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题名: Synthesis and Photovoltaic Properties of Polythiophene Incorporating with 3,4-Difluorothiophene Units
作者: Huang, Linquan1, 2;  Yang, Dong1, 2;  Gao, Qiang1, 2;  Liu, Yan1;  Lu, Shengmei1;  Zhang, Jian1;  Li, Can1
关键词: polythiophene derivatives ;  3 ;  4-difluorothiophene ;  polymer solar cell ;  open-circuit voltage
刊名: CHINESE JOURNAL OF CHEMISTRY
发表日期: 2013-11-01
DOI: 10.1002/cjoc.201300505
卷: 31, 期:11, 页:1385-1390
收录类别: SCI ;  IC
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Two polythiophene derivatives using fluorine atoms and hexyl or hexyloxy group as electron-withdrawing and donating substituents have been synthesized. The introduction of fluorine atoms to the polythiophene backbones simultaneously lowers the HOMO and narrows the bandgap, and the stronger electron-donating ability of hexyloxy side chain further reduces the bandgap. As a result, poly[3-hexylthiophene-2,5-diyl-alt-3,4-difluorothiophene] (PHTDFT) shows HOMO and bandgap of -5.31/1.83 eV and poly[3,4-dihexyloxythiophene-2,5-diyl-alt-3,4-difluorothiophene] (PDHOTDFT) shows HOMO and bandgap of -5.14/1.68 eV, both are lower than -4.76/2.02 eV of P3HT. Benefiting from the lower HOMO, PHTDFT:PC61BM (1:1) polymer solar cells obtain a power conversion efficiency of 1.11% and an impressed open-circuit voltage of 0.79 V under solar illumination AM1.5 (100 mW/cm(2)).
关键词[WOS]: POLYMER SOLAR-CELLS ;  OPEN-CIRCUIT VOLTAGE ;  TO-ROLL FABRICATION ;  POLY(3-HEXYLTHIOPHENE)/INDENE-C70 BISADDUCT ;  CONDUCTING POLYMERS ;  CONJUGATED POLYMER ;  MOLECULAR-WEIGHT ;  PERFORMANCE ;  EFFICIENCY ;  DERIVATIVES
语种: 英语
WOS记录号: WOS:000330180700004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137785
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Huang, Linquan,Yang, Dong,Gao, Qiang,et al. Synthesis and Photovoltaic Properties of Polythiophene Incorporating with 3,4-Difluorothiophene Units[J]. CHINESE JOURNAL OF CHEMISTRY,2013,31(11):1385-1390.
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