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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Balancing photovoltaic parameters to enhance device performance of fluorene-fused heptacyclic small-molecule acceptors through varying terminal groups and polymer donors
TL;DR: In this article, the authors employed electron-withdrawing fluorinated or chlorinated 1,1-dicyanomethylene-3-indanone (ICF or ICCl) as the terminal acceptor group to develop two acceptor-donor-acceptor (A-D-A) SMAs with an electron-rich fluorene-fused dithienocyclopentafluorene as the identical central donor core.
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Novel High-Efficiency Polymer Acceptors via Random Ternary Copolymerization Engineering Enables All-Polymer Solar Cells with Excellent Performance and Stability.
Dong Chen,Siqi Liu,Jiyeon Oh,Bin Huang,Bin Huang,Ruizhi Lv,Jiabin Liu,Changduk Yang,Lie Chen +8 more
TL;DR: In this paper, the authors combine the advantages of fluorinated bithiophene and rhodanine dye molecules to create low-cost diimide-based polymer acceptors by random copolymerization for achieving highly efficient and stable all-polymer solar cells.
Journal ArticleDOI
Structure evolution from D-A-D type small molecule toward D-A-D-A-D type oligomer for high-efficiency photovoltaic donor materials
Hao Xia,Xiaopeng Xu,Jiali Guo,Can Qian,Kai Zhang,Mengbing Zhu,Bin Zhang,Wenhong Peng,Qiang Peng,Weiguo Zhu +9 more
TL;DR: In this article, the influence of structure evolution on photovoltaic properties was investigated. And the authors showed that, by simply inserting a D-A repeat unit, 5BDTBDD showed more improved crystallization, absorption, mobility and morphology than 3BDTsBDD.
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Optimized Molecular Packing and Nonradiative Energy Loss Based on Terpolymer Methodology Combining Two Asymmetric Segments for High-Performance Polymer Solar Cells.
Xunchang Wang,Jianhua Han,Da Huang,Jianing Wang,Yuan Xie,Zhilin Liu,Yonghai Li,Chunming Yang,Yong Zhang,Zhicai He,Xichang Bao,Renqiang Yang +11 more
TL;DR: An outstanding terpolymer approach with backbone engineering is demonstrated to raise the hope of achieving even higher PCEs and to enrich organic photovoltaic materials reservoir.
Journal ArticleDOI
Non-fused-ring Asymmetrical Electron Acceptors Assembled by Multi- functional Alkoxy Indenothiophene Unit to Construct Efficient Organic Solar Cells
TL;DR: In this paper , a type of non-fused-ring asymmetric SMAs with an A-D-D'-A framework was designed and synthesized with a multifunctional alkoxy indenothiophene (INT) unit assembled with a classic dithienocyclopentadiene (DTC) unit as an electron-donating D-D' central build.
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.