Issue 21, 2012
From the journal:

Journal of Materials Chemistry

High-performance dye-sensitized solar cells based on 5,6-bis-hexyloxy-benzo[2,1,3]thiadiazole†

Hsien-Hsin Chou,a   Yung-Chung Chen,a   Hsuan-Jui Huang,b   Ting-Hui Lee,c   Jiann T. Lin,*a   Chiitang Tsaic  and  Kellen Chend  

* Corresponding authors

a Institute of Chemistry, Academia Sinica, 11529 Nankang, Taipei, Taiwan
E-mail: jtlin@chem.sinica.edu.tw
Fax: +886-2-2783-1237
Tel: +886-2-2789-8523

b Department of Chemical Engineering, Tatung University, 10452 Taipei, Taiwan

c Department of Chemistry, Chinese Culture University, 11114 Taipei, Taiwan

d AU Optronics Corporation, 30078 Hsinchu, Taiwan

Abstract

New dipolar compounds containing a 5,6-bis-hexyloxy-benzo[2,1,3]thiadiazole entity in the conjugated spacer between the electron donating arylamine and the electron accepting 2-cyanoacrylic acid have been synthesized. These compounds were used as the sensitizers for efficient dye-sensitized solar cells. Compared to the congeners without the hexyloxy chains, the new dyes effectively suppress the dark currents and significantly improve the cell performance. The best conversion efficiency reached ∼92% of the N719-based standard DSSC fabricated and measured under similar conditions (AM 1.5 irradiation).

Graphical abstract: High-performance dye-sensitized solar cells based on 5,6-bis-hexyloxy-benzo[2,1,3]thiadiazole

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Article information

DOI
https://doi.org/10.1039/C2JM30427A
Article type
Paper
Submitted
20 Jan 2012
Accepted
21 Mar 2012
First published
22 Mar 2012

J. Mater. Chem., 2012,22, 10929-10938

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High-performance dye-sensitized solar cells based on 5,6-bis-hexyloxy-benzo[2,1,3]thiadiazole

H. Chou, Y. Chen, H. Huang, T. Lee, J. T. Lin, C. Tsai and K. Chen, J. Mater. Chem., 2012, 22, 10929 DOI: 10.1039/C2JM30427A

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