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Two T-Shaped Donor-Acceptor Small Molecules Based on 4,9-Di(thiophen-2-yl)naphtho[2,3-b]thiophene for Solution-Processed Organic Solar Cells
Tan, Hua1; Peng, Wenhong1; Liu, Hongjian1; Luo, Yuhong1; Chen, Yu1; Duan, Linrui1,2; Yu, Junting1; Zhang, Youming1; Zhang, Jun1; Wang, Yafei1; Yang, Renqiang2; Zhu, Weiguo1
2016-10-01
Source PublicationEUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Issue30Pages:5127-5135
AbstractTwo novel T-shaped -conjugated small molecules of DTNT-3DPP and DTNT(DPP-PN)(3) with 4,9-di(thiophen-2-yl)naphtho[2,3-b]thiophene (DTNT) as the donor core and diketopyrrolopyrrole (DPP) as acceptor arms, in the latter case incorporating phenanthrene (PN) units, have been designed and synthesized. The effects of the central core and terminal units on the optical, thermal, electrochemical, and photovoltaic properties have been investigated. It was found that DTNT-3DPP and DTNT(DPP-PN)(3) exhibit better light-harvesting and charge-transport properties than triphenylamine (TPA)-based star-shaped molecules. DTNT-3DPP and DTNT(DPP-PN)(3) were used as donor materials and methyl [6,6]-phenyl-C-71-butyrate (PC71BM) as the acceptor for the fabrication of solution-processed bulk heterojunction (BHJ) solar cells. The power conversion efficiencies (PCEs) of solar cells based on DTNT-3DPP and DTNT(DPP-PN)(3) are 3.47 and 3.69%, respectively. These PCEs are higher than those of the corresponding TPA-based solar cells (1.91 and 3.67%). Our work indicates that the planar DTNT unit can improve the photovoltaic properties of organic small molecules relative to those of the TPA unit.
SubtypeArticle
KeywordOrganic Solar Cells Charge Transfer Donor-acceptor Systems Photovoltaic Properties Sulfur Heterocycles
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/ejoc.201600858
WOS KeywordPHOTOVOLTAIC PERFORMANCE ; EFFICIENCY ; DIKETOPYRROLOPYRROLE ; BENZODITHIOPHENE ; CORE ; UNIT
Indexed BySCI
Language英语
WOS Research AreaChemistry
Funding OrganizationMinistry of Education of China(1337304) ; National Natural Science Foundation of China(51403178 ; Hunan Natural Science Foundation(2015JJ3113) ; Hunan Provincial Education Department (Scientific Research Fund)(14C1099 ; Natural Science Foundation of Xiangtan University(13QDZ23) ; 51573154) ; YB2015B025 ; 13A102)
WOS SubjectChemistry, Organic
WOS IDWOS:000386919600008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9088
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
Tan, Hua,Peng, Wenhong,Liu, Hongjian,et al. Two T-Shaped Donor-Acceptor Small Molecules Based on 4,9-Di(thiophen-2-yl)naphtho[2,3-b]thiophene for Solution-Processed Organic Solar Cells[J]. EUROPEAN JOURNAL OF ORGANIC CHEMISTRY,2016(30):5127-5135.
APA Tan, Hua.,Peng, Wenhong.,Liu, Hongjian.,Luo, Yuhong.,Chen, Yu.,...&Zhu, Weiguo.(2016).Two T-Shaped Donor-Acceptor Small Molecules Based on 4,9-Di(thiophen-2-yl)naphtho[2,3-b]thiophene for Solution-Processed Organic Solar Cells.EUROPEAN JOURNAL OF ORGANIC CHEMISTRY(30),5127-5135.
MLA Tan, Hua,et al."Two T-Shaped Donor-Acceptor Small Molecules Based on 4,9-Di(thiophen-2-yl)naphtho[2,3-b]thiophene for Solution-Processed Organic Solar Cells".EUROPEAN JOURNAL OF ORGANIC CHEMISTRY .30(2016):5127-5135.
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