Influences of solvents on morphology,light absorbing ability and photovoltaic performance of Sb2S3-sensitized TiO2 photoanodes by chemical bath deposition method |
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| Authors: | Zhang Lan Xiaoping Zhang Shi Jie Kang Jihuai Wu Suwen Gao Xiaomin Chen |
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| Affiliation: | 1. Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Key Laboratory of Functional Materials for Fujian Higher Education, Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, 362021, China
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| Abstract: | Sb2S3-sensitized TiO2 films were prepared with chemical bath deposition (CBD) method. The influences of acetone and acetic acid solvents on the morphologies of Sb2S3-sensitized TiO2 films and their light absorbing ability were investigated. Furthermore, photoelectrochemical solar cells containing Sb2S3-sensitized TiO2 photoanodes, polyaniline, and Pt counter electrodes were prepared to investigate the photovoltaic performance of these Sb2S3-sensitized TiO2 films. It was found that the Sb2S3-sensitized TiO2 photoanode prepared with CBD method in the solution containing acetic acid showed higher light absorption in short-wavelength region, lower charge transfer resistance and longer electron lifetime compared with that of the one prepared with CBD method in the solution containing acetone, resulting in better photovoltaic performance. |
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