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New narrow bandgap polymers containing 10-(4-((2-ethylhexyl)oxy)phenyl)-10H-phenothiazine/phenoxazine and 3,6-di(2-thienyl)pyrrolo[3,4-c]pyrrole-1,4-dione)-based units: synthesis and photovoltaic properties

Journal of materials science. Materials in electronics, 2021-04, Vol.32 (8), p.10194-10208 [Peer Reviewed Journal]

The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021 ;The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021. ;ISSN: 0957-4522 ;EISSN: 1573-482X ;DOI: 10.1007/s10854-021-05675-2

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  • Title:
    New narrow bandgap polymers containing 10-(4-((2-ethylhexyl)oxy)phenyl)-10H-phenothiazine/phenoxazine and 3,6-di(2-thienyl)pyrrolo[3,4-c]pyrrole-1,4-dione)-based units: synthesis and photovoltaic properties
  • Author: Truong, Nhung Thanh Thi ; Le Thi Mai, Huyen ; Luu, Tam Hoang ; Nguyen, Luan Thanh ; Nguyen, Le-Thu T. ; Hoang, Mai Ha ; Huynh, Ha Phuong Ky ; Tran, Chau Duc ; Nguyen, Ha Tran
  • Subjects: Absorption spectra ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Energy gap ; Materials Science ; Optical and Electronic Materials ; Photovoltaic cells ; Polymers ; Pyrroles ; Solar cells
  • Is Part Of: Journal of materials science. Materials in electronics, 2021-04, Vol.32 (8), p.10194-10208
  • Description: Diketopyrrolopyrrole (DPP) is one of the most used moieties in D–A conjugated polymers for high-performance π-extended conjugated polymer-based organic solar cells. The combination of 1,4-diketo-3,6-dithienylpyrrolo[3,4-c]pyrroles (DTDPPs) and the donor moieties 10-(4-((2-ethylhexyl)oxy)phenyl)-10H-phenothiazine (M 1 ) , 10-(4-((2-ethylhexyl)oxy)phenyl)-10H-phenoxazine (M 2 ), has not been reported yet. In this report, novel low-bandgap D–A conjugated polymer derivatives including DTDPP, phenothiazine and phenoxazine were successfully synthesized via direct (hetero) arylation polymerization with in the yields of 40.94–60.77%. The obtained D–A conjugated polymers named poly(3,6-Di(2-thienyl)pyrrolo[3,4-c]pyrrole-1,4-dione)- alt -(10-(4-((2-ethylhexyl)oxy) phenyl)-10H-phenothiazine) (P 1 ) and poly(3,6-Di(2-thienyl)pyrrolo[3,4-c]pyrrole-1,4-dione)- alt -(10-(4-((2-ethylhexyl)oxy) phenyl)-10H-phenoxazine) (P 2 ) exhibited a wide range of absorption spectrum in visible light region and have a low bandgaps of 1.4–1.5 eV, as well as thermal stabilities, these D–A conjugated polymers are very promising as activated polymeric materials for organic solar cells (OSCs).
  • Publisher: New York: Springer US
  • Language: English
  • Identifier: ISSN: 0957-4522
    EISSN: 1573-482X
    DOI: 10.1007/s10854-021-05675-2
  • Source: ProQuest Central
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