Fluoro-benzoselenadiazole-based low band gap polymers for high efficiency organic solar cells

doi:10.1039/c3py01018j

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	Fluoro-benzoselenadiazole-based low band gap polymers for high efficiency organic solar cells
	Li, Yongxi 1; Pan, Zhe 1; Miao, Lei 2; Xing, Ying 1; Li, Chao 1; Chen, Yu 1
	2014
Source Publication	POLYMER CHEMISTRY
Volume	5 Issue:2 Pages:330-334
Abstract	Low band gap polymers are of great interest for future applications in solar cells. By using monofluoro-2,1,3-benzoselenadiazole (FBSe) as the electron acceptor and benzodithiophene (BDT) or indacenodithiophene (IDT) as the electron donor, two novel FBSe-based polymers, PBDT-T-FBSe and PIDT-T-FBSe, were synthesized via a microwave-assisted palladium-catalyzed Stille polymerization. Both of the polymers exhibited broad absorption and lower highest occupied molecular orbital (HOMO) energy levels, which contribute to the high short current density (J(sc)) and open circuit voltage (V-oc). Higher power conversion efficiencies of 5.00% for PBDT-T-FBSe and 4.65% for PIDT-T-FBSe were achieved in a bulk heterojunction (BHJ) photovoltaic device with a configuration of ITO/PEDOT:PSS/polymer: PC71BM/bis-C-60/Ag under the illumination of AM1.5G at 100 mA cm(-2). These results demonstrate the importance of FBSe as an electron-deficient unit in the design of donor-acceptor photovoltaic polymers.
Subtype	Article
WOS Headings	Science & Technology ; Physical Sciences
DOI	10.1039/c3py01018j
WOS Subject Extended	Polymer Science
WOS Keyword	CONJUGATED POLYMERS ; SIDE-CHAINS ; DIKETOPYRROLOPYRROLE ; PERFORMANCE ; BENZODITHIOPHENE ; SUBSTITUENTS ; BLENDS
Indexed By	SCI
Language	英语
WOS Subject	Polymer Science
WOS ID	WOS:000328647200008
Citation statistics	Cited Times:27[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.giec.ac.cn/handle/344007/10775
Collection	中国科学院广州能源研究所
Affiliation	1.E China Univ Sci & Technol, Inst Appl Chem, Key Lab Adv Mat, Shanghai 200237, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation GB/T 7714	Li, Yongxi,Pan, Zhe,Miao, Lei,et al. Fluoro-benzoselenadiazole-based low band gap polymers for high efficiency organic solar cells[J]. POLYMER CHEMISTRY,2014,5(2):330-334.
APA	Li, Yongxi,Pan, Zhe,Miao, Lei,Xing, Ying,Li, Chao,&Chen, Yu.(2014).Fluoro-benzoselenadiazole-based low band gap polymers for high efficiency organic solar cells.POLYMER CHEMISTRY,5(2),330-334.
MLA	Li, Yongxi,et al."Fluoro-benzoselenadiazole-based low band gap polymers for high efficiency organic solar cells".POLYMER CHEMISTRY 5.2(2014):330-334.

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