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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
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume7Issue:33Pages:18292-18299
AbstractTwo 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.
SubtypeArticle
KeywordDiketopyrropyrroles Anthracene A-ar-a-type Small Molecules Photovoltaic Property Organic Solar Cells
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acsami.5b03338
WOS KeywordORGANIC SOLAR-CELLS ; CONJUGATED MOLECULES ; V-OC ; DIKETOPYRROLOPYRROLE ; EFFICIENCY ; POLYMER ; ENHANCEMENT ; DERIVATIVES ; UNIT
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000360322000014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/6503
Collection先进有机功能材料研究组
Affiliation1.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
Recommended Citation
GB/T 7714
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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