Influence of Cu Dopants on Structure and Properties of Nanpsized TiO2 Particulate Film

Abstract

Abstract: Transparent TiO₂ thin film and Cu-doped TiO₂ thin film were prepared by the sol-gel method on the soda lime glass substrates. The change of hydrophilicity
of the films under UV illumination was investigated. The results of XRD, UV-VIS, XPS and AFM show that Cu ions are in the form of Cu₂O. The addition of Cu ions
can suppress the grain growth of crystals in the TiO₂ thin film. Pure TiO₂ thin film can be entirely wetted by water after UV illumination for 5h and shows
good hydrophilicity. The hydrophilicity of TiO₂ will decrease with increasing amount of Cu dopants.

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

CLC Number:

O484

JIANG Hong-Bo,GAO Lian,ZHANG Qing-Hong. Influence of Cu Dopants on Structure and Properties of Nanpsized TiO₂ Particulate Film[J]. Journal of Inorganic Materials.

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Influence of Cu Dopants on Structure and Properties of Nanpsized TiO₂ Particulate Film

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