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Cyclometalated Pt complex based random terpolymers as electron acceptors for all polymer solar cells
Gao, Xuyu1,2; Wang, Menghan1,2; Cao, Xudong1,2; Yang, Jie1,2,3; Zhong, Yu4; Zhang, Zhiguo3; Li, Cheng4; Huettner, Sven4; Tao, Youtian1,2; Li, Yongfang3; Huang, Wei1,2
2018
Source PublicationJOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
Volume56Issue:1Pages:105-115
AbstractVarious molar ratios of platinum complexes were introduced into the conjugated backbone of the well-studied poly[[N,N-bis(2-octyldodecyl)-naphthalene-1,4,5,8-bis(dicarboximide)-2,6-diyl]-alt-5,5-(2,2-bithiophene)](PNDIT2) acceptor polymer through random terpolymer approach. Terpolymers PNDIT2Ptx (x=1, 2 and 5) exhibited slightly higher melting point (T-m), crystallization temperature, HOMO and LUMO energy levels than the control PNDIT2 copolymer due to the introduction of small amount of weaker electron-withdrawing bulky rigid Pt complex instead of strong electron-withdrawing flexible naphthalene diimide. When blended them with poly[[2,6-4,8-di(5-ethylhexylthienyl)benzo[1,2-b;3,3-b] dithiophene] [3-fluoro-2[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl]] (PTB7-Th) in all polymer solar cells, enhanced power conversion efficiency of 4.51% (3.74%) was obtained in terpolymer PNDIT2Pt1 based device compared to 3.88% (3.24%) of the control PNDIT2 at the same inverted (conventional) device conditions. The enhancement was probably ascribed to higher hole and electron transport ability and more efficient charge separation. To the best of our knowledge, this is the first example of random terpolymer acceptors based on heavy metal complexes. (c) 2017 Wiley Periodicals, Inc.
KeywordConjugated Polymers Heavy Metal Complex Non-fullerene Acceptor Polymer Solar Cells
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/38318
Collection有机固体实验室
Affiliation1.Nanjing Tech Univ, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Key Lab Flexible Elect, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
2.Nanjing Tech Univ, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Inst Adv Mat, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
3.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
4.Univ Bayreuth, Macromol Chem 1, 30 Univ Str, D-95447 Bayreuth, Germany
Recommended Citation
GB/T 7714
Gao, Xuyu,Wang, Menghan,Cao, Xudong,et al. Cyclometalated Pt complex based random terpolymers as electron acceptors for all polymer solar cells[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2018,56(1):105-115.
APA Gao, Xuyu.,Wang, Menghan.,Cao, Xudong.,Yang, Jie.,Zhong, Yu.,...&Huang, Wei.(2018).Cyclometalated Pt complex based random terpolymers as electron acceptors for all polymer solar cells.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,56(1),105-115.
MLA Gao, Xuyu,et al."Cyclometalated Pt complex based random terpolymers as electron acceptors for all polymer solar cells".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 56.1(2018):105-115.
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