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Nano Research 2021年第4期14卷 1210-1217页

作者： Dejian Yu Fei Cao Yu Gu zeyao han Jiaxin Liu Bo Huang Xiaobao Xu Haibo Zeng Institute of Optoelectronics&Nanomaterials MIIT Key Laboratory of Advanced Display Materials and DevicesSchool of Materials Science and EngineeringNanjing University of Science and TechnologyNanjing 210094China

Full-spectrum underwater optical communication(UOC)is of great significance for major strategic needs including resource development,scientific exploration,and homeland *** the core of the full-spectrum UOC system,photodetectors(PDs)are plagued by stringent requirements including a broadband response,intrinsic water resistance,and a high *** this work,two-dimensional(2D)halide perovskites(HPs)and corresponding PDs are constructed by stearamine(SA),representing the rarely explored long-chain aliphatic amine series,to own waterproofness,ultralow noise,and superior optoelectronic performance,which consequently enable a high suitability for *** dimensionality and composition modulations to extend the absorption onset down to 1.5 eV,a broadband response covering the entire transmission window of water(>1.55 eV)for full-spectrum UOC can be ***,featuring a high responsivity of 3.27 A·W^(-1),a peak external quantum efficiency(EQE)of 630%,fast rise/decay times of 0.35 ms/0.54 ms,a superior detectivity up to 1.35×10^(12)Jones and the capability to distinguish various waveforms and light intensities,the PDs present sensitive and persistent photoresponse *** a result,proof-of-concept wireless transmission of ASCII codes in water is demonstrated.

关键词： two-dimensional(2D)halide perovskite photodetector water stability broadband photoresponse underwater optical communication

An asymmetric A-D-π-A type non-fullerene acceptor enables high-detectivity near-infrared organic photodiodes

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Science China Chemistry 2023年第1期66卷 242-250页

作者： Ziping Zhong Xin Liu Ling Li zeyao han Yin He Xiaobao Xu Jiefeng Hai Rihong Zhu Jiangsheng Yu School of Electronic and Optical Engineering Nanjing University of Science and TechnologyNanjing 210094China College of Chemistry and Bioengineering Guilin University of TechnologyGuilin 541004China School of Material Science and Engineering Nanjing University of Science and TechnologyNanjing 210094China

Narrow bandgap non-fullerene acceptors(NFAs)are relevant as key materials components for the fabrication of near-infrared(NIR)organic solar cells(OSCs)and organic photodiodes(OPDs)thanks to their complementary absorption,tunable energy levels,and enhanced ***,high-performance NIR photodetectors are still scarce due to the absence of narrow bandgap ***,an asymmetric A-D-π-A type NFA,named ABTPV-S,with a broad optical absorption approaching 1,000 nm is designed and synthesized through integrating alkylthio side chains and a vinyleneπ-*** optimal inverted OPD device exhibits an excellent performance with a photoresponsivity of 0.39 AW-1,a noise current of 2.25×10^(-14)A Hz^(-0.5),a specific detectivity(D*)of 3.43×10^(12)Jones at 840 nm,and linear dynamic range(LDR)of 140 d *** addition,the rise and fall times for ABTPV-S-based OPDs also reach 1.07 and 0.71μs,***-S-based OPDs exhibit a high D*over 1012Jones at 950 nm,which is a competitive result for the self-powered photodiode-type NIR *** findings highlight the outstanding potential of asymmetric A-D-π-A type NIR NFAs for high-performance OPDs competing with their silicon counterparts.

关键词： asymmetric non-fullerene acceptor high-detectivity near-infrared organic solar cells organic photodiodes

High-definition colorful perovskite narrowband photodetector array enabled by laser-direct-writing

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Nano Research 2022年第6期15卷 5476-5482页

作者： Xiaobao Xu Yuhang Dong Yuanzhou Zhang zeyao han Jiaxin Liu Dejian Yu Yi Wei Yousheng Zou Bo Huang Jun Chen Haibo Zeng Key Laboratory of Advanced Display Materials and Devices Ministry of Industry and Information TechnologyInstitute of Optoelectronics&NanomaterialsCollege of Material Science and EngineeringNanjing University of Science and TechnologyNanjing 210094China

Narrowband photodetectors as specific spectral sensing pixels have drawn intense attention in multispectral detection due to their distinct characteristic of filter-free spectrum discrimination,in which the emerging halide lead perovskites witness a booming development in their performance and wavelength-selectivity from blue to near-infrared ***,the challenge in integrating perovskite narrowband photodetectors on one chip imposes an impediment on practical *** this work,the combination of laser-direct-writing and ion exchange is proposed as an efficient way to fabricate high-definition colorful sensing array with perovskite narrowband photodetector unit as *** laser irradiation,the photolysis of halocarbon solvent(CHCl_(3),CH_(3)CH_(2)I,etc)releases the halide ions,which brings the ion exchange and gives rise to slow-varying bandgap in single perovskite photoactive *** ion exchange can be controlled via laser irradiation time and focus point,thus enabling precisely engineerable *** optimizing the process,it is successfully applied to develop patterned perovskite narrow blue and green photodetectors array with a high-definition of~53 *** believe this result will make a great step forward to integrate multifunctional perovskite devices on one chip,which will pave the way for perovskite optoelectronic device to the commercial application.

关键词： photodetector narrowband imaging array laser-direct-writing perovskite

Marangoni-flow-assisted assembly of single-walled carbon nanotube films for human motion sensing

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Fundamental Research 2024年第3期4卷 570-574页

作者： Yuguang Chen Yitan Li Lu han Hao Sun Min Lyu zeyao Zhang Shigeo Maruyama Yan Li Key Laboratory for the Physics and Chemistry of Nanodevices Beijing National Laboratory of Molecular SciencesState Key Laboratory of Rare Earth Materials Chemistry and ApplicationsCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China Academy for Advanced Interdisciplinary Studies Peking UniversityBeijing 100871China Bruker(Beijing)Scientific Technology Co.Ltd. Beijing 100192China Department of Mechanical Engineering The University of TokyoTokyo 113-8656Japan Peking University Shenzhen Institute Shenzhen 518057China PKU-HKUST ShenZhen-HongKong Institution Shenzhen 518057China

Single-walled carbon nanotubes(SWCNTs)present excellent electronic and mechanical properties desired in wearable and flexible *** preparation of SWCNT films is the first step for fabricating various *** work developed a scalable and feasible method to assemble SWCNT thin films on water surfaces based on Marangoni flow induced by surface tension *** films possess a large area of 40 cm×30 cm(extensible),a tunable thickness of 15∼150 nm,a high transparency of up to 96%,and a decent *** are ready to be directly transferred to various substrates,including flexible *** strain sensors were fabricated with the films on flexible *** sensors worked with high sensitivity and *** realizing multi-functional human motion sensing,including responding to voices,monitoring artery pulses,and detecting knuckle and muscle actions,the assembled SWCNT films demonstrated the potential for application in smart devices.

关键词： Single-walled carbon nanotubes Marangoni flow Assembly Interfaces Sensors

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应用于开关电源的有源共模EMI滤波器

安全与电磁兼容 2006年第4期 16-18页

作者：杨志辉韩泽耀上海交通大学微电子学院

在开关电源中,高速的开关造成了严重的共模噪声干扰。介绍了一种应用于开关电源的有源共模EMI滤波器。该有源滤波器基于电流检测、电流补偿的原理,以高速运放为核心。试验证明,该有源滤波器对共模噪声的抑制能力比无源器件高20dB。

关键词：开关电源电磁干扰共模噪声有源滤波器

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基于4T像素结构的CMOS图像传感器设计

电子科技 2007年第10期20卷 57-60,63页

作者：陈雷韩泽耀曹庆红上海交通大学微电子学院中芯国际集成电路制造有限公司服务部上海201023

传统的CMOS图像传感器采用3T像素结构,但由于自身结构的关系,整体性能难以满足较高的要求,4T像素结构应运而生,它比3T像素有更小的噪声,更好的性能;同时要求控制部分更加复杂。文中介绍了基于一种4T像素结构的图像传感器的设计。

关键词： 3T 4T APS 图像传感器

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DVI接口及物理层一致性测试

电子科技 2007年第10期20卷 52-56,70页

作者：刘合洲韩泽耀林庆龙上海交通大学微电子学院中芯国际集成电路制造有限公司设计服务部上海201203

数字视频接口(DVI)正越来越广泛的应用于计算机和消费电子产品上作为其视频接口,它是基于TMDS(Transition Minimized Differential Signaling,转换最小差分信号)技术来传输数字信号,DVI包括一个传送器和一个接收器。文中主要介绍DVI接... 详细信息

数字视频接口(DVI)正越来越广泛的应用于计算机和消费电子产品上作为其视频接口,它是基于TMDS(Transition Minimized Differential Signaling,转换最小差分信号)技术来传输数字信号,DVI包括一个传送器和一个接收器。文中主要介绍DVI接口并对物理层进行一致性测试。

关键词：数字视频接口(DVI) 转换最小差分信号(TMDS) 传送器(Transmitter) 接受器(Receiver) 一致性测试(Compliance testing)

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VoIP芯片测试验证及量产解决方案

中国集成电路 2006年第11期15卷 66-70页

作者：张涌韩泽耀范卫东邵志勇上海交通大学微电子学院芯原微电子(上海)有限公司

随着互联网(Internet)及无线网络的普及,基于网际协议的语音传输(VoIP)技术将呈爆发性成长,最终取代传统固话业务,跃居主流通讯方式。在此趋势之下,集成了VoIP技术的芯片将成为一个新的市场增长点。SVE1000是设计服务公司芯原微电子为... 详细信息

随着互联网(Internet)及无线网络的普及,基于网际协议的语音传输(VoIP)技术将呈爆发性成长,最终取代传统固话业务,跃居主流通讯方式。在此趋势之下,集成了VoIP技术的芯片将成为一个新的市场增长点。SVE1000是设计服务公司芯原微电子为客户设计的一款VoIP芯片,采用SMIC18logic工艺。内部集成了芯原微电子ZSP!核以及CODEC核。本文将详细讨论SVE1000的测试验证以及量产解决方案。

关键词： VoIP VoIP Testing Codec Testing.

Parallel Simulation of Groundwater Flow in the North China Plain

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Journal of Earth Science 2014年第6期25卷 1059-1066页

作者： Tangpei Cheng Jingli Shao Yali Cui zeyao Mo Zhong han Ling Li Institute of Applied Physics and Computational Mathematics CAEP Software Center for High Performance Numerical Simulation School of Water Resources and Environmental Science China University of Geosciences

Numerical modeling is of crucial importance in understanding the behavior of regional groundwater system. However, the demand on modeling capability is intensive when performing high-resolution simulation over long time span. This paper presents the application of a parallel program to speed up the detailed modeling of the groundwater flow system in the North China Plain. The parallel program is implemented by rebuilding the well-known MODFLOW program on our parallelcomputing framework, which is achieved by designing patch-based parallel data structures and algorithms but maintaining the compute flow and functionalities of MODFLOW. The detailed model with more than one million grids and a decade of time has been solved. The parallel simulation results were examined against the field observed data and these two data are generally in good agreement. For the comparison on solution time, the parallel program running on 32 cores is 6 times faster than the fastest MICCG-based MODFLOW program and 11 times faster than the GMG-based MODFLOW program. Therefore, remarkable computational time can be saved when using the parallel program, which facilitates the rapid modeling and prediction of the groundwater flow system in the North China Plain.

关键词： parallel computing groundwater flow modeling MODFLOW North China Plain

Material patterning on substrates by manipulation of fluidic behavior

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National Science Review 2019年第4期6卷 758-766页

作者： Yitan Li Hao Wang Henglu Xu Shiting Wu Xuemei Li Jiapeng Yu Chaoyu Huang zeyao Zhang Hao Sun Lu han Meihui Li Anyuan Cao Zhenhai Pan Yan Li Key Laboratory for the Physics and Chemistry of Nanodevices Beijing National Laboratory of Molecular SciencesState Key Laboratory of Rare Earth Materials Chemistry and Applications College of Chemistry and Molecular Engineering Peking University Academy for Advanced Interdisciplinary Studies Peking University College of Engineering Peking University Electron Microscopy Laboratory Peking University Bruker (Beijing) Scientific Technology Co. Ltd. 6. Institute of Engineering ThermophysicsShanghai Jiao Tong University

Patterned materials on substrates are of great importance for a wide variety of applications. In solution-based approaches to material patterning, fluidic flow is inevitable. Here we demonstrate not only the importance of fluidic behavior but also the methodology of engineering the flow pattern to guide the material crystallization and assembly. We show by both experiment and simulation that substrate heating,which is generally used to accelerate evaporation, produces irregular complex vortexes. Instead, a top-heating–bottom-cooling(THBC) set-up offers an inverse temperature gradient and results in a single Marangoni vortex, which is desired for ordered nanomaterial patterning near the contact line. We then realize the fabrication of large-scale patterns of iodide perovskite crystals on different substrates under THBC conditions. We further demonstrate that harnessing the flow behavior is a general strategy with great feasibility to pattern various functional materials ranging from inorganic, organic, hybrid to biological categories on different substrates, presenting great potential for practical applications.

关键词： Marangoni flow temperature gradient large-scale material patterning flexible device contact line