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Donor-acceptor copolymers based on benzo [1,2-b:4,5-b '] and pyrene-fused phenazine for high-performance polymer solar cells
Fan, Qunping1; Liu, Yu1; Xiao, Manjun1; Tan, Hua1; Wang, Yafei1; Su, Wenyan1; Yu, Delong1; Yang, Renqiang2; Zhu, Weiguo1
2014-11-01
Source PublicationORGANIC ELECTRONICS
Volume15Issue:11Pages:3375-3383
AbstractTwo novel donor-acceptor (D-A)-type conjugated polymers of PTTPPz-BDT and PTTPPz-BDTT were successfully synthesized by Stille coupling polymerization, in which 7,8-dialkoxy benzo[1,2-b:4,5-b']dithiophene (BDT) and 7,8-bithienyl benzo[1,2-b:4,5-b']dithiophene (BDTT) were used as donor units, thiophene and pyrene-fused phenazine (PPz) were employed as pi-bridges and acceptor units, respectively. High carrier mobilities, broad absorption spectra, narrow optical band gaps, and low HOMO energy levels were observed for both polymers. Furthermore, high-efficiency photovoltaic performance with power conversion efficiency (PCE) over 4.25% was exhibited in their polymer solar cells (PSCs) using [6,6]-phenyl-C-71-butyric-acid-methyl-ester (PC71BM) as acceptor. The maximum PCE of 4.86% with short-circuit current density of 11.10 mA cm(-2) and fill factor of 62.5% was obtained in the PTTPPz-BDTT based cell. These results indicate that incorporating large planar PPz moiety into D-A-type copolymer is an efficient approach to improve photovoltaic performance for PSCs. (C) 2014 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordPolymer Solar Cells Pyrene Benzo[1 Phenazine 2-b:4 Donor-acceptor 5-b ']Dithiophene
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1016/j.orgel.2014.09.019
WOS KeywordPOWER-CONVERSION EFFICIENCY ; ORGANIC PHOTOVOLTAIC CELLS ; FIELD-EFFECT TRANSISTORS ; LOW-BANDGAP POLYMER ; CONJUGATED POLYMERS ; MOLECULAR DESIGN ; QUINOXALINE ; DIKETOPYRROLOPYRROLE ; SINGLE ; UNIT
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000344424500094
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/6111
Collection先进有机功能材料研究组
Affiliation1.Xiangtan Univ, Coll Chem, Minist Educ, Key Lab Environm Friendly Chem & Applicat, Xiangtan 411105, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
Recommended Citation
GB/T 7714
Fan, Qunping,Liu, Yu,Xiao, Manjun,et al. Donor-acceptor copolymers based on benzo [1,2-b:4,5-b '] and pyrene-fused phenazine for high-performance polymer solar cells[J]. ORGANIC ELECTRONICS,2014,15(11):3375-3383.
APA Fan, Qunping.,Liu, Yu.,Xiao, Manjun.,Tan, Hua.,Wang, Yafei.,...&Zhu, Weiguo.(2014).Donor-acceptor copolymers based on benzo [1,2-b:4,5-b '] and pyrene-fused phenazine for high-performance polymer solar cells.ORGANIC ELECTRONICS,15(11),3375-3383.
MLA Fan, Qunping,et al."Donor-acceptor copolymers based on benzo [1,2-b:4,5-b '] and pyrene-fused phenazine for high-performance polymer solar cells".ORGANIC ELECTRONICS 15.11(2014):3375-3383.
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