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Fluoro-benzoselenadiazole-based low band gap polymers for high efficiency organic solar cells
Li, Yongxi1; Pan, Zhe1; Miao, Lei2; Xing, Ying1; Li, Chao1; Chen, Yu1
2014
发表期刊POLYMER CHEMISTRY
卷号5期号:2页码:330-334
摘要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.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c3py01018j
研究领域[WOS]Polymer Science
关键词[WOS]CONJUGATED POLYMERS ; SIDE-CHAINS ; DIKETOPYRROLOPYRROLE ; PERFORMANCE ; BENZODITHIOPHENE ; SUBSTITUENTS ; BLENDS
收录类别SCI
语种英语
WOS类目Polymer Science
WOS记录号WOS:000328647200008
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10775
专题中国科学院广州能源研究所
作者单位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
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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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