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
TLDR
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.About:
This article is published in Joule.The article was published on 2019-04-17 and is currently open access. It has received 3513 citations till now. The article focuses on the topics: Organic solar cell & Acceptor.read more
Citations
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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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Over 16% efficiency organic photovoltaic cells enabled by a chlorinated acceptor with increased open-circuit voltages
Yong Cui,Huifeng Yao,Jianqi Zhang,Tao Zhang,Yuming Wang,Ling Hong,Kaihu Xian,Bowei Xu,Shaoqing Zhang,Shaoqing Zhang,Jing Peng,Zhixiang Wei,Feng Gao,Jianhui Hou +13 more
TL;DR: This study demonstrates that finely tuning the OPV materials to reduce the bandgap-voltage offset has great potential for boosting the efficiency and unexpectedly obtain higher open-circuit voltages and achieve a record high PCE of 16.5% by chlorination.
Journal ArticleDOI
Single-Junction Organic Photovoltaic Cells with Approaching 18% Efficiency.
Yong Cui,Huifeng Yao,Jianqi Zhang,Kaihu Xian,Tao Zhang,Ling Hong,Yuming Wang,Yuming Wang,Ye Xu,Kangqiao Ma,Cunbin An,Chang He,Zhixiang Wei,Zhixiang Wei,Feng Gao,Jianhui Hou +15 more
TL;DR: The results demonstrate that minimizing the alkyl chains to get suitable solubility and enhanced intermolecular packing has a great potential in further improving its photovoltaic performance.
Journal ArticleDOI
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
Single-Junction Organic Photovoltaic Cell with 19% Efficiency
Yong Cui,Ye Xu,Huifeng Yao,Pengqing Bi,Ling Hong,Jianqi Zhang,Yunfei Zu,Tao Zhang,Jinzhao Qin,Junzhen Ren,Zhihao Chen,Chang He,Xiaotao Hao,Zhixiang Wei,Zhixiang Wei,Jianhui Hou +15 more
TL;DR: In this paper, an active layer comprising a new widebandgap polymer donor named PBQx-TF and a new low-bandgap non-fullerene acceptor (NFA) named eC9-2Cl is rationally designed.
References
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Effect of Isomerization on High-Performance Nonfullerene Electron Acceptors
Jiayu Wang,Junxiang Zhang,Yiqun Xiao,Tong Xiao,Runyu Zhu,Cenqi Yan,Youquan Fu,Guanghao Lu,Xinhui Lu,Seth R. Marder,Xiaowei Zhan +10 more
TL;DR: Two isomeric fused-ring electron acceptors, FNIC1 and FNIC2, which have the same end-groups and side-chains, but isomerIC fused-nine-ring cores, are designed and synthesized, which are significantly higher than that of PTB7-Th:FNIC1-based devices.
Journal ArticleDOI
High Performance All-Polymer Solar Cell via Polymer Side-Chain Engineering
Yan Zhou,Tadanori Kurosawa,Wei Ma,Yikun Guo,Lei Fang,Koen Vandewal,Ying Diao,Ying Diao,Chenggong Wang,Qifan Yan,Julia Reinspach,Julia Reinspach,Jianguo Mei,Anthony L. Appleton,Ghada I. Koleilat,Yongli Gao,Stefan C. B. Mannsfeld,Alberto Salleo,Harald Ade,Dahui Zhao,Zhenan Bao +20 more
TL;DR: Acknowledge support from the Office of Naval Research (N00014-14-1-0142), KAUST Center for Advanced Molecular Photovoltaics at Stanford and the Stanford Global Climate and Energy Program, NSF DMR-1303742 and the National Natural Science Foundation of China.
Journal ArticleDOI
"Conformation locked" strong electron-deficient poly(p-phenylene vinylene) derivatives for ambient-stable n-type field-effect transistors: synthesis, properties, and effects of fluorine substitution position.
TL;DR: This work develops two poly(p-phenylene vinylene) derivatives (PPVs), FBDPPV-1 and FBDOPV-2, for high-performance n-type polymer FETs, with low LUMO levels down to -4.38 eV and the introduction of the fluorine atoms effectively lowers the LumO levels of both polymers.
Journal ArticleDOI
Fine-Tuning of Molecular Packing and Energy Level through Methyl Substitution Enabling Excellent Small Molecule Acceptors for Nonfullerene Polymer Solar Cells with Efficiency up to 12.54
Zhenghui Luo,Zhenghui Luo,Haijun Bin,Tao Liu,Zhi-Guo Zhang,Yankang Yang,Cheng Zhong,Beibei Qiu,Guanghao Li,Wei Gao,Dongjun Xie,Kailong Wu,Yanming Sun,Feng Liu,Yongfang Li,Chuluo Yang,Chuluo Yang +16 more
TL;DR: A novel small molecule acceptor MeIC with a methylated end-capping group is developed, which exhibits a higher lowest unoccupied molecular orbital (LUMO) level value, tighter molecular packing, better crystallites quality, and stronger absorption in the range of 520-740 nm.
Journal ArticleDOI
Bulk Heterojunction Solar Cells with Large Open‐Circuit Voltage: Electron Transfer with Small Donor‐Acceptor Energy Offset
Xiong Gong,Minghong Tong,Fulvio G. Brunetti,Jung Hwa Seo,Yanming Sun,Daniel Moses,Fred Wudl,Alan J. Heeger +7 more
TL;DR: The discovery of new (non-fullerene) electron acceptors with higher LUMOs remains undeveloped, and BHJ solar cells fabricated by semiconducting polymers with deeper HOMOs have successfully exhibited larger V oc.