Side Chain Engineering of Naphthalene Diimide-Bithiophene-Based Polymer Acceptors in All-Polymer Solar Cells
Wu, X; Tang, YM; Wang, YX; Liu, XY; Liu, CM; Zhang, XN; Yang, YG; Gao, XY; Chen, F; Guo, XG; Chen, ZK
2017
发表期刊JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
ISSN0887-624X
卷号55期号:22页码:3679-3689
文章类型期刊论文
摘要Two novel polymeric acceptors based on naphthalene diimide (NDI) and 2.2'-bithiophene, named as P(NDI2THD-T2) and P(NDI2TOD-T2), were designed and synthesized for all polymer solar cells application. The structural and electronic properties of the two acceptors were modulated through side-chain engineering of the NDI units. The optoelectronic properties of the polymers and the morphologies of the blend films composed of the polymer acceptors and a donor polymer PTB7-Th were systemically investigated. With thiophene groups introduced into the side chains of the NDI units, both polymers showed wider absorption from 350 nm to 900 nm, compared with the reference polymer acceptor of N2200. No redshift of absorption spectra from solutions to films indicated reduced aggregation of the polymers due to the steric hindrance effect of thiophene rings in the side chains. The photovoltaic performance were characterized for devices in a configuration of ITO/PEDOT:PSS/PTB7-Th:acceptors/2,9-bis(3-(dimethylamino)propyl)anthra[2,1,9-def:6,5,10-def]diisoquinoline-1,3,8,10(2H,9H)-tetraone (PDIN)/Al. With the addition of diphenyl ether as an additive, the power conversion efficiencies (PCEs) of 2.73% and 4.75% for P(NDI2THD-T2) and P(NDI2TOD-T2) based devices were achieved, respectively. The latter showed improved J(sc), Fill Factor (FF), and PCE compared with N2200 based devices. (C) 2017 Wiley Periodicals, Inc.
关键词Power Conversion Efficiency High-performance Organic Electronics Thermal-stability Perylene Diimides Additive-free Donor Copolymer Semiconductors Morphology
DOI10.1002/pola.28753
关键词[WOS]POWER CONVERSION EFFICIENCY ; HIGH-PERFORMANCE ; ORGANIC ELECTRONICS ; THERMAL-STABILITY ; PERYLENE DIIMIDES ; ADDITIVE-FREE ; DONOR ; COPOLYMER ; SEMICONDUCTORS ; MORPHOLOGY
收录类别SCI
语种英语
WOS记录号WOS:000412299600002
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28814
专题中科院上海应用物理研究所2011-2018年
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Wu, X,Tang, YM,Wang, YX,et al. Side Chain Engineering of Naphthalene Diimide-Bithiophene-Based Polymer Acceptors in All-Polymer Solar Cells[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2017,55(22):3679-3689.
APA Wu, X.,Tang, YM.,Wang, YX.,Liu, XY.,Liu, CM.,...&Chen, ZK.(2017).Side Chain Engineering of Naphthalene Diimide-Bithiophene-Based Polymer Acceptors in All-Polymer Solar Cells.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,55(22),3679-3689.
MLA Wu, X,et al."Side Chain Engineering of Naphthalene Diimide-Bithiophene-Based Polymer Acceptors in All-Polymer Solar Cells".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 55.22(2017):3679-3689.
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