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Efficient polymer solar cells based on a new quinoxaline derivative with fluorinated phenyl side chain
Fan, Qunping1; Jiang, Huanxiang2; Liu, Yu1,3; Su, Wenyan1; Tan, Hua1; Wang, Yafei1; Yang, Renqiang2; Zhu, Weiguo1,3
2016
发表期刊JOURNAL OF MATERIALS CHEMISTRY C
卷号4期号:13页码:2606-2613
摘要A novel donor-pi-acceptor (D-pi-A) type polymer of PBDTT-DTFPQx composed of a medium electron-donating 5,8-dialkylthienyl substituted benzo[1,2-b:4,5-b']dithiophene (BDTT) moiety and a strong electron-accepting 4-fluorophenyl substituted 6,7-dioctyloxyquinoxaline (FPQx) with thiophene pi-bridge units was synthesized and characterized, as a donor material for polymer solar cells (PSCs). This polymer exhibits a low optical bandgap of 1.66 eV with an absorption onset of 745 nm, a low-lying HOMO energy level of -5.52 eV, and a hole mobility of 5.05 x 10(-4) cm(2) V-1 s(-1). Compared to the reported analogues, PSCs based on PBDTT-DTFPQx/PC71BM demonstrated an outstanding fill factor (FF) value. With an optimized blend ratio of PBDT-TFQ: PC71BM (1 : 4, w/w), a high power conversion efficiency (PCE) of 7.2% was obtained, with an open-circuit voltage (V-oc) of 0.87 V, a short-circuit current (J(SC)) of 11.4 mA cm(-2), and a FF of up to 73% under AM 1.5G irradiation. The results demonstrate that the introduction of two fluoride atoms onto 4-positions of the phenyl group at the quinoxaline unit by side-chain engineering into the BDTT-alt-DTQx type polymers would be a feasible approach to improve photovoltaic properties in PSCs.
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1039/c6tc00353b
关键词[WOS]IMPROVED PHOTOVOLTAIC PERFORMANCE ; BENZODITHIOPHENE-BASED POLYMER ; POWER CONVERSION EFFICIENCY ; OPEN-CIRCUIT VOLTAGE ; ORGANIC PHOTOVOLTAICS ; ENERGY-LEVEL ; SUBSTITUENTS ; COPOLYMER ; UNITS ; BENZOTHIADIAZOLE
收录类别SCI
语种英语
WOS研究方向Materials Science ; Physics
项目资助者Major Cultivation and General Programs of the National Natural Science Foundation of China(51573154 ; Program for Innovative Research Cultivation Team in University of Ministry of Education of China(1337304) ; Innovation Group in Hunan Natural Science Foundation(12JJ7002) ; Natural Science Foundation of Hunan(14JJ4019 ; Research Foundation of Hunan Education Bureau(13A102 ; Open Project for the National Key Laboratory of Luminescent Materials and Devices(2014-skllmd-10) ; 91233112 ; 2015JJ3113) ; 14C1099) ; 51273168 ; 51403178)
WOS类目Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000373011600026
引用统计
被引频次:41[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/8248
专题先进有机功能材料研究组
作者单位1.Xiangtan Univ, Coll Chem, Key Lab Environm Friendly Chem & Applicat, Minist Educ, Xiangtan 411105, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
3.Changzhou Univ, Sch Mat Sci & Engn, Changzhou 213164, Peoples R China
推荐引用方式
GB/T 7714
Fan, Qunping,Jiang, Huanxiang,Liu, Yu,et al. Efficient polymer solar cells based on a new quinoxaline derivative with fluorinated phenyl side chain[J]. JOURNAL OF MATERIALS CHEMISTRY C,2016,4(13):2606-2613.
APA Fan, Qunping.,Jiang, Huanxiang.,Liu, Yu.,Su, Wenyan.,Tan, Hua.,...&Zhu, Weiguo.(2016).Efficient polymer solar cells based on a new quinoxaline derivative with fluorinated phenyl side chain.JOURNAL OF MATERIALS CHEMISTRY C,4(13),2606-2613.
MLA Fan, Qunping,et al."Efficient polymer solar cells based on a new quinoxaline derivative with fluorinated phenyl side chain".JOURNAL OF MATERIALS CHEMISTRY C 4.13(2016):2606-2613.
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