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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Approaching 16% Efficiency in All-Small-Molecule Organic Solar Cells Based on Ternary Strategy with a Highly Crystalline Acceptor
Li Nian,Yuanyuan Kan,Ke Gao,Ming Zhang,Na Li,Guanqing Zhou,Sae Byeok Jo,Xueliang Shi,Francis Lin,Qikun Rong,Feng Liu,Guofu Zhou,Alex K.-Y. Jen,Alex K.-Y. Jen +13 more
TL;DR: In this paper, the authors used 4TIC as the additional non-fullerene acceptor (NFA) to construct ternary organic solar cells (SM-OSCs) with high power conversion efficiency (PCE) of 15.88%.
Journal ArticleDOI
Molecular design of a non-fullerene acceptor enables a P3HT-based organic solar cell with 9.46% efficiency
Chenyi Yang,Chenyi Yang,Shaoqing Zhang,Shaoqing Zhang,Junzhen Ren,Mengyuan Gao,Pengqing Bi,Long Ye,Jianhui Hou,Jianhui Hou +9 more
TL;DR: In this paper, a new NFA was designed and synthesized by modifying the cyano-substituted end groups in BTP-4Cl, which exhibits a significantly improved power conversion efficiency (PCE) of ∼9.5%.
Journal ArticleDOI
A Quinoxaline-Based D-A Copolymer Donor Achieving 17.62% Efficiency of Organic Solar Cells.
Can Zhu,Lei Meng,Jinyuan Zhang,Shucheng Qin,Wenbin Lai,Beibei Qiu,Jun Yuan,Yan Wan,Wenchao Huang,Wenchao Huang,Yongfang Li,Yongfang Li +11 more
TL;DR: In this paper, two D-A copolymers, PBQ5 and PBQ6, were designed and synthesized based on bithienyl-benzodithiophene (BDTT) as the donor unit, difluoroquinoxaline (DFQ) with different side chains as the acceptor (A) unit, and thiophene as the π-bridges.
Journal ArticleDOI
Fine-tuning of side-chain orientations on nonfullerene acceptors enables organic solar cells with 17.7% efficiency
Gaoda Chai,Yuan Chang,Jianquan Zhang,Xiaopeng Xu,Liyang Yu,Xinhui Zou,Xiaojun Li,Yuzhong Chen,Siwei Luo,Binbin Liu,Fujin Bai,Zhenghui Luo,Han Yu,Jiaen Liang,Tao Liu,Kam Sing Wong,Hang Zhou,Qiang Peng,He Yan,He Yan +19 more
TL;DR: In this paper, the authors investigated the influence of the orientation of side chains on the properties of non-fullerene acceptors and the performance of organic solar cells (OSCs) and showed that the optimal side-chain orientation can be achieved by the meta-positioned hexylphenyl group (of the m-BTP-PhC6 molecule), which introduces significant beneficial effects on optical absorption, intermolecular packing and phase separation of the NFAs.
Journal ArticleDOI
Optimized Active Layer Morphologies via Ternary Copolymerization of Polymer Donors for 17.6 % Efficiency Organic Solar Cells with Enhanced Fill Factor
Xia Guo,Qunping Fan,Jingnan Wu,Guangwei Li,Zhongxiang Peng,Wenyan Su,Ji Lin,Lintao Hou,Yunpeng Qin,Harald Ade,Long Ye,Maojie Zhang,Yongfang Li,Yongfang Li +13 more
TL;DR: A simple but effective approach to optimize blend morphologies of OSCs for higher photovoltaic performance by carefully incorporating the third 5,5'-dithienyl-2,2'-bithiazole (DTBTz) unit into the molecular backbone of PM6 (PM6-Tz00).
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.