Journal ArticleDOI
Asymmetric Nonfullerene Small Molecule Acceptors for Organic Solar Cells
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This article is published in Advanced Energy Materials.The article was published on 2019-07-01. It has received 182 citations till now. The article focuses on the topics: Organic solar cell & Small molecule.read more
Citations
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Non-fullerene acceptors with branched side chains and improved molecular packing to exceed 18% efficiency in organic solar cells
Chao Li,Jiadong Zhou,Jiali Song,Jinqiu Xu,Huotian Zhang,Xuning Zhang,Jing Guo,Lei Zhu,Donghui Wei,Guangchao Han,Jie Min,Yuan Zhang,Zengqi Xie,Yuanping Yi,He Yan,Feng Gao,Feng Liu,Yanming Sun +17 more
TL;DR: Li et al. as discussed by the authors showed that branched alkyl chains in non-fullerene acceptors allow favorable morphology in the active layer, enabling a certified device efficiency of 17.32% with a fill factor of 81.5% for single-junction organic solar cells.
Journal ArticleDOI
Fine-Tuning Energy Levels via Asymmetric End Groups Enables Polymer Solar Cells with Efficiencies over 17%
Zhenghui Luo,Ruijie Ma,Tao Liu,Jianwei Yu,Yiqun Xiao,Rui Sun,Guanshui Xie,Jun Yuan,Yuzhong Chen,Kai Chen,Gaoda Chai,Huiliang Sun,Jie Min,Jian Zhang,Yingping Zou,Chuluo Yang,Xinhui Lu,Feng Gao,He Yan,He Yan +19 more
TL;DR: In this article, the authors modified the end groups of BTP-4F from IC-2F to CPTCN-Cl to achieve near optimal energy level match, resulting in higher open-circuit voltage (VOC) and power conversion efficiency (PCE).
Journal ArticleDOI
Ternary Organic Solar Cells with Efficiency >16.5% Based on Two Compatible Nonfullerene Acceptors.
Jiali Song,Chao Li,Lei Zhu,Jing Guo,Jinqiu Xu,Xuning Zhang,Kangkang Weng,Kang-Ning Zhang,Jie Min,Xiaotao Hao,Yuan Zhang,Feng Liu,Yanming Sun +12 more
TL;DR: It is found that incorporation of 15% 3TP3T-4F into the PM6:Y6 blend results in facilitating exciton dissociation, increasing charge transport, and reducing trap-assisted recombination, which is responsible for the enlarged PCE.
Journal ArticleDOI
Precisely Controlling the Position of Bromine on the End Group Enables Well-Regular Polymer Acceptors for All-Polymer Solar Cells with Efficiencies over 15.
Zhenghui Luo,Zhenghui Luo,Tao Liu,Ruijie Ma,Yiqun Xiao,Lingling Zhan,Guangye Zhang,Huiliang Sun,Huiliang Sun,Fan Ni,Gaoda Chai,Junwei Wang,Cheng Zhong,Yang Zou,Xugang Guo,Xinhui Lu,Hongzheng Chen,He Yan,Chuluo Yang,Chuluo Yang +19 more
TL;DR: Morphological and device characterization reveals that the highest PCE for the PY-IT-based device is the fruit of enhanced absorption, more balanced charge transport, and favorable morphology.
Journal ArticleDOI
Asymmetric Electron Acceptors for High-Efficiency and Low-Energy-Loss Organic Photovoltaics.
Shuixing Li,Lingling Zhan,Yingzhi Jin,Guanqing Zhou,Tsz-Ki Lau,Ran Qin,Minmin Shi,Chang-Zhi Li,Haiming Zhu,Xinhui Lu,Fengling Zhang,Hongzheng Chen +11 more
TL;DR: This work provides an effective approach to simultaneously lower the energy loss and promote the charge separation of OPVs by molecular design strategy.
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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Polymer solar cells
TL;DR: In this article, a review summarizes recent progress in the development of polymer solar cells and provides a synopsis of major achievements in the field over the past few years, while potential future developments and the applications of this technology are also briefly discussed.
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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.