Influence of sintering temperature on the phases and photoelectric characteristics of BiOCl/ZnO composite powders |
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Authors: | Song Chen De-gui Zhu |
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Institution: | School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China |
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Abstract: | Zinc oxide is a typical functional oxide that has been widely researched for various industry applications due to its peculiar physi-cal characteristics. However, to achieve its potential in promising applications, much work has been diligently performed to improve the physical properties of ZnO. In this work, an aqueous suspension route was used to prepare BiOCl/ZnO composite powders, and sintering processes were applied to investigate the influence of sintering temperature on the phase evolutions, microstructures, and photoelectric cha-racteristics of BiOCl/ZnO composite powders. The results indicated that the photoelectric properties mainly depend on the relevant content of BiOCl in the composite powders and the sintering temperature. The photoelectric measurements in K2SO4 solutions show that the photoe-lectric properties of the samples with the appropriate BiOCl content (0.3mol% and 2.0mol%) are better than those of ZnO and commercial TiO2 (P25) powders, but the photoelectric measurements in NaOH solutions indicate that the photoelectric characteristics of the as-sintered samples are only better than those of P25. |
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Keywords: | ZnO/BiOCl composites sintering temperature microstructures photoelectric characteristics |
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