Nanoparticle and nanorod TiO2 composite photoelectrodes with improved performance |
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Authors: | Ai Guo Sun Wen-Tao Zhang Yi-Ling Peng Lian-Mao |
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Institution: | Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University, Beijing, China. |
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Abstract: | A novel nanoparticle-nanorod composite TiO(2) photoelectrode is fabricated. A 3.20% efficiency is achieved by using a 2.1 μm-thick as-prepared photoelectrode, which is about 3 times of that obtained by a nanorod array electrode (1.05%). The results demonstrate that the composite nanostructure can take advantage of both fast electron transport (nanorod) and high surface area (nanoparticle). |
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