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A serial of porous TiO2‐ZnO composite thin films have been successfully synthesized by a facile one‐pot dip‐coating method, utilizing the amphiphilic triblock copolymer Pluronic P123 as the surfactant, and the Ti(OnBu)4 and ZnCl2 as the inorganic sources. The resultant materials are characterized in detail by X‐ray diffraction, atomic force microscopy, scanning electron microscopy and water contact angle measurements. The results indicate that the porous TiO2‐ZnO thin film after being calcined at 550°C possesses superhydrophilicity without light irradiation, which could be attributed to the high surface roughness and porous structure. What's more, it exhibits the long‐term superhydrophilic stability, which would have potential applications in fields of environment.
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Li et al. (2016) studied this question.
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