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题名: Efficiency enhancement of P3HT:PCBM polymer solar cells using oligomers DH4T as the third component
作者: Fu, Ping1, 2, 4;  Yang, Dong1, 2, 4;  Zhang, Fujun3;  Yu, Wei1, 2, 4;  Zhang, Jian1, 2;  Li, Can1, 2
关键词: ternary polymer solar cells ;  P3HT:PC61BM ;  oligomer ;  mobility ;  balanced charge carrier transportation
刊名: SCIENCE CHINA-CHEMISTRY
发表日期: 2015-07-01
DOI: 10.1007/s11426-015-5328-7
卷: 58, 期:7, 页:1169-1175
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: We assembled a ternary blend bulk heterojunction polymer solar cell (PSCs) containing P3HT (donor) and PC61BM (acceptor) incorporated with a small molecule oligomer, dihexyl-quaterthiophene (DH4T) as a third component. By optimizing the contents of DH4T, we increased the power conversion efficiency of ternary P3HT: DH4T: PC61BM PSCs to 4.17% from 3.44% of binary P3HT: PC61BM PSCs under AM 1.5 G of 100 mW/cm(2) intensity. The major improvement is from the increase of the short circuit current and fill factor that is due to the increased light absorption at short wavelength, the balanced charge carrier transportation and the enhanced hole evacuation by a DH4T-enriched layer at the anode interface. In this work, we demonstrated that the efficiency of the PSCs can be enhanced by using low-bandgap conjugated polymer and its oligomer as donors and fullerene derivatives as acceptors.
关键词[WOS]: THIN-FILM TRANSISTORS ;  ORGANIC PHOTOVOLTAIC DEVICES ;  FIELD-EFFECT TRANSISTORS ;  BUFFER LAYER ;  PERFORMANCE ;  P3HT/PCBM ;  BLEND ;  POLY(3-HEXYLTHIOPHENE) ;  METHANOFULLERENE ;  ORGANIZATION
语种: 英语
WOS记录号: WOS:000357419200011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146352
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Minist Educ, Key Lab Luminescence & Opt Informat, Beijing 100044, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Fu, Ping,Yang, Dong,Zhang, Fujun,et al. Efficiency enhancement of P3HT:PCBM polymer solar cells using oligomers DH4T as the third component[J]. SCIENCE CHINA-CHEMISTRY,2015,58(7):1169-1175.
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