Pharma Co.Ltd.Osaka 564-0053Japan Formulation Development Department Chugai pharmaceutical Co.Ltd.Tokyo 115-8543Japan Office of New Drug IV Pharmaceuticals and Medical Devices AgencyShin-Kasumigaseki Bldg.Tokyo 100-0013Japan Office of Generic Drugs Pharmaceuticals and Medical Devices AgencyShin-Kasumigaseki Bldg.Tokyo 100-0013Japan KOKANDO Co. Ltd.Toyama 930-8580Japan Pharmaceuticals and Medical devices Agency Shin-Kasumigaseki Bldg.Tokyo 100-0013Japan

We presented a control strategy for tablet manufacturing processes based on continuous direct *** work was conducted by the experts of pharmaceutical companies,machine suppliers,academia,and regulatory authority in *** different items in the process,the component ratio and blended powder content were selected as the items requiring the control method specific to continuous manufacturing different from the conventional batch *** control and management of the Loss in Weight(LIW)feeder were deemed the most important,and the Residence Time Distribution(RTD)model were regarded effective for setting the control range and for controlling of the LIW *** on these ideas,the concept of process control using RTD was summarized.

关键词： Continuous manufacturing Solid drug products Process control Residence time distribution Loss in weight feeder Regulatory science

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一个迭式高电容存储器

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电子器件 1980年第S1期 82-86页

作者： KunichiOhta,Kunio.Yamada,Manzoh,HiroyukiShiraki,AkitomoNakamura,KyozoShimizu,YasuoTaruiVLSI,陈德英 Technology research Association Cooperative laboratories Kawasaki Japan Technology research Association Cooperative laboratories Kawasaki Japan Technology research Association Cooperative laboratories Kawasaki Japan Technology research Association Cooperative laboratories Kawasaki Japan Technology research Association Cooperative laboratories Kawasaki Japan Technology research Association Cooperative laboratories Kawasaki Japan Technology research Association Cooperative laboratories Kawasaki Japan

本文讨论一种动态存储器结构,它能组成1M位VLSI的10×10mm2存储器芯片采用常规光刻,其光刻尺寸为2u以下。图1给出了2位单管单容存储器单元的结构。该存储器单元由一个四层自对准（QSA）MOSFET,一个钽氧化物的迭式高存储电容,一条多晶... 详细信息

本文讨论一种动态存储器结构,它能组成1M位VLSI的10×10mm2存储器芯片采用常规光刻,其光刻尺寸为2u以下。图1给出了2位单管单容存储器单元的结构。该存储器单元由一个四层自对准（QSA）MOSFET,一个钽氧化物的迭式高存储电容,一条多晶硅字线和一条Al位线所组成。

关键词： Ta 二工 MOS

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High-performance Ag_(2)BiI_(5)Pb-free perovskite photodetector

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Photonics research 2022年第8期10卷 1886-1891页

作者： ZIHAO SHUANG HAI ZHOU DINGJUN WU XUHUI ZHANG BOAO XIAO JINXIA DUAN HAO WANG International School of Microelectronics Dongguan University of TechnologyDongguan 523808China Hubei Yangtze Memory laboratories Wuhan 430205China School of Microelectronics Hubei UniversityWuhan 430062China

Recently,lead-free all-inorganic halide perovskites have attracted great interest because they not only have the merits of the halide perovskite family,but also are ***,the commercialization of lead-free allinorganic perovskites is restricted by their relatively low performances,which are usually caused by the fabrication methods and undesirable interfaces between the active layer and carrier transport ***,we demonstrate a solution-processed route for high-quality Ag_(2)BiI_(5) lead-free perovskite film by adopting ideal electron transport material SnO_(2)and a carbon *** optimizing the fabrication process and tailoring the composition of the perovskite active layer,a high-performance photodetector(PD)with an FTO∕SnO_(2)∕Ag_(2)BiI_(5)∕carbon structure PD is first fabricated,which shows good self-powered performance with a detectivity of as high as 5.3×10^(12)Jones and a linear dynamic range of up to 138 d B,which are better than those of the reported Pb-free perovskite PDs and comparable to high-performance Pb-based perovskite *** addition,our unpackaged PDs show good light,thermal,and storage stability in *** results provide a special route for the development of lead-free perovskite devices in an environmentally friendly field.

关键词： field. perovskite performance

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A photomemory by selective-assembling hybrid porphyrin-silicon nanowire field-effect transistor

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Science China(Information Sciences) 2020年第6期63卷 253-255页

作者： Gong CHEN Bocheng YU Xiaokang LI Xiaoqiao DONG Xiaoyan XU Zhihong LI Ru HUANG Ming LI Key Laboratory of Microelectronic devices and Circuits(MOE) Institute of MicroelectronicsPeking University National Key Laboratory of Science and Technology on Micro/Nano Fabrication Peking University Faculty of Information Technology Beijing University of Technology

Dear editor,Recently, the integration of photosensitive material and electronic nanodevice has been the center of attention with Internet of things (iot)technology development [1–3]. The immobilization of such photoactive molecules on the semiconductor surface was necessarily adopted to employ their photoelectric characteristics which can be observed in the solution. Porphyrin-based hybrid transistors have emerged as promising candidates for photonic sensing application due to the

关键词： A photomemory by selective-assembling hybrid porphyrin-silicon nanowire field-effect transistor

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