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An efficient method to achieve a balanced open circuit voltage and short circuit current density in polymer solar cells
Dang, Dongfeng1,2; Zhou, Pei1; Duan, Linrui1,3; Bao, Xichang3; Yang, Renqiang3; Zhu, Weiguo1
2016-06-07
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
Volume4Issue:21Pages:8291-8297
AbstractUtilizing indacenodithiophene (D) and quinoxaline (A) building blocks, novel D-A-pi-A type regular terpolymers of PIDT-DTQ-TT were designed with a conjugated pi spacer of thieno[3,2-b]thiophene unit in the polymer backbone. In contrast to PIDT-DTQ with the thiophene unit as the spacer, PIDT-DTQ-TT displayed a much broader absorption with suitable HOMO energy levels and high charge carrier mobility. Also an enhanced J(sc) of 12.43 mA cm(-2) and a V-oc of 0.83 V comparable to that of PIDT-DTQ-based devices were observed in PIDT-DTQ-TT-based solar cells, indicating that the balance between J(sc) and V-oc in devices can be achieved when the spacer in the polymer backbone was altered individually in D-A-pi-A type regular terpolymers. Finally, a maximum power conversion efficiency value of 6.63% was achieved without any post-treatment in solar cells. Our results here demonstrate that tuning the conjugated spacers in D-A-pi-A type regular terpolymers individually could be an efficient method to balance the trade-off between J(s,) and V-oc, leading to an enhanced photovoltaic performance in solar cells.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1039/c6ta02298g
WOS KeywordD-A COPOLYMERS ; ENHANCE PHOTOVOLTAIC PERFORMANCE ; BAND-GAP ; CONJUGATED POLYMERS ; SMALL-MOLECULE ; ENERGY-LOSSES ; DIKETOPYRROLOPYRROLE ; BENZODITHIOPHENE ; BACKBONE ; SPACERS
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
Funding OrganizationMajor Program for Cultivation of the National Natural Science Foundation of China(91233112) ; National Natural Science Foundation of China(21172187 ; Natural Science Foundation of Hunan(14JJ4019) ; Foundation of Xi'an Jiao Tong University for New Teachers(HX1K008) ; China Postdoctoral Science Foundation(2015M582648) ; Fundamental Research Funds for the Central Universities of China(xjj2016069) ; 51403178 ; 51273168 ; 21202139)
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000378102400037
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/8338
Collection先进有机功能材料研究组
Affiliation1.Xiangtan Univ, Dept Chem, Minist Educ, Key Lab Environm Friendly Chem & Applicat, Xiangtan 411105, Peoples R China
2.Xi An Jiao Tong Univ, Sch Sci, Xian 710049, Peoples R China
3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
Recommended Citation
GB/T 7714
Dang, Dongfeng,Zhou, Pei,Duan, Linrui,et al. An efficient method to achieve a balanced open circuit voltage and short circuit current density in polymer solar cells[J]. JOURNAL OF MATERIALS CHEMISTRY A,2016,4(21):8291-8297.
APA Dang, Dongfeng,Zhou, Pei,Duan, Linrui,Bao, Xichang,Yang, Renqiang,&Zhu, Weiguo.(2016).An efficient method to achieve a balanced open circuit voltage and short circuit current density in polymer solar cells.JOURNAL OF MATERIALS CHEMISTRY A,4(21),8291-8297.
MLA Dang, Dongfeng,et al."An efficient method to achieve a balanced open circuit voltage and short circuit current density in polymer solar cells".JOURNAL OF MATERIALS CHEMISTRY A 4.21(2016):8291-8297.
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