Preparation and Properties of Fe2O3/TiO2 and ZnO/TiO2 Nanosized Particulate Thin Films

Abstract

Abstract: Transparent TiO₂ thin film and Fe₂O₃/ TiO₂ and ZnO/ TiO₂ thin films were prepared by sol-gel methods on the soda lime glass substrates. The
results of AFM show that the addition of Fe and Zn ions can suppress the grain growth of TiO₂ thin films. The changes of the hydrophilicity of the films
under the UV illumination were investigated. The pure TiO₂ thin film can be entirely wetted by water after UV illumination for 5h and shows good hydrophilicity.
The hydrophilicity of TiO₂ thin films increases with increase in Fe/Zn ions doped. The photocatalytic activities of TiO₂ films in photodegradation of methylene
orange solution decrease with increase in Fe ions doped but increase with increase in small amount of Zn ions doped.

Key words: sol-gel method, hydrophilicity, photocatalyticity, metal dopants, TiO₂

CLC Number:

O484

JIANG Hong-Bo,GAO Lian,ZHANG Qing-Hong. Preparation and Properties of Fe₂O₃/TiO₂ and ZnO/TiO₂ Nanosized Particulate Thin Films[J]. Journal of Inorganic Materials.

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Preparation and Properties of Fe₂O₃/TiO₂ and ZnO/TiO₂ Nanosized Particulate Thin Films

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