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Acceptor-donor-acceptor small molecules containing benzo [1,2-b:4,5-b ']dithiophene and rhodanine units for solution processed organic solar cells
Fan, Qunping1; Li, Min1; Yang, Pingao1; Liu, Yu1; Xiao, Manjun1; Wang, Xiangdong1; Tan, Hua1; Wang, Yafei1; Yang, Renqiang2; Zhu, Weiguo1
2015-05-01
Source PublicationDYES AND PIGMENTS
Volume116Pages:13-19
AbstractTwo novel solution-processed acceptor-donor-acceptor (A-D-A) structured organic molecules with 5,8-disubstituted benzo[1,2-b:4,5-b']dithiophene (BDT or BDTT) as central and donor units, 2(1,1-dicyanomethylene)rhodanine (DCRD) as acceptor unit and terminal group, and trithiophene (T-3) as pi-bridges, D(T-3-DCRD)-BDT and D(T-3-DCRD)-BDTT, are designed and synthesized for the application as donor materials in organic solar cells (OSCs). Both compounds exhibit broad absorption covering the wavelength range 300-750 nm and the relatively lower HOMO energy levels from -539 to -5.46 eV. D(T-3-DCRD)-BDTT demonstrates strong absorbance and higher hole mobility than that of D(T-3-DCRD)BDT. The power conversion efficiency (PCE) values of the OSCs based on the compounds/PC61BM (1:1, w/w) are 1.10% for D(T-3-DCRD)-BDT and 1.94% for D(T-3-DCRD)-BDIT, under the illumination of AM. 1.5G, 100 mW/cm(-2). Furthermore, the high open-circuit voltage (V-oc) values are 0.93 V for D(T-3-DCRD)-BDT and 0.96 V for D(T-3-DCRD)-BDTT, respectively. It indicates that incorporating DCRD as an acceptor unit into D-A-D-type small molecule has proven to be promising candidates for high efficiency solution processed OSCs. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordOrganic Solar Cells Rhodanin Benzo[1 Acceptor-donor-acceptor 2-b:4 Bulk-heterojunction 5-b ']Dithiophene Small Molecule
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.dyepig.2015.01.006
WOS KeywordPOWER CONVERSION EFFICIENCY ; HIGHLY EFFICIENT ; BENZODITHIOPHENE UNIT ; DIKETOPYRROLOPYRROLE ; PHOTOVOLTAICS ; POLYMERS ; DESIGN ; 10-PERCENT ; DYE
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering ; Materials Science
WOS SubjectChemistry, Applied ; Engineering, Chemical ; Materials Science, Textiles
WOS IDWOS:000350936400002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/6413
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
Fan, Qunping,Li, Min,Yang, Pingao,et al. Acceptor-donor-acceptor small molecules containing benzo [1,2-b:4,5-b ']dithiophene and rhodanine units for solution processed organic solar cells[J]. DYES AND PIGMENTS,2015,116:13-19.
APA Fan, Qunping.,Li, Min.,Yang, Pingao.,Liu, Yu.,Xiao, Manjun.,...&Zhu, Weiguo.(2015).Acceptor-donor-acceptor small molecules containing benzo [1,2-b:4,5-b ']dithiophene and rhodanine units for solution processed organic solar cells.DYES AND PIGMENTS,116,13-19.
MLA Fan, Qunping,et al."Acceptor-donor-acceptor small molecules containing benzo [1,2-b:4,5-b ']dithiophene and rhodanine units for solution processed organic solar cells".DYES AND PIGMENTS 116(2015):13-19.
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