Abstract
The sub-micron size anatase TiO2 particles with size about 0.2-0.3 μm were synthesized with basic peptizing agent and hydrothermal method and added into TiO2 film as light scattering center. The addition of the sub-micron size anatase TiO2 particles enhanced light scattering and dye adsorption abilities of the TiO2 film. When the weight proportion of the sub-micron size/nano-size TiO2 particles in the TiO2 film attained to 1.25/10, the highest energy conversion efficiency about 7.41% was obtained, which was 23% enhancement comparing with the TiO2 film containing pure nano-size TiO2 particles. It presented an efficient way for improving the photovoltaic performance of dye-sensitized solar cell.
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Acknowledgments
The authors would like to acknowledge the support of the National High Technology Research and Development Program of China (No. 2009AA03Z217), the National Natural Science Foundation of China (No. 90922028, 50842027), and the Natural Science Foundation of Hua Qiao University (No. 09BS401).
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Lan, Z., Wu, J., Lin, J. et al. Preparation of sub-micron size anatase TiO2 particles for use as light-scattering centers in dye-sensitized solar cell. J Mater Sci: Mater Electron 21, 833–837 (2010). https://doi.org/10.1007/s10854-009-0003-4
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DOI: https://doi.org/10.1007/s10854-009-0003-4