Thieno[2,3,a]carbazole donor-based organic dyes for high efficiency dye-sensitized solar cells

Jian Zhao; Kazuaki Oniwa; Ashraful Islam; Chuanjiang Qin; Naoki Asao; Liyuan Han; Yoshinori Yamamoto; Tienan Jin

doi:10.1039/c4qo00285g

Thieno[2,3,a]carbazole donor-based organic dyes for high efficiency dye-sensitized solar cells

Jian Zhao, Kazuaki Oniwa, Ashraful Islam, Chuanjiang Qin, Naoki Asao, Liyuan Han, Yoshinori Yamamoto, Tienan Jin

SCI - Research and Analytical Center for Giant Molecules

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

A new series of donor-π-acceptor organic K-dyes based on the thieno[2,3,a]carbazole moiety as a new electron donor, trithiophene as a π-linker and cyanoacrylic acid as an electron acceptor were designed and synthesized for achieving high performances in dye-sensitized solar cells (DSCs). The substituent effect and the molecular planarity for photophysical properties and DSC performances of K-dyes have been investigated, and the highest power conversion efficiency of 7.4% has been achieved. EIS and IMVS were employed to study the effect of the molecular structure on the charge transfer process and electron lifetime.

Original language	English
Pages (from-to)	253-258
Number of pages	6
Journal	Organic Chemistry Frontiers
Volume	2
Issue number	3
DOIs	https://doi.org/10.1039/c4qo00285g
Publication status	Published - 2015 Mar

ASJC Scopus subject areas

Organic Chemistry

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title = "Thieno[2,3,a]carbazole donor-based organic dyes for high efficiency dye-sensitized solar cells",

abstract = "A new series of donor-π-acceptor organic K-dyes based on the thieno[2,3,a]carbazole moiety as a new electron donor, trithiophene as a π-linker and cyanoacrylic acid as an electron acceptor were designed and synthesized for achieving high performances in dye-sensitized solar cells (DSCs). The substituent effect and the molecular planarity for photophysical properties and DSC performances of K-dyes have been investigated, and the highest power conversion efficiency of 7.4% has been achieved. EIS and IMVS were employed to study the effect of the molecular structure on the charge transfer process and electron lifetime.",

author = "Jian Zhao and Kazuaki Oniwa and Ashraful Islam and Chuanjiang Qin and Naoki Asao and Liyuan Han and Yoshinori Yamamoto and Tienan Jin",

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T1 - Thieno[2,3,a]carbazole donor-based organic dyes for high efficiency dye-sensitized solar cells

AU - Zhao, Jian

AU - Oniwa, Kazuaki

AU - Islam, Ashraful

AU - Qin, Chuanjiang

AU - Asao, Naoki

AU - Han, Liyuan

AU - Yamamoto, Yoshinori

AU - Jin, Tienan

PY - 2015/3

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AB - A new series of donor-π-acceptor organic K-dyes based on the thieno[2,3,a]carbazole moiety as a new electron donor, trithiophene as a π-linker and cyanoacrylic acid as an electron acceptor were designed and synthesized for achieving high performances in dye-sensitized solar cells (DSCs). The substituent effect and the molecular planarity for photophysical properties and DSC performances of K-dyes have been investigated, and the highest power conversion efficiency of 7.4% has been achieved. EIS and IMVS were employed to study the effect of the molecular structure on the charge transfer process and electron lifetime.

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