Chemical treatments of the nanocrystalline porous TiO2 electrodes |
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Authors: | Dongshe Zhang Yao Liu Weibo Wang Xurui Xiao |
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Institution: | (1) Laboratory of Photochemistry, Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, 100080 Beijing, China |
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Abstract: | Two types of nanocrystalline porous TiO2 electrodes were prepared by the hydrothermal and painting methods. The incident photon-to-current efficiency and photoelectrical
conversion efficiency were both improved by chemical treatments of titanium tetrachloride and titanium isopropoxide. The surface
roughness, quantities of adsorbed dye, photocurrent-voltage curves, IR spectra and UV-visible absorption spectra were measured,
and the mechanism of chemical treatments was discussed. |
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Keywords: | nanocrystalline porous TiO2 film dye sensitization chemical treatment solar cell |
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