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Article: High efficiency polymer solar cells based on alkylthio substituted benzothiadiazole-quaterthiophene alternating conjugated polymers

TitleHigh efficiency polymer solar cells based on alkylthio substituted benzothiadiazole-quaterthiophene alternating conjugated polymers
Authors
KeywordsOrganic solar cells
Donor and acceptor
Conjugated polymer
Photovoltaic
Low bandgap polymer
Issue Date2017
Citation
Organic Electronics, 2017, v. 40, p. 36-41 How to Cite?
Abstract© 2016 Elsevier B.V. We have designed and synthesized two alkylthio substituted benzothiadiazole-quaterthiophene based conjugated polymers (P1 and P2) and investigated their photovoltaic performances. Theoretical simulation has demonstrated that the introduction of alkylthio substituents can increase the planarity of the resulted conjugated polymers. The fluorinated polymer P1 possesses a deeper HOMO energy level than the non-fluorinated polymer P2 and can form well-developed fibril networks when blended with PC71BM. PSCs based on P1:PC71BM (1:1.2, by weight) gave a PCE of 7.76% with a Voc of 0.69 V, a Jsc of 16.30 mA cm−2 and an FF of 0.69. Our results have demonstrated that alkylthiothiophene could be a useful building block for the construction of high efficiency polymer donor materials used for PSCs.
Persistent Identifierhttp://hdl.handle.net/10722/288722
ISSN
2019 Impact Factor: 3.31
2015 SCImago Journal Rankings: 1.215

 

DC FieldValueLanguage
dc.contributor.authorZhang, Zhe-
dc.contributor.authorLu, Zhen-
dc.contributor.authorZhang, Jicheng-
dc.contributor.authorLiu, Yahui-
dc.contributor.authorFeng, Shiyu-
dc.contributor.authorWu, Liangliang-
dc.contributor.authorHou, Ran-
dc.contributor.authorXu, Xinjun-
dc.contributor.authorBo, Zhishan-
dc.date.accessioned2020-10-12T08:05:42Z-
dc.date.available2020-10-12T08:05:42Z-
dc.date.issued2017-
dc.identifier.citationOrganic Electronics, 2017, v. 40, p. 36-41-
dc.identifier.issn1566-1199-
dc.identifier.urihttp://hdl.handle.net/10722/288722-
dc.description.abstract© 2016 Elsevier B.V. We have designed and synthesized two alkylthio substituted benzothiadiazole-quaterthiophene based conjugated polymers (P1 and P2) and investigated their photovoltaic performances. Theoretical simulation has demonstrated that the introduction of alkylthio substituents can increase the planarity of the resulted conjugated polymers. The fluorinated polymer P1 possesses a deeper HOMO energy level than the non-fluorinated polymer P2 and can form well-developed fibril networks when blended with PC71BM. PSCs based on P1:PC71BM (1:1.2, by weight) gave a PCE of 7.76% with a Voc of 0.69 V, a Jsc of 16.30 mA cm−2 and an FF of 0.69. Our results have demonstrated that alkylthiothiophene could be a useful building block for the construction of high efficiency polymer donor materials used for PSCs.-
dc.languageeng-
dc.relation.ispartofOrganic Electronics-
dc.subjectOrganic solar cells-
dc.subjectDonor and acceptor-
dc.subjectConjugated polymer-
dc.subjectPhotovoltaic-
dc.subjectLow bandgap polymer-
dc.titleHigh efficiency polymer solar cells based on alkylthio substituted benzothiadiazole-quaterthiophene alternating conjugated polymers-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.orgel.2016.10.032-
dc.identifier.scopuseid_2-s2.0-84994060966-
dc.identifier.volume40-
dc.identifier.spage36-
dc.identifier.epage41-

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