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Modifying the morphology via employing rigid phenyl side chains achieves efficient nonfullerene polymer solar cells
Zhong, Yaqian1,2; Liu, Deyu2,3; Zhang, Kaili1,2; Li, Yonghai2; Sun, Mingliang1,4; Yu, Liangmin4; Li, Feng5; Liu, Huizhou2; Yang, Renqiang2
2018-12-15
发表期刊JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
ISSN0887-624X
卷号56期号:24页码:2762-2770
摘要As a promising electron-deficient (acceptor) unit, fluorinated benzotriazole (TAZ) was used widely to construct wide bandgap polymers for nonfullerene polymer solar cells (NF-PSCs). However, due to the S horizontal ellipsis F noncovalent interaction, the unit show good planarity and strong aggregation, which was not beneficial for the blend with the elongated nonfullerene acceptors. Here, we tried to choose new donor polymers to match with TAZ unit, which was expected to destroy the interchain aggregation of polymer and form favorable morphology of blends. Two new wide-bandgap polymers PBDTsPhPh-T1 and PBDTsThPh-T1 based on the unsymmetrical benzodithiophene (BDT) units with a benzene ring as lever arms were synthesized. As a result, these two polymers blend well with nonfullerene acceptor (ITIC). And then, PBDTsPhPh-T1 and PBDTsThPh-T1-based devices exhibit the decent photovoltaic properties with high power conversion efficiencies of 8.85 and 9.34%, respectively. The work demonstrates that the unsymmetrical BDT units could be outstanding for building donor materials toward high-performance NF-PSCs. (c) 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2018, 56, 2762-2770
关键词fluorinated benzotriazole lever arms nonfullerene acceptor polymer solar cells unsymmetrical benzodithiophene
DOI10.1002/pola.29264
关键词[WOS]PERFORMANCE ; ACCEPTOR ; ALKYLTHIO ; DONOR
语种英语
资助项目National Natural Science Foundation of China[51573205] ; National Natural Science Foundation of China[51773220] ; Natural Science Foundation of Shandong Province[ZR2018MEM023] ; Fundamental Research Funds for the Central Universities[201822002] ; Taishan Scholars Climbing Program of Shandong[tspd20150210]
WOS研究方向Polymer Science
项目资助者National Natural Science Foundation of China ; Natural Science Foundation of Shandong Province ; Fundamental Research Funds for the Central Universities ; Taishan Scholars Climbing Program of Shandong
WOS类目Polymer Science
WOS记录号WOS:000450460600007
出版者WILEY
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/11035
专题中国科学院青岛生物能源与过程研究所
通讯作者Sun, Mingliang; Liu, Huizhou; Yang, Renqiang
作者单位1.Ocean Univ China, Sch Mat Sci & Engn, Qingdao 266100, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Qingdao 266100, Peoples R China
5.Qingdao Univ Sci & Technol, Sch Polymer Sci & Engn, Minist Educ Shandong Prov, Key Lab Rubber Plast, Qingdao 266042, Peoples R China
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Zhong, Yaqian,Liu, Deyu,Zhang, Kaili,et al. Modifying the morphology via employing rigid phenyl side chains achieves efficient nonfullerene polymer solar cells[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2018,56(24):2762-2770.
APA Zhong, Yaqian.,Liu, Deyu.,Zhang, Kaili.,Li, Yonghai.,Sun, Mingliang.,...&Yang, Renqiang.(2018).Modifying the morphology via employing rigid phenyl side chains achieves efficient nonfullerene polymer solar cells.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,56(24),2762-2770.
MLA Zhong, Yaqian,et al."Modifying the morphology via employing rigid phenyl side chains achieves efficient nonfullerene polymer solar cells".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 56.24(2018):2762-2770.
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