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Room-temperature multiple ligands-tailored SnO_(2) quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_(OC)

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Light(Science & Applications) 2021年第12期10卷 2467-2481页

作者： Zhiwei Ren Kuan Liu Hanlin Hu Xuyun Guo Yajun Gao Patrick W.K.Fong Qiong Liang Hua Tang Jiaming Huang Hengkai Zhang Minchao Qin Li Cui Hrisheekesh Thachoth Chandran Dong Shen Ming-Fai Lo Annie Ng Charles Surya Minhua Shao Chun-Sing Lee Xinhui Lu Frédéric Laquai Ye Zhu Gang Li Department of Electronic and Information engineering Research Institute for Smart Energy(RISE)Guangdong-Hong Kong-Macao(GHM)Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and DevicesThe Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina Department of Electrical and Computer engineering Nazarbayev UniversityNur-SultanKazakhstan The Hong Kong Polytechnic University Shenzhen research Institute Shenzhen 518057China Hoffmann Institute of Advanced materials Shenzhen Polytechnic7098 Liuxian BoulevardShenzhen 518055China Department of Applied Physics The Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina Department of Chemical and Biological engineering The Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongChina King Abdullah University of Science and technology(KAUST) KAUST Solar Center(KSC)Physical Sciences and Engineering Division(PSE)Material Science and Engineering Program(MSE)Thuwal 23955-6900Kingdom of Saudi Arabia Department of Physics The Chinese University of Hong KongShatin 999077 Hong KongChina center of Super-Diamond and Advanced Films(COSDAF) Department of ChemistryCity University of Hong KongHong KongChina

The benchmark tin oxide(SnO_(2))electron transporting layers(ETLs)have enabled remarkable progress in planar perovskite solar cell(PSCs).However,the energy loss is still a challenge due to the lack of“hidden interface”*** report a novel ligand-tailored ultrafine SnO_(2) quantum dots(QDs)via a facile rapid room temperature ***,the ligand-tailored SnO_(2) QDs ETL with multi-functional terminal groups in situ refines the buried interfaces with both the perovskite and transparent electrode via enhanced interface binding and perovskite *** novel ETLs induce synergistic effects of physical and chemical interfacial modulation and preferred perovskite crystallization-directing,delivering reduced interface defects,suppressed non-radiative recombination and elongated charge carrier *** conversion efficiency(PCE)of 23.02%(0.04 cm^(2))and 21.6%(0.98 cm^(2),V_(OC) loss:0.336 V)have been achieved for the blade-coated PSCs(1.54 eV E_(g))with our new ETLs,representing a record for SnO_(2) based blade-coated ***,a substantially enhanced PCE(V_(OC))from 20.4%(1.15 V)to 22.8%(1.24 V,90 mV higher V_(OC),0.04 cm^(2) device)in the blade-coated 1.61 eV PSCs system,via replacing the benchmark commercial colloidal SnO_(2) with our new ETLs.

关键词： perovskite interface quantum

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Wearable and flexible electrochemical sensors for sweat analysis:a review

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Microsystems & Nanoengineering 2023年第1期9卷 1-21页

作者： Fupeng Gao Chunxiu Liu Lichao Zhang Tiezhu Liu Zheng Wang Zixuan Song Haoyuan Cai Zhen Fang Jiamin Chen Junbo Wang Mengdi Han Jun Wang Kai Lin Ruoyong Wang Mingxiao Li Qian Mei Xibo Ma Shuli Liang Guangyang Gou Ning Xue School of Electronic Electricaland Communication EngineeringUniversity of Chinese Academy of Sciences(UCAS)100190 BeijingChina State Key Laboratory of Transducer technology Aerospace Information Research Institute(AIR)Chinese Academy of Sciences100190 BeijingChina Department of Biomedical engineering College of Future TechnologyPeking University100871 BeijingChina Beijing Shuimujiheng Biotechnology Company 101102 BeijingChina PLA Air Force Characteristic Medical center 100142 BeijingChina Institute of Microelectronics of the Chinese Academy of Sciences 100029 BeijingChina CAS Key Laboratory of Biomedical Diagnostics Suzhou Institute of Biomedical Engineering and TechnologyChinese Academy of Sciences(CAS)215163 SuzhouChina CBSR&NLPR Institute of AutomationChinese Academy of SciencesBeijingChina Functional Neurosurgery Department Beijing Children’s HospitalCapital Medical University100045 BeijingChina

Flexible wearable sweat sensors allow continuous,real-time,noninvasive detection of sweat analytes,provide insight into human physiology at the molecular level,and have received significant attention for their promising applications in personalized health *** sensors are the best choice for wearable sweat sensors due to their high performance,low cost,miniaturization,and wide *** developments in soft microfluidics,multiplexed biosensing,energy harvesting devices,and materials have advanced the compatibility of wearable electrochemical sweat-sensing *** this review,we summarize the potential of sweat for medical detection and methods for sweat stimulation and *** paper provides an overview of the components of wearable sweat sensors and recent developments in materials and power supply technologies and highlights some typical sensing platforms for different types of ***,the paper ends with a discussion of the challenges and a view of the prospective development of this exciting field.

关键词： electrochemical wear harvesting

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光电材料与应力传感的交叉学科:有机摩擦发光化合物及其传感应用的最新进展

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Journal of Central South University 2021年第12期28卷 3907-3934页

作者：孙浩东杜贝贝吴亚璋王海兰张夏宇王娟张思敏魏珊珊于涛 Frontiers Science center for Flexible Electronics(FSCFE)and X i’an Institute of Flexible Electronics(IFE) Northwestern Polytechnical UniversityXi’an 710072China Queen Mary University of London engineering School Northwestern Polytechnical UniversityXi’an 710119China School of Packaging and materials engineering Hunan University of TechnologyZhuzhou 412007China

摩擦发光,也称为机械发光,是一种特殊的光学现象,指特定的有机或无机材料在受到外力作用(如挤压、变形、劈裂、振动等)时的发光行为。无机摩擦发光材料在传感领域已经显示出巨大的应用潜力,如应力传感、损伤检测等。然而,有机摩擦发光... 详细信息

摩擦发光,也称为机械发光,是一种特殊的光学现象,指特定的有机或无机材料在受到外力作用(如挤压、变形、劈裂、振动等)时的发光行为。无机摩擦发光材料在传感领域已经显示出巨大的应用潜力,如应力传感、损伤检测等。然而,有机摩擦发光材料的摩擦发光机理及其应用还需要进一步推动。在本文中,我们总结了有机摩擦发光材料的发展历史和摩擦发光的机理,以及在传感领域中的应用。同时,受到现有无机摩擦发光材料应用的启发,我们对有机摩擦发光材料在应力传感器、运动监测、应力成像分布、裂纹扩展可视化、结构诊断等领域的应用前景进行了展望。

关键词：摩擦发光晶体工程应力成像压电性能

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近红外或超声敏感的二维纳米材料用于癌症诊疗的研究进展

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Science China materials 2020年第12期63卷 2397-2428页

作者：杨微吕庆华赵军曹励琪郝轶张晗 Department of Ultrasound Shenzhen HospitalSouthern Medical UniversityShenzhen 518100China Institute of Microscale Optoelectronics Collaborative Innovation Centre for Optoelectronic Science&TechnologyKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceShenzhen Key Laboratory of Micro-Nano Photonic Information TechnologyGuangdong Laboratory of Artificial Intelligence and Digital Economy(SZ)College of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhen 518060China School of Ophthalmology&Optometry Affiliated to Shenzhen University Shenzhen 518040China Shenzhen Eye Institute Shenzhen Eye Hospital Affiliated to Jinan UniversityShenzhen 518040China

二维纳米材料在电子学、催化、超级电容器和能源材料等领域展现出了巨大的应用潜力.在生物医学领域,以二维超薄纳米材料为代表的低维材料,因其优异的机械、光热、电子和光学性能,以及良好的生物相容性和生物降解性,被广泛用于构建多功... 详细信息

二维纳米材料在电子学、催化、超级电容器和能源材料等领域展现出了巨大的应用潜力.在生物医学领域,以二维超薄纳米材料为代表的低维材料,因其优异的机械、光热、电子和光学性能,以及良好的生物相容性和生物降解性,被广泛用于构建多功能纳米平台并应用于肿瘤的诊疗.本综述概述了石墨炔、黑磷、过渡金属二卤化物、锑烯等新型低维材料的特定结构与性质,详细总结了基于各类对近红外或超声敏感的材料构建的纳米平台在光热、光动力和声动力无创肿瘤治疗中的最新进展,并进一步探讨了纳米材料在无创式癌症治疗中所面临的挑战与应用前景.

关键词：癌症治疗光动力二维纳米材料肿瘤治疗低维材料近红外生物降解性生物相容性

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Ambipolar tribotronic transistor of MoTe_(2)

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Nano research 2023年第9期16卷 11907-11913页

作者： Yonghai Li Jinran Yu Yichen Wei Yifei Wang Liuqi Cheng Zhenyu Feng Ya Yang Zhong Lin Wang Qijun Sun center on Nanoenergy research School of Chemistry and Chemical EngineeringGuangxi UniversityNanning 530004China Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 101400China School of Nanoscience and technology University of Chinese Academy of SciencesBeijing 100049China center on Nanoenergy research School of Physical Science and TechnologyGuangxi UniversityNanning 530004China Georgia Institute of technology AtlantaGA 30332-0245USA

Two-dimensional(2D)tribotronic devices have been successfully involved in electromechanical modulation for channel conductance and applied in intelligent sensing system,touch screen,and logic *** transistors and corresponding complementary inverters based on one type of semiconductors are highly promising due to the facile fabrication process and readily tunable ***,we demonstrate an ambipolar tribotronic transistor of molybdenum ditelluride(MoTe_(2)),which shows typical ambipolar transport properties modulated by triboelectric *** is comprised of a MoTe_(2)transistor and a lateral sliding triboelectric nanogenerator(TENG).The induced triboelectric potential by Maxwell’s displacement current(a driving force for TENG)can readily modulate the transport properties of both electrons and holes in MoTe_(2)channel and effectively drive the *** performance tribotronic properties have been achieved,including low cutoff current below 1 pA·μm^(−1)and high current on/off ratio of~103 for holes and electrons dominated *** working mechanism on how to achieve tribotronic ambipolarity is discussed in detail.A complementary tribotronic inverter based on single flake of MoTe_(2)is also demonstrated with low power consumption and high *** work presents an active approach to efficiently modulate semiconductor devices and logic circuits based on 2D materials through external mechanical signal,which has great potential in human–machine interaction,intelligent sensor,and other wearable devices.

关键词： ambipolar tribotronic transistor triboelectric potential mechanical displacement logic gate

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Nanoelectromechanical Sensors Based on Suspended 2D materials

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research 2020年第1期2020卷 1612-1636页

作者： Max C.Lemme Stefan Wagner Kangho Lee Xuge Fan Gerard J.Verbiest Sebastian Wittmann Sebastian Lukas Robin J.Dolleman Frank Niklaus Herre S.Jvan der Zant Georg S.Duesberg Peter G.Steeneken Chair of Electronic devices RWTH Aachen UniversityOtto-Blumenthal-Str.252074 AachenGermany AMO GmbH Advanced Microelectronic Center Aachen(AMICA)Otto-Blumenthal-Str.2552074 AachenGermany Institute of Physics Faculty of Electrical Engineering and Information TechnologyUniversität der Bundeswehr MünchenWerner-Heisenberg-Weg 3985577 NeubibergGermany Division of Micro and Nanosystems KTH Royal Institute of TechnologyMalvinas Vag 1010044 StockholmSweden Department of Precision and Microsystems engineering Delft University of TechnologyMekelweg 22628 CD DelftNetherlands Infineon Technologies AG Wernerwerkstraße 293049 RegensburgGermany nd Institute of Physics RWTH Aachen UniversityOtto-Blumenthal-Str.52074 AachenGermany Kavli Institute of Nanoscience Delft University of TechnologyLorentzweg 12628 CJ DelftNetherlands

The unique properties and atomic thickness of two-dimensional(2D)materials enable smaller and better nanoelectromechanical sensors with novel *** the last decade,many studies have successfully shown the feasibility of using suspended membranes of 2D materials in pressure sensors,microphones,accelerometers,and mass and gas *** this review,we explain the different sensing concepts and give an overview of the relevant material properties,fabrication routes,and device operation ***,we discuss sensor readout and integration methods and provide comparisons against the state of the art to show both the challenges and promises of 2D material-based nanoelectromechanical sensing.

关键词： Sensors enable accelerometer

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Noise and detectivity limits in organic shortwave infrared photodiodes with low disorder

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npj Flexible Electronics 2020年第1期4卷 58-65页

作者： Zhenghui Wu Ning Li Naresh Eedugurala Jason DAzoulay Dong-Seok Leem Tse Nga Ng Department of Electrical and Computer engineering University of California San Diego9500 Gilman DriveLa JollaCA 92093-0407USA Department of Electrical and Electronic engineering Southern University of Science and Technology1088 Xueyuan AvenueShenzhenGuangdong 518023China center for Optoelectronic materials and devices School of Polymer Science and EngineeringUniversity of Southern Mississippi118 College Drive#5050HattiesburgMS 39406USA Samsung Advanced Institute of technology(SAIT) Samsung ElectronicsCo.Ltd.130 Samsung-roYeongtong-guSuwon-siGyeonggi-do 443-803South Korea

To achieve high detectivity in infrared detectors,it is critical to reduce the device ***,for non-crystalline semiconductors,an essential framework is missing to understand and predict the effects of disorder on the dark *** report presents experimental and modeling studies on the noise current in exemplar organic bulk heterojunction photodiodes,with 10 donor-acceptor combinations spanning wavelength between 800 and 1600 nm.A significant reduction of the noise and higher detectivity were found in devices using non-fullerene acceptors(NFAs)in comparison to those using fullerene *** low noise in NFA blends was attributed to a sharp drop off in the distribution of bandtail states,as revealed by variable-temperature density-of-states *** disorder into account,we developed a general physical model to explain the dependence of thermal noise on the effective bandgap and bandtail *** model provides theoretical targets for the maximum detectivity that can be obtained at different detection wavelengths in inherently disordered infrared photodiodes.

关键词： heterojunction noise donor

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Review:Chromatic Dispersion Manipulation Based on Optical Metasurfaces

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Journal of Harbin Institute of technology(New Series) 2020年第3期27卷 1-19页

作者： Boyan Fu Xiujuan Zou Tao Li Shuming Wang Zhenlin Wang Shining Zhu National Laboratory of Solid State Microstructures School of PhysicsCollege of Engineering and Applied SciencesNanjing UniversityNanjing 210093China Collaborative Innovation center of Advanced Microstructures Nanjing UniversityNanjing 210093China Key Laboratory of Intelligent Optical sensing and Manipulation Ministry of EducationNanjing 210093China

Metasurfaces are densely arrayed two⁃dimensional(2D)artificial planar metamaterials,which can manipulate the polarization,distribution,and amplitude of light by accurately controlling the phase of the scattering *** flat metasurface has the potential to substantially reduce the thickness and complexity of the structures and allows ease of fabrication and integration into ***,the inherent chromatic aberration of the metasurface originating from the resonant dispersion of the antennas and the intrinsic chromatic dispersion limit their *** to effectively suppress or manipulate the chromatic aberration of metalenses has attracted worldwide attention in the last few years,leading to a variety of excellent ***,utilizing the chromatic dispersion of metasurface to realize special functionalities is also of significant *** this review,the most promising recent examples of chromatic dispersion manipulation based on optical metasurface materials are highlighted and put into perspective.

关键词： metasurfaces chromatic dispersion manipulation achromatic metalenses

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基于各向异性二维Ge Se的无偏振器偏振图像传感器

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Science China materials 2021年第5期64卷 1230-1237页

作者：王晓亭仲方康俊刘灿雷鸣潘龙飞王海露王芳周子琦崔宇刘开辉王建禄沈国震单崇新李京波胡伟达魏钟鸣 State Key Laboratory of Superlattices and Microstructures Institute of SemiconductorsChinese Academy of Sciences&Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing 100083China State Key Laboratory of Infrared Physics Shanghai Institute of Technical PhysicsChinese Academy of SciencesShanghai 200083China Beijing Computational Science research center Beijing 100193China State Key Laboratory for Mesoscopic Physics School of PhysicsPeking UniversityBeijing 100871China State Key Laboratory of Information Photonics and Optical Communications School of ScienceBeijing University of Posts and TelecommunicationsBeijing 100876China Henan Key Laboratory of Diamond Optoelectronic materials and devices School of Physics and EngineeringZhengzhou UniversityZhengzhou 450001China Institute of Semiconductors South China Normal UniversityGuangzhou 510631China

偏振是光的一个重要信息,偏振探测可以把信息量从三维(光强、光谱和空间)扩充到七维(光强、光谱、空间、偏振度、光偏振等),为成像物体提供关键的视觉信息(如表面粗糙度、几何形状或方向),因此偏振成像技术在目标检测等领域有着巨大的潜... 详细信息

偏振是光的一个重要信息,偏振探测可以把信息量从三维(光强、光谱和空间)扩充到七维(光强、光谱、空间、偏振度、光偏振等),为成像物体提供关键的视觉信息(如表面粗糙度、几何形状或方向),因此偏振成像技术在目标检测等领域有着巨大的潜力.然而这些领域往往需要复杂的偏振编码,现有的复杂透镜系统和偏振器限制了集成成像传感器的小型化能力.本文通过二维各向异性α-Ge Se半导体,成功实现了无偏振器的偏振敏感可见-近红外光电探测器/成像仪.作为传感器系统的关键部件,该原型Au/GeSe/Au光电探测器具有灵敏度高、光谱响应宽、响应速度快(~10^(3)A W^(-1), 400–1050 nm, 22.7/49.5μs)等优点.此外,该器件在690–1050 nm光谱范围内表现出独特的偏振灵敏度,并且对沿y方向的偏振光吸收最强,这一点通过分析α-Ge Se的光跃迁行为也得到了证实.最后,将2D-Ge Se器件应用到成像系统中进行偏振成像,在808 nm近红外波段处,在不同的偏振方向上,辐射目标的对比度为3.45.这种成像仪在没有偏振器的情况下,能够在场景中感知双频偏振信号,为偏振成像传感器阵列的广泛应用奠定了基础.

关键词：光偏振偏振器偏振度偏振成像偏振光透镜系统传感器阵列传感器系统

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A Simple Approach to Bioconjugation at Diverse Levels: Metal-Free Click Reactions of Activated Alkynes with Native Groups of Biotargets without Prefunctionalization

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research 2018年第1期2018卷 172-183页

作者： Xianglong Hu Xueqian Zhao Benzhao He Zheng Zhao Zheng Zheng Pengfei Zhang Xiujuan Shi Ryan T.K.Kwok Jacky W.Y.Lam Anjun Qin Ben Zhong Tang Department of Chemistry Hong Kong Branch of Chinese National EngineeringResearch Center for Tissue Restoration and ReconstructionInstitute of Advanced StudyState Key Laboratory of Molecular NanoscienceDivision of Life Science and Diversion of Biomedical EngineeringTe Hong Kong University of Science and TechnologyClear Water BayKowloonHong KongChina Ministry of Education Key Laboratory of Laser Life Science&Institute of Laser Life Science College of BiophotonicsSouth China Normal UniversityGuangzhou 510631China HKUST-Shenzhen research Institute Shenzhen 518057China NSFC center for Luminescence from Molecular Aggregates SCUT-HKUST Joint Research InstituteState Key Laboratory of Luminescent Materials and DevicesSouth China University of TechnologyGuangzhou 510640China

Te efcient bioconjugation of functional groups/molecules to targeted matrix and bio-related species drives the great development of material science and biomedicine,while the dilemma of metal catalysis,uneasy premodifcation,and limited reaction efciency in traditional bioconjugation has restricted the booming development to some ***,we provide a strategy for metal-free click bioconjugation at diverse levels based on activated *** a proof-of-concept,the abundant native groups including amine,thiol,and hydroxyl groups can directly react with activated alkynes without any modifcation in the absence of metal *** this strategy,high-efcient modifcation and potential functionalization can be achieved for natural polysaccharide,biocompatible polyethylene glycol(PEG),synthetic polymers,cell penetrating peptide,protein,fast whole-cell mapping,and even quick diferentiation and staining of Gram-positive bacteria,***,current metal-free click bioconjugation strategy based on activated alkynes is promising for the development of quick fuorescence labeling and functional modifcation of many targets and can be widely applied towards the fabrication of complex biomaterials and future in vivo labeling and detection.

关键词： proof catalysis biomaterials

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