共查询到20条相似文献,搜索用时 31 毫秒
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A Multilevel Intermediate‐Band Solar Cell by InGaN/GaN Quantum Dots with a Strain‐Modulated Structure 下载免费PDF全文
Liwen Sang Meiyong Liao Qifeng Liang Masaki Takeguchi Benjamin Dierre Bo Shen Takashi Sekiguchi Yasuo Koide Masatomo Sumiya 《Advanced materials (Deerfield Beach, Fla.)》2014,26(9):1414-1420
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A Tetraphenylethylene Core‐Based 3D Structure Small Molecular Acceptor Enabling Efficient Non‐Fullerene Organic Solar Cells 下载免费PDF全文
Yuhang Liu Cheng Mu Kui Jiang Jingbo Zhao Yunke Li Lu Zhang Zhengke Li Joshua Yuk Lin Lai Huawei Hu Tingxuan Ma Rongrong Hu Demei Yu Xuhui Huang Ben Zhong Tang He Yan 《Advanced materials (Deerfield Beach, Fla.)》2015,27(6):1015-1020
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High‐Performance Integrated Perovskite and Organic Solar Cells with Enhanced Fill Factors and Near‐Infrared Harvesting 下载免费PDF全文
Junghwan Kim Geunjin Kim Hyungcheol Back Jaemin Kong In‐Wook Hwang Tae Kyun Kim Sooncheol Kwon Jong‐Hoon Lee Jinho Lee Kilho Yu Chang‐Lyoul Lee Hongkyu Kang Kwanghee Lee 《Advanced materials (Deerfield Beach, Fla.)》2016,28(16):3159-3165
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Carbazole‐Based Hole‐Transport Materials for Efficient Solid‐State Dye‐Sensitized Solar Cells and Perovskite Solar Cells 下载免费PDF全文
Bo Xu Esmaeil Sheibani Peng Liu Jinbao Zhang Haining Tian Nick Vlachopoulos Gerrit Boschloo Lars Kloo Anders Hagfeldt Licheng Sun 《Advanced materials (Deerfield Beach, Fla.)》2014,26(38):6629-6634
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Jia Liang Xiao Han Ji‐Hui Yang Boyu Zhang Qiyi Fang Jing Zhang Qing Ai Meredith M. Ogle Tanguy Terlier Angel A. Martí Jun Lou 《Advanced materials (Deerfield Beach, Fla.)》2019,31(51)
The emergence of cesium lead iodide (CsPbI3) perovskite solar cells (PSCs) has generated enormous interest in the photovoltaic research community. However, in general they exhibit low power conversion efficiencies (PCEs) because of the existence of defects. A new all‐inorganic perovskite material, CsPbI3:Br:InI3, is prepared by defect engineering of CsPbI3. This new perovskite retains the same bandgap as CsPbI3, while the intrinsic defect concentration is largely suppressed. Moreover, it can be prepared in an extremely high humidity atmosphere and thus a glovebox is not required. By completely eliminating the labile and expensive components in traditional PSCs, the all‐inorganic PSCs based on CsPbI3:Br:InI3 and carbon electrode exhibit PCE and open‐circuit voltage as high as 12.04% and 1.20 V, respectively. More importantly, they demonstrate excellent stability in air for more than two months, while those based on CsPbI3 can survive only a few days in air. The progress reported represents a major leap for all‐inorganic PSCs and paves the way for their further exploration in order to achieve higher performance. 相似文献
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Two novel wide‐bandgap copolymers, PBDT‐TDZ and PBDTS‐TDZ, are developed based on 1,3,4‐thiadiazole (TDZ) and benzo[1,2‐b:4,5‐b′]dithiophene (BDT) building blocks. These copolymers exhibit wide bandgaps over 2.07 eV and low‐lying highest occupied molecular orbital (HOMO) levels below −5.35 eV, which match well with the typical low‐bandgap acceptor of ITIC, resulting in a good complementary absorption from 300 to 900 nm and a low HOMO level offset (≤0.13 eV). Compared to PBDT‐TDZ, PBDTS‐TDZ with alkylthio side chains exhibits the stronger optical absorption, lower‐lying HOMO level, and higher crystallinity. By using a single green solvent of o‐xylene, PBDTS‐TDZ:ITIC devices exhibit a large open‐circuit voltage (Voc) up to 1.10 eV and an extremely low energy loss (Eloss) of 0.48 eV. At the same time, the desirable high short‐circuit current density (Jsc) of 17.78 mA cm−2 and fill factor of 65.4% are also obtained, giving rise to a high power conversion efficiency (PCE) of 12.80% without any additive and post‐treatment. When adopting a homotandem device architecture, the PCE is further improved to 13.35% (certified as 13.19%) with a much larger Voc of 2.13 V, which is the best value for any type of homotandem organic solar cells reported so far. 相似文献
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High‐Efficiency All‐Polymer Solar Cells Based on a Pair of Crystalline Low‐Bandgap Polymers 下载免费PDF全文
Cheng Mu Peng Liu Kui Jiang Jingbo Zhao Kai Zhang Zhihua Chen Zhanhua Wei Ya Yi Jiannong Wang Shihe Yang Fei Huang Antonio Facchetti Harald Ade He Yan 《Advanced materials (Deerfield Beach, Fla.)》2014,26(42):7224-7230
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All‐Solution‐Processed Metal‐Oxide‐Free Flexible Organic Solar Cells with Over 10% Efficiency 下载免费PDF全文
Wei Song Xi Fan Bingang Xu Feng Yan Huiqin Cui Qiang Wei Ruixiang Peng Ling Hong Jiaming Huang Ziyi Ge 《Advanced materials (Deerfield Beach, Fla.)》2018,30(26)
All‐solution‐processing at low temperatures is important and desirable for making printed photovoltaic devices and also offers the possibility of a safe and cost‐effective fabrication environment for the devices. Herein, an all‐solution‐processed flexible organic solar cell (OSC) using poly(3,4‐ethylenedioxythiophene):poly‐(styrenesulfonate) electrodes is reported. The all‐solution‐processed flexible devices yield the highest power conversion efficiency of 10.12% with high fill factor of over 70%, which is the highest value for metal‐oxide‐free flexible OSCs reported so far. The enhanced performance is attributed to the newly developed gentle acid treatment at room temperature that enables a high‐performance PEDOT:PSS/plastic underlying substrate with a matched work function (≈4.91 eV), and the interface engineering that endows the devices with better interface contacts and improved hole mobility. Furthermore, the flexible devices exhibit an excellent mechanical flexibility, as indicated by a high retention (≈94%) of the initial efficiency after 1000 bending cycles. This work provides a simple route to fabricate high‐performance all‐solution‐processed flexible OSCs, which is important for the development of printing, blading, and roll‐to‐roll technologies. 相似文献
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Organic Solar Cells: A Tetraphenylethylene Core‐Based 3D Structure Small Molecular Acceptor Enabling Efficient Non‐Fullerene Organic Solar Cells (Adv. Mater. 6/2015) 下载免费PDF全文
Yuhang Liu Cheng Mu Kui Jiang Jingbo Zhao Yunke Li Lu Zhang Zhengke Li Joshua Yuk Lin Lai Huawei Hu Tingxuan Ma Rongrong Hu Demei Yu Xuhui Huang Ben Zhong Tang He Yan 《Advanced materials (Deerfield Beach, Fla.)》2015,27(6):1014-1014
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