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Achieving over 9.8% Efficiency in Nonfullerene Polymer Solar Cells by Environmentally Friendly Solvent Processing
Wu, Yue1; Zou, Yan1; Yang, Hang1; Li, Yaowen1; Li, Hongkun1; Cui, Chaohua1; Li, Yongfang1,2
2017-10-25
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume9Issue:42Pages:37078-37086
AbstractNowadays, most of the solution-processed high-efficiency polymer solar cell (PSC) devices are fabricated by halogenated solvents (such as chlorobenzene, 1,2-dichlorobenzene, chloroform, etc.) which are harmful to people and the environment. Therefore, it is essential to develop high-efficiency PSC devices processed by environmentally friendly solvent processing for their industrialization. In this regard, we report a new alkylthio chain-based conjugated polymer PBDB-TS as donor material for environmentally friendly solvent-processed PSCs. PBDB-TS possesses a low-lying HOMO energy level at -5.42 eV and a good solubility in toluene and o-xylene. By using o-xylene and 1% N-methylpyrrolidone as processing solvent, following by the thermal annealing treatment for PBDB-TS:ITIC blend films, well-developed morphological features, and balanced charge transport properties are observed, leading to a high power conversion efficiency (PCE) of 9.85%, higher than that of the device cast from halogenated solvent (PCE = 9.65%). The results suggest that PBDB-TS is an attractive donor material for nonhalogen solvents-processing PSCs.
KeywordPolymer Solar Cells Non-halogen Solvent Processin Alkylthio Chains Donor Material Power Conversion Efficiency
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/39138
Collection有机固体实验室
Affiliation1.Soochow Univ, Coll Chem Chem Engn & Mat Sci, Lab Adv Optoelect Mat, Suzhou 215123, Peoples R China
2.Chinese Acad Sci, Inst Chem, CAS Res Educ Ctr Excellence Mol Sci, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wu, Yue,Zou, Yan,Yang, Hang,et al. Achieving over 9.8% Efficiency in Nonfullerene Polymer Solar Cells by Environmentally Friendly Solvent Processing[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(42):37078-37086.
APA Wu, Yue.,Zou, Yan.,Yang, Hang.,Li, Yaowen.,Li, Hongkun.,...&Li, Yongfang.(2017).Achieving over 9.8% Efficiency in Nonfullerene Polymer Solar Cells by Environmentally Friendly Solvent Processing.ACS APPLIED MATERIALS & INTERFACES,9(42),37078-37086.
MLA Wu, Yue,et al."Achieving over 9.8% Efficiency in Nonfullerene Polymer Solar Cells by Environmentally Friendly Solvent Processing".ACS APPLIED MATERIALS & INTERFACES 9.42(2017):37078-37086.
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