Synthesis and Characterization of Conjugated Polymers Based on Thieno[3,4-b]Thiophene Quinoidal Unit - Details

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Abstract：

Driven　by　the　success　of　quinoidal　units　for　enabling　high-performance　polymer　semiconductors,　herein　a　new　quinoidal　building　block　that　terminated　by　indandione　is　reported.　By　introducing　Br　atoms　into　the　terminal　benzene　rings　of　indandione,　two　CPs,　P2TbTI-DPP　and　P2TbTI-TIID,　are　synthesized　through　Stille　polycondensation.　The　strong　electron-withdrawing　ability　of　indandione-terminated　quinoidal　unit　enables　P2TbTI-DPP　and　P2TbTI-TIID　with　low-lying　LUMO　energy　levels　of　≈–3.90 eV.　Organic　thin-film　transistors　based　on　P2TbTI-DPP　and　P2TbTI-TIID　exhibit　n-type　transport　behavior.　Besides,　it　is　found　that　the　electron　mobility　of　these　two　polymers　is　weakly　dependent　on　the　annealing　temperature　due　to　the　near-amorphous　of　polymer　thin-film.　©　2023　Wiley-VCH　GmbH.

Keyword：

1,3-indandione n-type transport organic thin-film transistors quinoidal compounds thieno[3,4-b]thiophene

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[ 1 ] [Shao B.]Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350507, China
[ 2 ] [He Y.]Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350507, China
[ 3 ] [Wang T.]School of Materials Science and Engineering and Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
[ 4 ] [Yan D.]School of Materials Science and Engineering and Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
[ 5 ] [Yuan Y.]Department of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 6 ] [Du T.]School of Materials Science and Engineering and Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
[ 7 ] [Chi C.]Department of chemistry, National University of Singapore, Singapore, 117543, Singapore
[ 8 ] [Deng Y.]Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350507, China
[ 9 ] [Deng Y.]School of Materials Science and Engineering and Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
[ 10 ] [Geng Y.]Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, 350507, China
[ 11 ] [Geng Y.]School of Materials Science and Engineering and Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China

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Source ：

Macromolecular Chemistry and Physics

ISSN： 1022-1352

Year： 2023

Issue： 24

Volume： 224

2 . 5

JCR@2023

2 . 5 0 0

JCR@2023

JCR Journal Grade：3

CAS Journal Grade：4

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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