Issue 16, 2011
From the journal:

Journal of Materials Chemistry

Efficient organic DSSC sensitizers bearing an electron-deficient pyrimidine as an effective π-spacer†

Li-Yen Lin,a   Chih-Hung Tsai,b   Ken-Tsung Wong,*a   Tsung-Wei Huang,b   Chung-Chih Wu,*b   Shu-Hua Chou,a   Francis Lin,a   Shinn-Horng Chenc  and  An-I Tsaic  

* Corresponding authors

a Department of Chemistry, National Taiwan University, Taipei, Taiwan
E-mail: kenwong@ntu.edu.tw
Fax: + 886-2-33661667
Tel: + 886-2-33661665

b Department of Electrical Engineering, Graduate Institute of Photonics and Optoelectronics, and Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan
E-mail: chungwu@cc.ee.ntu.edu.tw
Fax: +886-2-2367 1909
Tel: +886-2-3366 3636

c Energy Material Research Group, Eternal Chemical Co., Ltd., Kaohsiung, Taiwan

Abstract

A series of new push–pull organic dyes incorporating electron-deficient pyrimidine as the π-spacer have been synthesized, characterized, and used as the sensitizers for dye-sensitized solar cells (DSSCs). In comparison with the model compound M-TP, which adopts phenylene as the π-spacer, the tailor-made dyes display enhanced spectral responses in the red portion of the solar spectrum. Through the introduction of two hexyloxy chains on the diphenylthienylamine donor, the DSSC employing dye OHexDPTP exhibited high power conversion efficiency up to 7.64% under AM1.5G irradiation.

Graphical abstract: Efficient organic DSSC sensitizers bearing an electron-deficient pyrimidine as an effective π-spacer

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Article information

DOI
https://doi.org/10.1039/C1JM10201J
Article type
Paper
Submitted
14 Jan 2011
Accepted
09 Feb 2011
First published
08 Mar 2011

J. Mater. Chem., 2011,21, 5950-5958

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Efficient organic DSSC sensitizers bearing an electron-deficient pyrimidine as an effective π-spacer

L. Lin, C. Tsai, K. Wong, T. Huang, C. Wu, S. Chou, F. Lin, S. Chen and A. Tsai, J. Mater. Chem., 2011, 21, 5950 DOI: 10.1039/C1JM10201J

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