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题名: Dithienoindophenines: p-Type Semiconductors Designed by Quinoid Stabilization for Solar-Cell Applications
作者: Ren, Longbin1, 2; Fan, Haijun1; Huang, Dazhen1, 2; Yuan, Dafei1, 2; Di, Chong-an1; Zhu, Xiaozhang1, 2
关键词: organic solar cell ; organic thin-film transistors ; p-type semiconductors ; quinones ; thiophene
刊名: CHEMISTRY-A EUROPEAN JOURNAL
发表日期: 2016-11-21
卷: 22, 期:48, 页:17136-17140
收录类别: SCI
英文摘要: Compared with the dominant aromatic conjugated materials, photovoltaic applications of their quinoidal counterparts featuring rigid and planar molecular structures have long been unexplored despite their narrow optical bandgaps, large absorption coefficients, and excellent charge-transport properties. The design and synthesis of dithienoindophenine derivatives (DTIPs) by stabilizing the quinoidal resonance of the parent indophenine framework is reported here. Compared with the ambipolar indophenine derivatives, DTIPs with the fixed molecular configuration are found to be p-type semiconductors exhibiting excellent unipolar hole mobilities up to 0.22cm(2)V(-1)s(-1), which is one order of magnitude higher than that of the parent IP-O and is even comparable to that of QQT(CN)4-based single-crystal field-effect transistors (FET). DTIPs exhibit better photovoltaic performance than their aromatic bithieno[3,4-b]thiophene (BTT) counterparts with an optimal power-conversion efficiency (PCE) of 4.07%.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35703
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, CAS Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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