Preparation of Nano-sized TiO2 Thin Film by Surface Modification of Acrylic Acid

Abstract

Abstract: TiO₂ thin film photocatalyst was prepared by the sol-gel method with acrylic acid acted as the surface modifier. The TEM images showed that the aggregation of TiO₂ particles in the sol could be remarkably inhibited due to the modification of acrylic acid. The result of XRD and AFM analysis indicated that rapid grain growth of Nano- TiO₂ particles could be suppressed also by the modification in thermal treatments and the transformation temperature of anatase to rutile (A→R) was extended into more high range of 800-1000℃ compared with the unmodified TiO₂

Key words: surface modification, thermal aggregation, phase transformation, TiO₂ thin film

CLC Number:

O643

MAO Li-Qun,DING Yan,ZHANG Zhi-Jun,DANG Hong-Xin. Preparation of Nano-sized TiO₂ Thin Film by Surface Modification of Acrylic Acid[J]. Journal of Inorganic Materials.

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Preparation of Nano-sized TiO₂ Thin Film by Surface Modification of Acrylic Acid

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