Mesoporous electrodes having tight agglomeration of single-phase anatase TiO2 nanocrystallites: Application to dye-sensitized solar cells |
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| Authors: | Shingo Kambe Kei Murakoshi Takayuki Kitamura Yuji Wada Shozo Yanagida Hiroshi Kominami Yoshiya Kera |
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| Affiliation: | a Material and Life Science, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan;b Department of Applied Chemistry, Faculty of Science and Engineering, Kinki University, Kowakae 3-4-1, Higashi-Osaka 577-0818, Japan |
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| Abstract: | Single-phase anatase nanocrystalline HyCOM-TiO2 (Hydrothermal Crystallization in Organic Media) to label this method was synthesized by high-temperature hydrolysis of titanium tetrabutoxide in toluene. The resulting HyCOM-TiO2 nanocrystallites were found to be covered by n-butoxide, yielding mesoporous, transparent anatase films with a narrow pore size distribution and good electron transport characteristic when sintered at 350–550°C on optically transparent conducting glass. Dye-sensitized solar cells made of the Ru-dye-adsorbed mesoporous HyCOM films as photoanodes achieved better photo-energy conversion efficiency as compared to those prepared using commercially available Degussa P25 films. |
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| Keywords: | Mesoporous TiO2 electrode Anatase Single phase Dye-sensitization |
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