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Thiophene pi-bridge effect on photovoltaic performances of dithienosilole and bithiazole backboned polymers
Zheng, Huilin1,2; Gu, Chuantao2,3; Zhu, Qianqian4; Bao, Xichang2; Wen, Shuguang2; Qiu, Meng2; Zhu, Dangqiang2,3; Sun, Mingliang1; Yang, Renqiang2
2015-12-10
发表期刊JOURNAL OF APPLIED POLYMER SCIENCE
卷号132期号:46
摘要In this article, two dithienosilole (DTS) and bithiazole (BTz) backboned donor-acceptor (D-A) copolymers with (poly{5-(5-(4,4-bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophen-2-yl)thiophen-2-yl)-4,4'-dinonyl-5'-(thiophen-2-yl)-2,2'-bithiazole} (PDTS-DTBTz)) and without (poly{5-(4,4-bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophen-2-yl)-4,4'-dinonyl-2,2'-bithiazole} (PDTS-BTz)) thiophene -bridge were synthesized to study the influence of thiophene -bridge on their photovoltaic performances. Both polymers show similar band gap, but polymer with thiophene -bridge (PDTS-DTBTz) has a higher molecular weight, narrower polydispersity index (PDI), more planar geometry, higher crystallinity, higher hole mobility, and better miscibility with fullerene (polymer solar cells (PSCs) acceptor). Although PDTS-BTz polymer based PSCs devices show higher open circuit voltage (V-oc), PDTS-DTBTz polymer does show higher power conversion efficiency (PCE) with improved short circuit current density (J(sc)) and fill factor (FF). The present results indicate that thiophene -bridge does contribute to the PSCs performances of dithienosilole and bithiazole backboned copolymer. (c) 2015 Wiley Periodicals, Inc.
文章类型Article
关键词Morphology Optical And Photovoltaic Applications Optical Properties X-ray
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/APP.42798
关键词[WOS]CONTAINING CYCLOPENTADITHIOPHENE POLYMER ; DONOR-ACCEPTOR COPOLYMERS ; D-A COPOLYMERS ; SOLAR-CELLS ; MOLECULAR-WEIGHT ; EFFICIENCY ; POLYTHIOPHENE ; BANDGAP ; DESIGN
收录类别SCI
语种英语
WOS研究方向Polymer Science
WOS类目Polymer Science
WOS记录号WOS:000361039900021
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6491
专题先进有机功能材料团队
作者单位1.Ocean Univ China, Inst Mat Sci & Engn, Qingdao 266100, Shandong, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Qingdao Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266042, Peoples R China
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Zheng, Huilin,Gu, Chuantao,Zhu, Qianqian,et al. Thiophene pi-bridge effect on photovoltaic performances of dithienosilole and bithiazole backboned polymers[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2015,132(46).
APA Zheng, Huilin.,Gu, Chuantao.,Zhu, Qianqian.,Bao, Xichang.,Wen, Shuguang.,...&Yang, Renqiang.(2015).Thiophene pi-bridge effect on photovoltaic performances of dithienosilole and bithiazole backboned polymers.JOURNAL OF APPLIED POLYMER SCIENCE,132(46).
MLA Zheng, Huilin,et al."Thiophene pi-bridge effect on photovoltaic performances of dithienosilole and bithiazole backboned polymers".JOURNAL OF APPLIED POLYMER SCIENCE 132.46(2015).
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