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Broad absorbing low-bandgap polythiophene derivatives incorporating separate and content-tunable benzothiadiazole and carbazole moieties for polymer solar cells
Shi, Fan1; Fang, Gang2; Liang, Fushun1; Wang, Lifen1; Mu, Zhongcheng1; Zhang, Xintong3; Xie, Zhiyuan2; Su, Zhongmin1
2010-08-01
Source PublicationEUROPEAN POLYMER JOURNAL
ISSN0014-3057
Volume46Issue:8Pages:1770-1777
AbstractThree novel low-bandgap (LGB) conjugated polythiophenes (PThBTD(m)Cz(n)) incorporating separate and content-tunable benzothiadiazole and carbazole moieties have been designed and synthesized for application in bulk heterojunction polymer solar cells (PSCs). The absorption spectral, thermal, electrochemical and photovoltaic properties of the random copolymers were investigated. Broad absorption from a single polymer covering the visible region from 300 to 800 nm was observed, which was ideal for highly efficient harvesting of the solar spectrum. DSC analysis showed that the polymers readily crystallized, indicating highly ordered intermolecular packing, which is beneficial for efficient charge-carrier transport. Electrochemical studies indicate desirable HOMO/LUMO levels that enable a high open-circuit voltage while blending them with fullerene derivatives as electron acceptors. Polymer solar cells using 1:1 or 1:2 wt/wt polymer: PC(61)BM (methanofullerene [6,6-phenyl C61-butyric acid methyl ester] blends as the photoactive layers were fabricated and characterized. The preliminary investigation on the photovoltaic device of the PThBTD(m)Cz(n) polymers gave similar power conversion efficiency of 1.1-1.2% with V(oc), of 0.64-0.68 V under simulated solar light AM 1.5 G (100 mW/cm(2)). (C) 2010 Elsevier Ltd. All rights reserved.
KeywordBroad Absorption Polythiophenes Polymer Solar Cells Content Tunable Random Polymers
DOI10.1016/j.eurpolymj.2010.05.001
Indexed BySCI
Language英语
WOS IDWOS:000280941400013
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69132
Collection中国科学院化学研究所
Corresponding AuthorLiang, Fushun
Affiliation1.NE Normal Univ, Dept Chem, Changchun 130024, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
3.NE Normal Univ, Minist Educ, Key Lab UV Emitting Mat & Technol, Changchun 130024, Peoples R China
Recommended Citation
GB/T 7714
Shi, Fan,Fang, Gang,Liang, Fushun,et al. Broad absorbing low-bandgap polythiophene derivatives incorporating separate and content-tunable benzothiadiazole and carbazole moieties for polymer solar cells[J]. EUROPEAN POLYMER JOURNAL,2010,46(8):1770-1777.
APA Shi, Fan.,Fang, Gang.,Liang, Fushun.,Wang, Lifen.,Mu, Zhongcheng.,...&Su, Zhongmin.(2010).Broad absorbing low-bandgap polythiophene derivatives incorporating separate and content-tunable benzothiadiazole and carbazole moieties for polymer solar cells.EUROPEAN POLYMER JOURNAL,46(8),1770-1777.
MLA Shi, Fan,et al."Broad absorbing low-bandgap polythiophene derivatives incorporating separate and content-tunable benzothiadiazole and carbazole moieties for polymer solar cells".EUROPEAN POLYMER JOURNAL 46.8(2010):1770-1777.
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