Synthesis and Photovoltaic Properties of a Poly(2,7-carbazole) Derivative Based on Dithienosilole and Benzothiadiazole

A low bandgap poly(2,7‐carbazole) derivative PCDSBT containing dithienosilole and benzothiadiazole is synthesized by Stille polymerization. The incorporation of dithienosilole and carbazole causes PCDSBT to have a broad absorption from 350 to 800 nm and a relatively low HOMO level. Solar cell device...

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Veröffentlicht in:Macromolecular chemistry and physics 2011-06, Vol.212 (11), p.1109-1114
Hauptverfasser: Zhou, Jiaoyan, Wan, Xiangjian, Liu, Yongsheng, Wang, Fei, Long, Guankui, Li, Chenxi, Chen, Yongsheng
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container_end_page 1114
container_issue 11
container_start_page 1109
container_title Macromolecular chemistry and physics
container_volume 212
creator Zhou, Jiaoyan
Wan, Xiangjian
Liu, Yongsheng
Wang, Fei
Long, Guankui
Li, Chenxi
Chen, Yongsheng
description A low bandgap poly(2,7‐carbazole) derivative PCDSBT containing dithienosilole and benzothiadiazole is synthesized by Stille polymerization. The incorporation of dithienosilole and carbazole causes PCDSBT to have a broad absorption from 350 to 800 nm and a relatively low HOMO level. Solar cell devices fabricated by blending PCDSBT with [6,6]‐phenyl‐C61‐butyric acid methyl ester (PC61BM) at a 1:2 weight ratio in a mixed solvent of 3% (by volume), 1,8‐diiodooctane, and 97% dichlorobenzene lead to a power conversion efficiency of 1.65% under the illumination of AM 1.5G (100 mW · cm−2). A poly(2,7‐carbazole) derivative PCDSBT with dithienosilole and benzothiadiazole is designed and synthesized. PCDSBT has a narrow bandgap and a relatively low HOMO level. A power conversion efficiency of 1.65% is achieved for this polymer when 1,8‐diiodooctane is used as an additive.
doi_str_mv 10.1002/macp.201100060
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Chem. Phys</addtitle><description>A low bandgap poly(2,7‐carbazole) derivative PCDSBT containing dithienosilole and benzothiadiazole is synthesized by Stille polymerization. The incorporation of dithienosilole and carbazole causes PCDSBT to have a broad absorption from 350 to 800 nm and a relatively low HOMO level. Solar cell devices fabricated by blending PCDSBT with [6,6]‐phenyl‐C61‐butyric acid methyl ester (PC61BM) at a 1:2 weight ratio in a mixed solvent of 3% (by volume), 1,8‐diiodooctane, and 97% dichlorobenzene lead to a power conversion efficiency of 1.65% under the illumination of AM 1.5G (100 mW · cm−2). A poly(2,7‐carbazole) derivative PCDSBT with dithienosilole and benzothiadiazole is designed and synthesized. PCDSBT has a narrow bandgap and a relatively low HOMO level. 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Photoelectrochemical cells</topic><topic>Solar energy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Jiaoyan</creatorcontrib><creatorcontrib>Wan, Xiangjian</creatorcontrib><creatorcontrib>Liu, Yongsheng</creatorcontrib><creatorcontrib>Wang, Fei</creatorcontrib><creatorcontrib>Long, Guankui</creatorcontrib><creatorcontrib>Li, Chenxi</creatorcontrib><creatorcontrib>Chen, Yongsheng</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Macromolecular chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhou, Jiaoyan</au><au>Wan, Xiangjian</au><au>Liu, Yongsheng</au><au>Wang, Fei</au><au>Long, Guankui</au><au>Li, Chenxi</au><au>Chen, Yongsheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and Photovoltaic Properties of a Poly(2,7-carbazole) Derivative Based on Dithienosilole and Benzothiadiazole</atitle><jtitle>Macromolecular chemistry and physics</jtitle><addtitle>Macromol. Chem. Phys</addtitle><date>2011-06-01</date><risdate>2011</risdate><volume>212</volume><issue>11</issue><spage>1109</spage><epage>1114</epage><pages>1109-1114</pages><issn>1022-1352</issn><eissn>1521-3935</eissn><abstract>A low bandgap poly(2,7‐carbazole) derivative PCDSBT containing dithienosilole and benzothiadiazole is synthesized by Stille polymerization. The incorporation of dithienosilole and carbazole causes PCDSBT to have a broad absorption from 350 to 800 nm and a relatively low HOMO level. Solar cell devices fabricated by blending PCDSBT with [6,6]‐phenyl‐C61‐butyric acid methyl ester (PC61BM) at a 1:2 weight ratio in a mixed solvent of 3% (by volume), 1,8‐diiodooctane, and 97% dichlorobenzene lead to a power conversion efficiency of 1.65% under the illumination of AM 1.5G (100 mW · cm−2). A poly(2,7‐carbazole) derivative PCDSBT with dithienosilole and benzothiadiazole is designed and synthesized. PCDSBT has a narrow bandgap and a relatively low HOMO level. 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source Wiley-Blackwell Journals
subjects Applied sciences
carbazole
dithienosilole
Energy
Exact sciences and technology
Natural energy
Organic polymers
photochemistry
Photovoltaic conversion
Physicochemistry of polymers
polymer bulk heterojunction solar cells
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
Solar cells. Photoelectrochemical cells
Solar energy
title Synthesis and Photovoltaic Properties of a Poly(2,7-carbazole) Derivative Based on Dithienosilole and Benzothiadiazole
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