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题名: A systematical investigation of non-fullerene solar cells based on diketopyrrolopyrrole polymers as electron donor
作者: Li, Cheng1; Zhang, Andong1; Feng, Guitao1; Yang, Fan1; Jiang, Xudong1; Yu, Yaping1; Xia, Dongdong1; Li, Weiwei1
关键词: Diketopyrrolopyrrole ; Non-fullerene solar cells ; Perylene diimide
刊名: ORGANIC ELECTRONICS
发表日期: 2016-08-01
卷: 35, 页:112-117
收录类别: SCI
英文摘要: Diketopyrrolopyrrole (DPP)-based conjugated polymers have been successfully applied in high performance field-effect transistors and fullerene-based solar cells, but show limited application in non-fullerene solar cells. In this work, we use four DPP polymers as electron donor and a perylene bisimide dye as electron acceptor to construct non-fullerene solar cells. The donors and acceptor have complementary absorption spectra in visible and near-infrared region, resulting in broad photo-response from 300 nm to 1000 nm. The solar cells were found to provide relatively low power conversion efficiencies of 1.6-2.6%, which was mainly due to low photocurrent and fill factor. Further investigation reveals that the low performance is originated from the high charge recombination in photo-active layers. Our systematical studies will help better understand the non-fullerene solar cells based on DPP polymers and inspire new researches toward efficient non-fullerene solar cells with broad photoresponse. (C) 2016 Elsevier B.V. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35791
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, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 10090, Peoples R China
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