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Dithieno[3,2‐b:2′,3′‐d]pyrrol Fused Nonfullerene Acceptors Enabling Over 13% Efficiency for Organic Solar Cells
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Jia Sun Xiaoling Ma Zhuohan Zhang Jiangsheng Yu Jie Zhou Xinxing Yin Linqiang Yang Renyong Geng Rihong Zhu Fujun Zhang Weihua Tang 《Advanced materials (Deerfield Beach, Fla.)》2018,30(16)
A new electron‐rich central building block, 5,5,12,12‐tetrakis(4‐hexylphenyl)‐indacenobis‐(dithieno[3,2‐b:2′,3′‐d]pyrrol) (INP), and two derivative nonfullerene acceptors (INPIC and INPIC‐4F) are designed and synthesized. The two molecules reveal broad (600–900 nm) and strong absorption due to the satisfactory electron‐donating ability of INP. Compared with its counterpart INPIC, fluorinated nonfullerene acceptor INPIC‐4F exhibits a stronger near‐infrared absorption with a narrower optical bandgap of 1.39 eV, an improved crystallinity with higher electron mobility, and down‐shifted highest occupied molecular orbital and lowest unoccupied molecular orbital energy levels. Organic solar cells (OSCs) based on INPIC‐4F exhibit a high power conversion efficiency (PCE) of 13.13% and a relatively low energy loss of 0.54 eV, which is among the highest efficiencies reported for binary OSCs in the literature. The results demonstrate the great potential of the new INP as an electron‐donating building block for constructing high‐performance nonfullerene acceptors for OSCs. 相似文献
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Ordering Effects in Benzo[1,2‐b:4,5‐b′]difuran‐thieno[3,4‐c]pyrrole‐4,6‐dione Polymers with >7% Solar Cell Efficiency
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Julien Warnan Clément Cabanetos Abdulrahman El Labban Michael Ryan Hansen Christopher Tassone Michael F. Toney Pierre M. Beaujuge 《Advanced materials (Deerfield Beach, Fla.)》2014,26(25):4357-4362
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Organic Electronics: Towards Colorless Transparent Organic Transistors: Potential of Benzothieno[3,2‐b]benzothiophene‐Based Wide‐Gap Semiconductors (Adv. Mater. 19/2014)
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Hanul Moon Hyunsu Cho Mincheol Kim Kazuo Takimiya Seunghyup Yoo 《Advanced materials (Deerfield Beach, Fla.)》2014,26(19):3163-3163
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Bulky End‐Capped [1]Benzothieno[3,2‐b]benzothiophenes: Reaching High‐Mobility Organic Semiconductors by Fine Tuning of the Crystalline Solid‐State Order
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Guillaume Schweicher Vincent Lemaur Claude Niebel Christian Ruzié Ying Diao Osamu Goto Wen‐Ya Lee Yeongin Kim Jean‐Baptiste Arlin Jolanta Karpinska Alan R. Kennedy Sean R. Parkin Yoann Olivier Stefan C. B. Mannsfeld Jérôme Cornil Yves H. Geerts Zhenan Bao 《Advanced materials (Deerfield Beach, Fla.)》2015,27(19):3066-3072
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