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Efficient polymer solar cells based on poly(thieno[2,3-f]benzofuran-co-thienopyrroledione) with a high open circuit voltage exceeding 1 V
Gao, Yueyue1,2; Saparbaev, Aziz3; Zhang, Yong1; Yang, Renqiang3; Guo, Fengyun1; Yang, Yulin2; Zhao, Liancheng1
2017-11-01
Source PublicationDYES AND PIGMENTS
Volume146Pages:543-550
AbstractA new donor-acceptor type conjugated polymer (PTBFTPD) based on two-dimensional (2D) conjugated alkylthienyl substituted thieno[2,3-f]benzofuran (TBF) and thienopyrroledione (TPD) unit, was synthesized and applied as donor material for bulk heterojunction polymer solar cells. As a comparison, its counterpart conjugated polymer (PBDTTPD) based on allcylthienyl substituted thieno[2,3-f]benzothiophene (BDT) and TPD unit, was also synthesized. The thermal properties, optical and electrochemical properties, energy levels, molecular chain orientation stacking behavior and photovoltaic properties of two polymers were intensively investigated. Both polymers showed similar optical properties. Compared with PBDTTPD, PTBFTPD shown the similar absorption properties in solution and in a thin film. PTBFTPD had a slightly narrow bandgap of 1.83 eV while that of 1.85 eV for PBDTTPD. PTBFTPD displayed a deeper highest occupied molecular orbital (HOMO) energy level of (-5.64 eV), which was 0.1 eV lower than that for PBDTTPD. The XRD study showed that PTBFTPD possessed a closer pi-pi stacking than PBDTTPD. The photovoltaic properties were investigated under various conditions, the optimized power conversion efficiency (PCE) of 433% with an open-circuit voltage (V-oc) of as high as 1.09 V were obtained, which resulted in a 32% improvement in comparison with PBDTTPD/PC71BM-based device under the same conditions. (C) 2017 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordPolymer Solar Cells Open-circuit Voltage Thieno[2 3-f]Benzofuran
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.dyepig.2017.07.057
WOS KeywordPHOTOVOLTAIC PERFORMANCE ; SIDE-CHAINS ; CONJUGATED POLYMERS ; COPOLYMERS ; 10-PERCENT ; ACCEPTOR ; BANDGAP
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Engineering ; Materials Science
Funding OrganizationNational Natural Science Foundation of China(51403044 ; Ministry of Science and Technology of China(2014CB643501) ; Fundamental Research Funds for the Central Universities (Harbin Institute of Technology) ; 21644006 ; 21604092 ; 51573205)
WOS SubjectChemistry, Applied ; Engineering, Chemical ; Materials Science, Textiles
WOS IDWOS:000410010100066
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9586
Collection先进有机功能材料研究组
Affiliation1.Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
2.Harbin Inst Technol, Sch Chem & Chem Engn, Harbin 150001, Heilongjiang, Peoples R China
3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
Recommended Citation
GB/T 7714
Gao, Yueyue,Saparbaev, Aziz,Zhang, Yong,et al. Efficient polymer solar cells based on poly(thieno[2,3-f]benzofuran-co-thienopyrroledione) with a high open circuit voltage exceeding 1 V[J]. DYES AND PIGMENTS,2017,146:543-550.
APA Gao, Yueyue.,Saparbaev, Aziz.,Zhang, Yong.,Yang, Renqiang.,Guo, Fengyun.,...&Zhao, Liancheng.(2017).Efficient polymer solar cells based on poly(thieno[2,3-f]benzofuran-co-thienopyrroledione) with a high open circuit voltage exceeding 1 V.DYES AND PIGMENTS,146,543-550.
MLA Gao, Yueyue,et al."Efficient polymer solar cells based on poly(thieno[2,3-f]benzofuran-co-thienopyrroledione) with a high open circuit voltage exceeding 1 V".DYES AND PIGMENTS 146(2017):543-550.
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