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Improving Photovoltaic Performance of the Linear A-Ar-A-type Small Molecules with Diketopyrropyrrole Arms by Tuning the Linkage Position of the Anthracene Core
Duan, Xiongwei1; Xiao, Manjun1,2; Chen, Jianhua1; Wang, Xiangdong1; Peng, Wenhong1; Duan, Linrui1; Tan, Hua1; Lei, Gangtie1; Yang, Renqiang2; Zhu, Weiguo1
2015-08-26
发表期刊ACS APPLIED MATERIALS & INTERFACES
卷号7期号:33页码:18292-18299
摘要Two isomeric A-Ar-A-type small molecules of DPP(2)An(9,10) and DPP2An(2,6), were synthesized with two acceptor arms of diketopyrropyrroles (DPP) and a planar aryl hydrocarbon core of the different substituted anthracene (An), respectively. Their thermal stability, crystallinity, optoelectronic, and photovoltaic performances were investigated. Significantly red-shifted absorption profile and higher HOMO level were observed for the DPP(2)An(2,6) with 2,6-substituted anthracene relative to the DPP2An(9,10) with 9,10-substituted anthracene, as the former exhibited better planarity and a larger conjugate system. As a result, the solution-processing solar cells based on DPP2An(2,6) and PC71BM (w/w,1:1) displayed remarkably increased power conversion efficiency of 5.44% and short-circuit current density (J(sc)) of 11.90 mA/cm(2) under 1% 1,8-diiodooctane additive. The PCE and J(sc) values were 3.7 and 2.9 times those of the optimized DPP(2)An(9,10)based cells, respectively. This work demonstrates that changing the linkage position of the anthracene core in the A-Ar-A-type SMs can strongly improve the photovoltaic properties in organic solar cells.
文章类型Article
关键词Diketopyrropyrroles Anthracene A-ar-a-type Small Molecules Photovoltaic Property Organic Solar Cells
WOS标题词Science & Technology ; Technology
DOI10.1021/acsami.5b03338
关键词[WOS]ORGANIC SOLAR-CELLS ; CONJUGATED MOLECULES ; V-OC ; DIKETOPYRROLOPYRROLE ; EFFICIENCY ; POLYMER ; ENHANCEMENT ; DERIVATIVES ; UNIT
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics ; Materials Science
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000360322000014
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6503
专题先进有机功能材料团队
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
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Duan, Xiongwei,Xiao, Manjun,Chen, Jianhua,et al. Improving Photovoltaic Performance of the Linear A-Ar-A-type Small Molecules with Diketopyrropyrrole Arms by Tuning the Linkage Position of the Anthracene Core[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(33):18292-18299.
APA Duan, Xiongwei.,Xiao, Manjun.,Chen, Jianhua.,Wang, Xiangdong.,Peng, Wenhong.,...&Zhu, Weiguo.(2015).Improving Photovoltaic Performance of the Linear A-Ar-A-type Small Molecules with Diketopyrropyrrole Arms by Tuning the Linkage Position of the Anthracene Core.ACS APPLIED MATERIALS & INTERFACES,7(33),18292-18299.
MLA Duan, Xiongwei,et al."Improving Photovoltaic Performance of the Linear A-Ar-A-type Small Molecules with Diketopyrropyrrole Arms by Tuning the Linkage Position of the Anthracene Core".ACS APPLIED MATERIALS & INTERFACES 7.33(2015):18292-18299.
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