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题名: Naphthodithieno[3,2-b]thiophene-based donor-acceptor copolymers: Synthesis, characterization, and their photovoltaic and charge transport properties
作者: Zhang, Weifeng1; Shi, Keli1; Zhou, Weilong2; Li, Zhaoguang3, 4; Chen, Zhihui1; Xu, Jie1; Yan, Donghang5; Han, Yanchun5; Wong, Man Shing3, 4; Li, Fenghong2; Yu, Gui1
关键词: Naphthodithieno[3,2-b]thiophenes ; Isoindigos ; Copolymers ; Photovoltaic properties ; Charge transport properties
刊名: DYES AND PIGMENTS
发表日期: 2016-08-01
卷: 131, 页:1-8
收录类别: SCI
英文摘要: Herein, we report the synthesis, characterization, and their photovoltaic and field-effect properties of two dialkoxyl-substituted naphthodithieno[3,2-b]thiophene (NDTT)-based copolymers, namely P1 and P2. The NDTT-based copolymers exhibit broad absorption profiles throughout the visible spectrum up to ca. 800 nm. The copolymers have HOMO/LUMO energy levels of ca. -5.14 eV/-3.52 eV. The dialkoxyl-substituted NDTT units endow the copolymers with enhanced solution processability, and crystalline stacking thin films with small pi-pi distances of down to 3.59 angstrom. Polymer-fullerene bulk heterojunction solar cells that fabricated from a blend of P2/PC71BM using diiodooctane as a solvent additive, afforded the highest power conversion efficiency of 3.54%. Solution-processed polymer field-effect transistors based on P1 with bottom-gate bottom-contact geometry exhibited promising hole mobilities of 0.070 cm(2) V-1 s(-1). (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35748
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, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
3.Hong Kong Baptist Univ, Inst Mol Funct Mat, Dept Chem, Kowloon Tong, Hong Kong, Peoples R China
4.Hong Kong Baptist Univ, Inst Adv Mat, Kowloon Tong, Hong Kong, Peoples R China
5.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
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