Efficient carbazole-based small-molecule organic solar cells with an improved fill factor

In this study, a new acceptor–donor–acceptor (A–D–A) small molecule, DI3TCz, with carbazole as the central unit and 1,3-indanedione as the end group, was designed and synthesized for application in organic solar cells. In contrast to the molecule DR3TCz with rhodanine as end groups, DI3TCz exhibited...

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Autores principales: Liu, Yongtao, Sun, Yanna, Li, Miaomiao, Feng, Huanran, Ni, Wang, Zhang, Hongtao, Wan, Xiangjian, Chen, Yongsheng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2018
Materias:
Chemistry
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9077748/
https://www.ncbi.nlm.nih.gov/pubmed/35539552
http://dx.doi.org/10.1039/c7ra10387e
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author Liu, Yongtao
Sun, Yanna
Li, Miaomiao
Feng, Huanran
Ni, Wang
Zhang, Hongtao
Wan, Xiangjian
Chen, Yongsheng
author_facet Liu, Yongtao
Sun, Yanna
Li, Miaomiao
Feng, Huanran
Ni, Wang
Zhang, Hongtao
Wan, Xiangjian
Chen, Yongsheng
author_sort Liu, Yongtao
collection PubMed
description In this study, a new acceptor–donor–acceptor (A–D–A) small molecule, DI3TCz, with carbazole as the central unit and 1,3-indanedione as the end group, was designed and synthesized for application in organic solar cells. In contrast to the molecule DR3TCz with rhodanine as end groups, DI3TCz exhibited deep a LUMO energy level and a nearly unchanged HOMO energy level with a narrow optical band gap of 1.75 eV and red shifted absorption. Compared with DR3TCz, the DI3TCz device showed a PCE of 6.46% with a remaining high V(oc) value of 0.97 V, improved J(sc) of 10.40 mA cm(−1) and a notable FF of 0.65, which is the highest PCE value reported to data for carbazole-based small molecules OPVs.
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spelling pubmed-90777482022-05-09 Efficient carbazole-based small-molecule organic solar cells with an improved fill factor Liu, Yongtao Sun, Yanna Li, Miaomiao Feng, Huanran Ni, Wang Zhang, Hongtao Wan, Xiangjian Chen, Yongsheng RSC Adv Chemistry In this study, a new acceptor–donor–acceptor (A–D–A) small molecule, DI3TCz, with carbazole as the central unit and 1,3-indanedione as the end group, was designed and synthesized for application in organic solar cells. In contrast to the molecule DR3TCz with rhodanine as end groups, DI3TCz exhibited deep a LUMO energy level and a nearly unchanged HOMO energy level with a narrow optical band gap of 1.75 eV and red shifted absorption. Compared with DR3TCz, the DI3TCz device showed a PCE of 6.46% with a remaining high V(oc) value of 0.97 V, improved J(sc) of 10.40 mA cm(−1) and a notable FF of 0.65, which is the highest PCE value reported to data for carbazole-based small molecules OPVs. The Royal Society of Chemistry 2018-01-26 /pmc/articles/PMC9077748/ /pubmed/35539552 http://dx.doi.org/10.1039/c7ra10387e Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Liu, Yongtao
Sun, Yanna
Li, Miaomiao
Feng, Huanran
Ni, Wang
Zhang, Hongtao
Wan, Xiangjian
Chen, Yongsheng
Efficient carbazole-based small-molecule organic solar cells with an improved fill factor
title Efficient carbazole-based small-molecule organic solar cells with an improved fill factor
title_full Efficient carbazole-based small-molecule organic solar cells with an improved fill factor
title_fullStr Efficient carbazole-based small-molecule organic solar cells with an improved fill factor
title_full_unstemmed Efficient carbazole-based small-molecule organic solar cells with an improved fill factor
title_short Efficient carbazole-based small-molecule organic solar cells with an improved fill factor
title_sort efficient carbazole-based small-molecule organic solar cells with an improved fill factor
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9077748/
https://www.ncbi.nlm.nih.gov/pubmed/35539552
http://dx.doi.org/10.1039/c7ra10387e
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