Journal ArticleDOI
18% Efficiency organic solar cells
Qishi Liu,Qishi Liu,Yufan Jiang,Yufan Jiang,Ke Jin,Jianqiang Qin,Jingui Xu,Wenting Li,Ji Xiong,Jinfeng Liu,Zuo Xiao,Kuan Sun,Shangfeng Yang,Xiaotao Zhang,Liming Ding +14 more
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This article is published in Chinese Science Bulletin.The article was published on 2020-01-07. It has received 2154 citations till now. The article focuses on the topics: Organic solar cell.read more
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1‐Chloronaphthalene‐Induced Donor/Acceptor Vertical Distribution and Carrier Dynamics Changes in Nonfullerene Organic Solar Cells and the Governed Mechanism
Xinjun He,Christopher C. Chaston,Jinwook Kim,Heng Liu,Chun-Jen Su,U-Ser Jeng,Haibin Su,Xinhui Lu,Kam Sing Wong,Wallace C. H. Choy +9 more
TL;DR: In this article , the authors show that the 1-chloronaphthalene additive can tune the donor/acceptor vertical distribution and establish the mechanism for high-performance organic solar cells.
Journal ArticleDOI
Organic solar cells with near-unity charge generation yield
TL;DR: In this paper, the relationship between photo-generation and recombination in excitonic semiconductor photovoltaics was investigated and a relatively small increase in yield from 0.984 to 0.993 leads to a reduction in bimolecular recombination from 400 times to 1000 times relative to Langevin limit.
Journal ArticleDOI
Efficient Double- and Triple-Junction Nonfullerene Organic Photovoltaics and Design Guidelines for Optimal Cell Performance
Yuliar Firdaus,Carr Hoi Yi Ho,Yuanbao Lin,Emre Yengel,Vincent M. Le Corre,Mohamad Insan Nugraha,Emre Yarali,Franky So,Thomas D. Anthopoulos +8 more
TL;DR: In this article, the performance of multijunction devices lags behind single-junction organic photovoltaics (OPVs) mainly because of the lack of suitable subcells.
Journal ArticleDOI
Non‐Fused Polymerized Small Molecular Acceptors for Efficient All‐Polymer Solar Cells
Baoqi Wu,Yue Dong Zhang,Shizeng Tian,Jiyeon Oh,Mingqun Yang,Langheng Pan,Bingyan Yin,Changduk Yang,Chunhui Duan,Fei Huang,Yong Cao +10 more
TL;DR: In this paper , two polymer acceptors derived from non-fused small molecules, which possess synthetic simplicity, narrow optical bandgap, and high absorption coefficients, are reported for the first time.
Journal ArticleDOI
Wide Band Gap Photovoltaic Polymer Based on Pyrrolo[3,4-f]benzotriazole-5,7-dione (TzBI) with Ultrahigh VOC Beyond 1.25 V
Qingling Nie,Qingling Nie,Ailing Tang,Peiqing Cong,Lie Chen,Qianqian Zhang,Hongru Ji,Gongqiang Li,Qiang Guo,Erjun Zhou,Erjun Zhou +10 more
TL;DR: Pyrrolo[3,4-f]benzotriazole-5,7-dione (TzBI) is an effective electron-accepting (A) unit to construct photovoltaic polymers as discussed by the authors.
References
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Polymer photovoltaic cells : enhanced efficiencies via a network of internal donor-acceptor heterojunctions
TL;DR: In this paper, the carrier collection efficiency and energy conversion efficiency of polymer photovoltaic cells were improved by blending of the semiconducting polymer with C60 or its functionalized derivatives.
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Single-Junction Organic Solar Cell with over 15% Efficiency Using Fused-Ring Acceptor with Electron-Deficient Core
Jun Yuan,Yunqiang Zhang,Liuyang Zhou,Liuyang Zhou,Guichuan Zhang,Hin-Lap Yip,Tsz-Ki Lau,Xinhui Lu,Can Zhu,Can Zhu,Hongjian Peng,Paul A. Johnson,Mario Leclerc,Yong Cao,Jacek Ulanski,Yongfang Li,Yingping Zou +16 more
TL;DR: In this paper, a ladder-type electron-deficient core-based central fused ring (Dithienothiophen[3.2-b]- pyrrolobenzothiadiazole) with a benzothiadiadiazoles (BT) core was proposed to fine-tune its absorption and electron affinity.
Journal ArticleDOI
An electron acceptor challenging fullerenes for efficient polymer solar cells.
TL;DR: A novel non-fullerene electron acceptor (ITIC) that overcomes some of the shortcomings of fullerene acceptors, for example, weak absorption in the visible spectral region and limited energy-level variability, is designed and synthesized.
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Recent Advances in Bulk Heterojunction Polymer Solar Cells
Journal ArticleDOI
Organic and solution-processed tandem solar cells with 17.3% efficiency
Lingxian Meng,Yamin Zhang,Xiangjian Wan,Chenxi Li,Xin Zhang,Yanbo Wang,Xin Ke,Zuo Xiao,Liming Ding,Ruoxi Xia,Hin-Lap Yip,Yong Cao,Yongsheng Chen +12 more
TL;DR: In this article, a semi-empirical model analysis and using the tandem cell strategy to overcome the low charge mobility of organic materials, leading to a limit on the active-layer thickness and efficient light absorption was performed.