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ICCAS OpenIR  > 分子纳米结构与纳米技术实验室  > 期刊论文
题名: High-Performance Electron Acceptor with Thienyl Side Chains for Organic Photovoltaics
作者: Lin, Yuze1, 2, 3; Zhao, Fuwen3; He, Qiao1; Huo, Lijun4; Wu, Yang5; Parker, Timothy C.6, 7; Ma, Wei5; Sun, Yanming4; Wang, Chunru3; Zhu, Daoben3; Heeger, Alan J.4; Marder, Seth R.6, 7; Zhan, Xiaowei1
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
发表日期: 2016-04-13
卷: 138, 期:14, 页:4955-4961
收录类别: SCI
英文摘要: We develop an efficient fused-ring electron acceptor (ITIC-Th) based on indacenodithieno [3,2-b]-thiophene core and thienyl side-chains for organic solar cells (OSCs). Relative to its counterpart with phenyl side-chains (ITIC), ITIC-Th shows lower energy levels (ITIC-Th: HOMO = -5.66 eV, LUMO =-3.93 eV; ITIC: HOMO = -5.48 eV, LUMO =-3.83 eV) due to the a-inductive effect of thienyl side-chains, which can match with high-performance narrow-band-gap polymer donors and wide-band-gap polymer donors. ITIC-Th has higher electron mobility (6.1 X 10(-4) cm(2) V-1 s(-1)) than ITIC (2.6 X 10(-4) cm(2) V-1 s(-1)) due to enhanced intermolecular interaction induced by sulfur-sulfur interaction. We fabricate OSCs by blending ITIC-Th acceptor with two different low-band-gap and wide-band-gap polymer donors. In one case, a power conversion efficiency of 9.6% was observed, which rivals some of the highest efficiencies for single junction OSCs based on fullerene acceptors.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36028
Appears in Collections:分子纳米结构与纳米技术实验室_期刊论文

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作者单位: 1.Peking Univ, Minist Educ, Key Lab Polymer Chem & Phys, Coll Engn,Dept Mat Sci & Engn, Beijing 100871, Peoples R China
2.Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
4.Beihang Univ, Sch Chem & Environm, Heeger Beijing Res & Dev Ctr, Beijing 100191, Peoples R China
5.Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
6.Georgia Inst Technol, Sch Chem & Biochem, Atlanta, GA 30332 USA
7.Georgia Inst Technol, Ctr Organ Photon & Elect, Atlanta, GA 30332 USA
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