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Proceedings Paper

Electrochemical study on the TiO2 porous electrodes for metal-free dye-sensitized solar cells
Author(s): D. W. Zhang; S. Chen; X. D. Li; Z. A. Wang; J. H. Shi; Z. Sun; X. J. Yin; S. M. Huang
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Paper Abstract

Nanocrystalline TiO2 porous electrodes were prepared by screen-printing method in order to efficiently control the fabrication process. TiO2 viscous pastes were prepared from commercial TiO2 nano powder using ethyl cellulose as a porosity controlling agent. A metal-free organic dye (indoline dye D102) was used as a sensitizer. TiO2 porous electrodes with different thicknesses were investigated. The optical and physical properties of the TiO2 films, dye adsorption behavior and performance of dye-sensitized solar cells (DSCs) were investigated systemically. The electronic and ionic processes in DSCs were analysized and discussed by electrochemical impedance spectroscopy (EIS). High conversion efficiencies over 8.00 % under illumination of simulated AM1.5 sunlight (60mW/cm2) were achieved.

Paper Details

Date Published: 13 October 2009
PDF: 10 pages
Proc. SPIE 7518, Photonics and Optoelectronics Meetings (POEM) 2009: Solar Cells, Solid State Lighting, and Information Display Technologies, 75180B (13 October 2009); doi: 10.1117/12.840614
Show Author Affiliations
D. W. Zhang, East China Normal Univ. (China)
S. Chen, East China Normal Univ. (China)
X. D. Li, East China Normal Univ. (China)
Singapore Polytechnic (Singapore)
Z. A. Wang, East China Normal Univ. (China)
J. H. Shi, East China Normal Univ. (China)
Z. Sun, East China Normal Univ. (China)
X. J. Yin, Singapore Polytechnic (Singapore)
S. M. Huang, East China Normal Univ. (China)


Published in SPIE Proceedings Vol. 7518:
Photonics and Optoelectronics Meetings (POEM) 2009: Solar Cells, Solid State Lighting, and Information Display Technologies
Michael Grätzel; Hiroshi Amano; Chin Hsin Chen; Changqing Chen; Peng Wang, Editor(s)

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