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Efficient all-polymer solar cells based on thiazole-bridged middle band-gap polymer donor: The influence of alkyl side chain on polymer-polymer miscibility and photovoltaic performance
Du, ZR; Zhang, YC; Yang, CM; Wang, XC; Zhu, DQ; Han, LL; Bao, XC; Yang, RQ
2019
Source PublicationSYNTHETIC METALS
ISSN0379-6779
Volume254Pages:49-55
Subtype期刊论文
AbstractIn this work, three middle band-gap (E-g approximate to 1.70 eV) polymer donors featuring thiazole moiety as pi bridge while different alkyl side chain modification were synthesized for all-polymer solar cell (APSC) application. The influence of the configuration of alkyl side chain (linear, branched and alkylthio) on polymer-polymer miscibility and resulting photovoltaic performance was systemically investigated. The results indicated that the miscibility of polymer-polymer pair was sensitive to the solubility of resultant polymers, which was caused by diverse alkyl side chain modification. Since then, the most soluble one (P1, modified by 2-ethylhexyl side chain) could produce efficient as-cast APSC device with best PCE of 6.42%, accompanying with high V-oc of 0.88 V and J(sc) of 14.22 mA cm(-2). This work revealed that while the incorporation of thiazole pi bridge into quinoid-based polymer proves to be an efficient molecule design strategy, suitable alkyl side chain modification is also important to enhance polymer-polymer miscibility.
KeywordPOWER CONVERSION EFFICIENCY MOLECULAR-WEIGHT FULLERENE OPTIMIZATION SOLVENT CRYSTALLINITY COPOLYMERS MOBILITY ACCEPTOR DESIGN
DOI10.1016/j.synthmet.2019.06.005
Indexed BySCI
Language英语
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32039
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Shandong, Peoples R China;
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
Recommended Citation
GB/T 7714
Du, ZR,Zhang, YC,Yang, CM,et al. Efficient all-polymer solar cells based on thiazole-bridged middle band-gap polymer donor: The influence of alkyl side chain on polymer-polymer miscibility and photovoltaic performance[J]. SYNTHETIC METALS,2019,254:49-55.
APA Du, ZR.,Zhang, YC.,Yang, CM.,Wang, XC.,Zhu, DQ.,...&Yang, RQ.(2019).Efficient all-polymer solar cells based on thiazole-bridged middle band-gap polymer donor: The influence of alkyl side chain on polymer-polymer miscibility and photovoltaic performance.SYNTHETIC METALS,254,49-55.
MLA Du, ZR,et al."Efficient all-polymer solar cells based on thiazole-bridged middle band-gap polymer donor: The influence of alkyl side chain on polymer-polymer miscibility and photovoltaic performance".SYNTHETIC METALS 254(2019):49-55.
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