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Ion migration in perovskite solar cells

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Journal of Semiconductors 2021年第1期42卷 1-4页

作者： Xiaoxue Ren Lixiu Zhang yongbo yuan Liming Ding Hunan Key Laboratory of Super Microstructure and Ultrafast Process School of Physics and ElectronicsCentral South UniversityChangsha 410083China Center for Excellence in Nanoscience(CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication(CAS)National Center for Nanoscience and TechnologyBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

The past few years have witnessed a remarkable progress of perovskite solar cells(PSCs),which can be attributed to the high light absorption coefficient,tunable bandgap,long carrier diffusion length,solution processab... 详细信息

关键词： materials. perovskite attributed

Induced J-aggregation in acceptor alloy enhances photocurrent

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Science Bulletin 2019年第15期64卷 1083-1086页

作者： Ling Liu Qishi Liu Zuo Xiao Shangfeng Yang yongbo yuan Liming Ding Center for Excellence in Nanoscience(CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication(CAS)National Center for Nanoscience and TechnologyBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Department of Materials Science and Engineering University of Science and Technology of ChinaHefei 230026China School of Physics&Electronics Central South UniversityChangsha 410083China

Carbon-oxygen-bridged (CO-bridged) ladder-type units already proved to be promising electron-donating building blocks for making acceptor-donor-acceptor (A-D-A) nonfullerene acceptors [1].Compared with traditional carbon-bridged (C-bridged) units, CObridged units present stronger electron-donating capability due to electron-rich oxygen atoms.

关键词： PTB PCE J-aggregation

A two-terminal all-inorganic perovskite/organic tandem solar cell

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Science Bulletin 2019年第13期64卷 885-887页

作者： Qiang Zeng Ling Liu Zuo Xiao Fangyang Liu Yong Hua yongbo yuan Liming Ding School of Metallurgy and Environment Central South UniversityChangsha 410083China Center for Excellence in Nanoscience (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS)National Center for Nanoscience and TechnologyBeijing 100190China School of Materials Science and Engineering Yunnan UniversityKunming 650091China School of Physics & Electronics Central South UniversityChangsha 410083China

Organic-inorganic lead halide perovskite solar cells(PSCs)have been marching rapidly in recent years with power conversion efficiency(PCE)boosting from 3.8%to 24.2%(NREL Best Research-Cell Efficiency Chart,https://www.***.gov/pv/cell-effi ciency.html,Accessed April 2019).However,these solar cells are not stable at high temperatures due to volatile organic cations[1].Allinorganic perovskites with cesium cation like CsPbI1-xBrx present high thermal stabilities[2].By partially replacing I-with Br-,the bandgap for CsPbI1-xBrx can be tuned from 1.73 to 2.36 eV.

关键词： solar cell perovskite

A carbon-oxygen-bridged ladder-type building block for efficient donor and acceptor materials used in organic solar cells

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Science Bulletin 2017年第19期62卷 1331-1336页

作者： Zuo Xiao Fan Liu Xinjian Geng Jianqi Zhang Shizhe Wang Yujun Xie Zhen Li Huai Yang yongbo yuan Liming Ding Center for Excellence in Nanoscience (CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS)National Center for Nanoscience and Technology Department of Chemistry Wuhan University College of Engineering Peking University School of Physics & Electronics Central South University

A carbon-oxygen-bridged ladder-type donor unit(CO5) was invented and prepared via an ‘‘intramolecular demethanolization cyclization" approach. Its single crystal structure indicates enhanced planarity compared with the carbon-bridged analogue indacenodithiophene(IDT). Owing to the stronger electron-donating capability of CO5 than IDT, CO5-based donor and acceptor materials show narrower bandgaps. A donor-acceptor(D-A) copolymer donor(PCO5TPD) and an A-D-A nonfullerene acceptor(CO5IC) demonstrated higher performance than IDT-based counterparts, PIDTTPD and IDTIC, respectively. The better performance of CO5-based materials results from their stronger light-harvesting capability and higher charge-carrier mobilities.

关键词：受体材料有机太阳能电池氧桥结构块梯形碳施主载流子迁移率

Adjusting energy level alignment between HTL and CsPbI_(2)Br to improve solar cell efficiency

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Journal of Semiconductors 2021年第3期42卷 11-13页

作者： Zihan Zhang Jia Li Zhimin Fang Haipeng Xie yongbo yuan Chuantian Zuo Liming Ding Bin Yang College of Materials Science and Engineering Hunan UniversityChangsha 410082China Center for Excellence in Nanoscience(CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication(CAS)National Center for Nanoscience and TechnologyBeijing 100190China Hunan Key Laboratory of Super Microstructure and Ultrafast Process College of Physics and ElectronicsCentral South UniversityChangsha 410083China

Lead halide perovskites are at the forefront of optoelectronic materials due to their high absorption coefficient,tunable bandgap,long carrier diffusion length,and small exciton binding energy[1−3],yielding high-perfo... 详细信息

关键词： optoelectronic tunable alignment

A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency

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Journal of Semiconductors 2021年第1期42卷 11-15,16-23页

作者： Jianqiang Qin Lixiu Zhang Chuantian Zuo Zuo Xiao yongbo yuan Shangfeng Yang Feng Hao Ming Cheng Kuan Sun Qinye Bao Zhengyang Bin Zhiwen Jin and Liming Ding Center for Excellence in Nanoscience(CAS) Key Laboratory of Nanosystem and Hierarchical Fabrication(CAS)National Center for Nanoscience and TechnologyBeijing 100190China Key Laboratory of Low-grade Energy Utilization Technologies and Systems(MOE) School of Energy and Power EngineeringChongqing UniversityChongqing 400044China Hunan Key Laboratory of Super Microstructure and Ultrafast Process School of Physics and ElectronicsCentral South UniversityChangsha 410083China Department of Materials Science and Engineering University of Science and Technology of ChinaHefei 230026China School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 611731China Institute for Energy Research Jiangsu UniversityZhenjiang 212013China Key Laboratory of Polar Materials and Devices(MoE) School of Physics and Electronic ScienceEast China Normal UniversityShanghai 200241China College of Chemistry Sichuan UniversityChengdu 610064China School of Physical Science and Technology Lanzhou UniversityLanzhou 730000China

The rapid development of low-bandgap(LBG)nonfullerene acceptors and wide-bandgap(WBG)copolymer donors in recent years has boosted the power conversion efficiency(PCE)of organic solar cells(OSCs)to the 18%level[1−21].The commercialization of OSCs is highly expected.However,critical issues like the cost and the stability also determine whether OSCs can enter the market or not[22].

关键词： copolymer donor stability

Recent progress in perovskite solar cells:from device to commercialization

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Science China Chemistry 2022年第12期65卷 2369-2416页

作者： Xinhui Luo Xuesong Lin Feng Gao Yang Zhao Xiaodong Li Liqing Zhan Zexiong Qiu Jin Wang Cong Chen Lei Meng Xiaofeng Gao Yu Zhang Zijian Huang Rundong Fan Huifen Liu Yanrun Chen Xiaoxue Ren Jiahong Tang Chun-Hao Chen Dong Yang Yongguang Tu Xiao Liu Dongxue Liu Qing Zhao Jingbi You Junfeng Fang Yongzhen Wu Hongwei Han Xiaodan Zhang Dewei Zhao Fuzhi Huang Huanping Zhou yongbo yuan Qi Chen Zhaokui Wang Shengzhong(Frank)Liu Rui Zhu Jotaro Nakazaki Yongfang Li Liyuan Han State Key Laboratory of Metal Matrix Composites School of Material Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China State Key Lab for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics School of PhysicsPeking UniversityBeijing 100871China Key Laboratory of Semiconductor Materials Science Institute of SemiconductorsChinese Academy of SciencesBeijing 100083China School of Physics and Electronic Science Engineering Research Center of Nanophotonics&Advanced InstrumentMinistry of EducationEast China Normal UniversityShanghai 200241China Key Laboratory for Advanced Materials and Institute of Fine Chemicals School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai 200237China Wuhan National Laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074China Institute of Photoelectronic Thin Film Devices and Technology Renewable Energy Conversion and Storage CenterSolar Energy Research CenterNankai UniversityTianjin 300350China College of Materials Science and Engineering&Engineering Research Center of Alternative Energy Materials&Devices Ministry of EducationSichuan UniversityChengdu 610065China Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing 100190China State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Beijing Key Laboratory for Theory and Technology of Advanced Battery Materials Key Laboratory of Polymer Chemistry and Physics of Ministry of EducationSchool of Materials Science and EngineeringPeking UniversityBeijing 100871China School of Physics and Electronics Hunan Key Laboratory of Nanophotonics and DevicesCentral South UniversityChangsha 410083China Experimental Center for Advanced Materials School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081China Jia

Perovskite solar cells(PSCs) are undergoing rapid development and the power conversion efficiency reaches 25.7% which attracts increasing attention on their commercialization recently.In this review,we summarized the recent progress of PSCs based on device structures,perovskite-based tandem cells,large-area modules,stability,applications and industrialization.Last,the challenges and perspectives are discussed,aiming at providing a thrust for the commercialization of PSCs in the near future.

关键词： perovskite solar cells device engineering stability application

Orexin Receptor Antagonists as Emerging Treatments for Psychiatric Disorders

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Neuroscience Bulletin 2020年第4期36卷 432-448页

作者： Ying Han Kai yuan yongbo Zheng Lin Lu National Institute of Drug Dependence and Beijing Key Laboratory of Drug Dependence Peking UniversityBeijing 100191China Peking University Sixth Hospital Peking University Institute of Mental HealthNHC Key Laboratory of Mental Health(Peking University)National Clinical Research Center for Mental Disorders(Peking University Sixth Hospital)Beijing 100191China Peking-Tsinghua Center for Life Sciences and PKU-IDG/McGovern Institute for Brain Research Peking UniversityBeijing 100871China

Orexins comprise two neuropeptides produced by orexin neurons in the lateral hypothalamus and are released by extensive projections of these neurons throughout the central nervous system. Orexins bind and activate their associated G protein-coupled orexin type 1 receptors(OX1Rs) and OX2Rs and act on numerous physiological processes, such as sleep-wake regulation, feeding, reward,emotion, and motivation. Research on the development of orexin receptor antagonists has dramatically increased with the approval of suvorexant for the treatment of primary insomnia. In the present review, we discuss recent findings on the involvement of the orexin system in the pathophysiology of psychiatric disorders, including sleep disorders,depression, anxiety, and drug addiction. We discuss the actions of orexin receptor antagonists, including selective OX1R antagonists (SORA1s), selective OX2R antagonists(SORA2s), and dual OX1/2R antagonists (DORAs), in the treatment of these disorders based on both preclinical and clinical evidence. SORA2s and DORAs have more pronounced efficacy in the treatment of sleep disorders,whereas SORA1s may be promising for the treatment of anxiety and drug addiction. We also discuss potential challenges and opportunities for the application of orexin receptor antagonists to clinical interventions.

关键词： Orexin Insomnia Depression Anxiety Drug addiction

Building biological foundries for next-generation synthetic biology

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Science China(Life Sciences) 2015年第10期58卷 658-665页

作者： CHAO Ran yuan yongbo ZHAO HuiMin Department of Chemical and Biomolecular Engineering University of Illinois at Urbana-Champaign Institute for Genomic Biology University of Illinois at Urbana-Champaign Department of Bioengineering Department of Chemistry Center for Biophysics and Computational Biology University of Illinois at Urbana-Champaign

Synthetic biology is an interdisciplinary field that takes top-down approaches to understand and engineer biological systems through design-build-test cycles. A number of advances in this relatively young field have greatly accelerated such engineering cycles. Specifically, various innovative tools were developed for in silico biosystems design, DNA de novo synthesis and assembly, construct verification, as well as metabolite analysis, which have laid a solid foundation for building biological foundries for rapid prototyping of improved or novel biosystems. This review summarizes the state-of-the-art technologies for synthetic biology and discusses the challenges to establish such biological foundries.

关键词：合成生物学工厂建设生物系统测试周期电子系统从头合成代谢产物快速原型