ICCAS OpenIR
Synthesis and Photovoltaic Properties of New Low Bandgap Isoindigo-Based Conjugated Polymers
Zhang, Guobing1; Fu, Yingying2; Xie, Zhiyuan2; Zhang, Qing1
2011-03-22
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume44Issue:6Pages:1414-1420
AbstractA series of new isoindigo-based low banbap polymers, containing thiophene, thieno[3,2-b]thiophene and benzo [1,2-b:4,5-b']dithiophene as donors, have been synthesized by Stille cross-coupling reaction. Their photophysical, electrochemical and photovoltaic properties have been investigated. These new polymers exhibit broad and strong absorption between 400 and 800 nm with absorption maxima around 700 nm. The HOMO energy levels of polymers vary between -5.20 and -5.49 eV and the LUMO energy levels range from -3.66 to -3.91 eV. The optical bandgaps of the polymers are optimized for solar cell applications and they are at about 1.5 eV. Polymer solar cells (PSC) based on these new polymers were fabricated with device structures of ITO/FEDOT:PSS/polymers: PC(71)BM (1:2, w/w)/LiP/Al. The photovoltaic properties of the polymers have been evaluated under AM 1.5G illumination at 100 mW/cm(2) with a solar simulator. The combination of broad absorption, optimal bandgap and well matched energy levels with those of PCBMs makes these isoindigo-based low bandbap polymers promising materials for photovoltaic applications.
DOI10.1021/ma102357b
Indexed BySCI
Language英语
WOS IDWOS:000288289700029
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:130[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71682
Collection中国科学院化学研究所
Corresponding AuthorZhang, Qing
Affiliation1.Shanghai Jiao Tong Univ, Dept Polymer Sci & Engn, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Guobing,Fu, Yingying,Xie, Zhiyuan,et al. Synthesis and Photovoltaic Properties of New Low Bandgap Isoindigo-Based Conjugated Polymers[J]. MACROMOLECULES,2011,44(6):1414-1420.
APA Zhang, Guobing,Fu, Yingying,Xie, Zhiyuan,&Zhang, Qing.(2011).Synthesis and Photovoltaic Properties of New Low Bandgap Isoindigo-Based Conjugated Polymers.MACROMOLECULES,44(6),1414-1420.
MLA Zhang, Guobing,et al."Synthesis and Photovoltaic Properties of New Low Bandgap Isoindigo-Based Conjugated Polymers".MACROMOLECULES 44.6(2011):1414-1420.
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