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S.-Q. FAN1, R.-J. CAO1,* , Y.-X. XI1, M. GAO1, M.-D. WANG1, G. WANG1, C.-W. KIM2, J.-J. KIM2, C. BAIK2
A coral-like TiO2 film with peculiar morphology was reported in this study. It was composed of submicrometer-sized aggregates of nanocrystalline TiO2 particles and submicrometer-sized micropores. Dye-sensitized solar cells (DSSCs) were assembled based on these TiO2 films. Because of the superior light scattering property and the nature of high electron diffusion coefficient of the coral-like TiO2 electrode, the solar cell presented a red-shifted IPCE spectrum, output a higher photocurrent (15.24 mA cm-2) and an improved power conversion efficiency (8.57%), compared with that made from commonly-used TiO2 film. This finding is evident to break through the traditional concept which thinks the aggregation should be avoided in TiO2 films for DSSCs. Therefore, it is necessary to redefine the optimal TiO2 architecture in this field..
Coral-like TiO2 film, Light scattering, Dye-sensitized solar cell.
S.-Q. FAN, R.-J. CAO, Y.-X. XI, M. GAO, M.-D. WANG, G. WANG, C.-W. KIM, J.-J. KIM, C. BAIK, Improved performance of dye-sensitized solar cell by using a coral-like TiO2 film, Optoelectronics and Advanced Materials - Rapid Communications, 3, 2, February 2009, pp.101-105 (2009).
Submitted at: Jan. 28, 2009
Accepted at: Feb. 13, 2009
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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