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Low bandgap copolymer of 1,4-diketopyrrolo[3,4-c]pyrrole and thieno[3,2-b]thiophene: Synthesis and applications in polymer solar cells and field-effect transistors
Min, Jie1,2; Peng, Bo1; Wen, Yugen1; Zhang, Zhi-Guo1; Zhang, Maojie1; Zhang, Jing1; Xie, Qiang2; Liu, Yunqi1; Li, Yongfang1
2011-09-01
Source PublicationSYNTHETIC METALS
ISSN0379-6779
Volume161Issue:17-18Pages:1832-1837
AbstractA new conjugated polymer, poly(3,6-dihexyl-thieno[3,2-b]thiophenyl-2,5-diyl-alt-2,5-di(2-ethylhexyl)-3,6-bis(thien-2,5-diyl)-pyrrolo[3,4-c]-pyrrole-1,4-dione)(DH-PTTDPP) was synthesized by Pd-catalyzed Stille-coupling method. The thermal, absorption, electrochemical, photovoltaic properties, and field-effect charge transport of the polymer were examined. The polymer is soluble in common organic solvents and possesses a broad absorption band covering from 500 nm to 900 nm with an optical bandgap of 1.33 eV. Field-effect transistors (FETs) based on DH-PTTDPP thin film showed a hole mobility of 2.5 x 10(-3) cm(2) V(-1) s(-1) with an on/off ratio of 10(5), which is among the high values for the conjugated polymers. Polymer solar cells (PSCs) based on DH-PTTDPP/PC(70)BM (1:1.5, w/w) demonstrated a power conversion efficiency of 1.90% under the illumination of AM 1.5, 100 mW cm(-2). These results indicate that DH-PTTDPP is an attractive polymer semiconductor for the applications in FETs and PSCs. (C) 2011 Elsevier B.V. All rights reserved.
KeywordLow Bandgap Polymers Polymer Solar Cells Organic Field Effect Transistors 1 4-diketopyrrolo[3 4-c]Pyrrole-based Polymers
DOI10.1016/j.synthmet.2011.06.015
Indexed BySCI
Language英语
WOS IDWOS:000295564000008
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71332
Collection中国科学院化学研究所
Corresponding AuthorLi, Yongfang
Affiliation1.Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
2.China Univ Min & Technol, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Min, Jie,Peng, Bo,Wen, Yugen,et al. Low bandgap copolymer of 1,4-diketopyrrolo[3,4-c]pyrrole and thieno[3,2-b]thiophene: Synthesis and applications in polymer solar cells and field-effect transistors[J]. SYNTHETIC METALS,2011,161(17-18):1832-1837.
APA Min, Jie.,Peng, Bo.,Wen, Yugen.,Zhang, Zhi-Guo.,Zhang, Maojie.,...&Li, Yongfang.(2011).Low bandgap copolymer of 1,4-diketopyrrolo[3,4-c]pyrrole and thieno[3,2-b]thiophene: Synthesis and applications in polymer solar cells and field-effect transistors.SYNTHETIC METALS,161(17-18),1832-1837.
MLA Min, Jie,et al."Low bandgap copolymer of 1,4-diketopyrrolo[3,4-c]pyrrole and thieno[3,2-b]thiophene: Synthesis and applications in polymer solar cells and field-effect transistors".SYNTHETIC METALS 161.17-18(2011):1832-1837.
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