Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering

A series of symmetrical truxene-centered and 3-ethylrhodanine end-capped electron acceptors with high absorption coefficient, namely Tr(Hex)(6)-3RD, Tr(Dec)(6)-3RD, and Tr(Hex)(6)-6RD, were prepared and constructed for non-fullerene solar cells. To satisfy solution-processability, multiple energy le...

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Autores principales: Lin, Kaiwen, Du, Wenhao, Shen, Shuqi, Liang, Haoshen, Zhang, Xiaobin, Xiao, Manjun, Wang, Yuehui
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9499097/
https://www.ncbi.nlm.nih.gov/pubmed/36142313
http://dx.doi.org/10.3390/ijms231810402
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author Lin, Kaiwen
Du, Wenhao
Shen, Shuqi
Liang, Haoshen
Zhang, Xiaobin
Xiao, Manjun
Wang, Yuehui
author_facet Lin, Kaiwen
Du, Wenhao
Shen, Shuqi
Liang, Haoshen
Zhang, Xiaobin
Xiao, Manjun
Wang, Yuehui
author_sort Lin, Kaiwen
collection PubMed
description A series of symmetrical truxene-centered and 3-ethylrhodanine end-capped electron acceptors with high absorption coefficient, namely Tr(Hex)(6)-3RD, Tr(Dec)(6)-3RD, and Tr(Hex)(6)-6RD, were prepared and constructed for non-fullerene solar cells. To satisfy solution-processability, multiple energy levels, and suitable morphology, these three acceptors were comparatively studied through alkyl chain (hexyl/decyl) and branched-arm engineering (three/six branched arms). The six-bladed propeller acceptor of Tr(Hex)(6)-6RD recorded the power conversion efficiency (PCE) of 1.1% blending with PTB7-Th without additional additives and post-processing. This work highly broadens the potential applications of star-shaped truxene building blocks in the fields of organic electronics.
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spelling pubmed-94990972022-09-23 Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering Lin, Kaiwen Du, Wenhao Shen, Shuqi Liang, Haoshen Zhang, Xiaobin Xiao, Manjun Wang, Yuehui Int J Mol Sci Article A series of symmetrical truxene-centered and 3-ethylrhodanine end-capped electron acceptors with high absorption coefficient, namely Tr(Hex)(6)-3RD, Tr(Dec)(6)-3RD, and Tr(Hex)(6)-6RD, were prepared and constructed for non-fullerene solar cells. To satisfy solution-processability, multiple energy levels, and suitable morphology, these three acceptors were comparatively studied through alkyl chain (hexyl/decyl) and branched-arm engineering (three/six branched arms). The six-bladed propeller acceptor of Tr(Hex)(6)-6RD recorded the power conversion efficiency (PCE) of 1.1% blending with PTB7-Th without additional additives and post-processing. This work highly broadens the potential applications of star-shaped truxene building blocks in the fields of organic electronics. MDPI 2022-09-08 /pmc/articles/PMC9499097/ /pubmed/36142313 http://dx.doi.org/10.3390/ijms231810402 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Lin, Kaiwen
Du, Wenhao
Shen, Shuqi
Liang, Haoshen
Zhang, Xiaobin
Xiao, Manjun
Wang, Yuehui
Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering
title Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering
title_full Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering
title_fullStr Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering
title_full_unstemmed Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering
title_short Truxene-Centered Electron Acceptors for Non-Fullerene Solar Cells: Alkyl Chain and Branched Arm Engineering
title_sort truxene-centered electron acceptors for non-fullerene solar cells: alkyl chain and branched arm engineering
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9499097/
https://www.ncbi.nlm.nih.gov/pubmed/36142313
http://dx.doi.org/10.3390/ijms231810402
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