Study on the Preparation of ZnO/TiO2 Composite Nanostructures and Its Properties

Ziquan Liu*, Hongmei Yang, Ruicui Liu and Fuyi Jiang*

School of Environmental and Material Engineering, Yantai University, Yantai 264005, P.R. China

*Corresponding authors: Tel/Fax: +86 535 6706038; E-mail: lzqytu@163.com; liuziquantom@163.com

Abstract

The paper used the butyl titanate as the main resource to prepare TiO2 nano-powder by dry hydrothermal method firstly. Then the TiO2 samples were used as the main resources to adopt the hydro-thermal method to prepare TiO2 nano-tube. After that ZnCI2 and TiO2 nano-tube were used as the main resources to prepare ZnO/TiO2 composite nano-structure with the TiO2 nano-tube as the base by the hydro-thermal method. X-ray diffraction, transmission electron microscope and other methods were used to study the phase, appearance characterization and performance analysis of the products. Also the paper used the photo-catalysis experiment for comparing the decomposing ability of the methyl orange of ZnO/TiO2 composite nano-structure and pure TiO2 nano-tube under the ultraviolet light. The results showed that the prepared TiO2 nano-tubes are even in shape, ZnO in ZnO/TiO2 composite nano-structure covers evenly on the nano-tube and ZnO/TiO2 nano composite structure has a better photo-catalytic activity.

Keywords

TiO2, ZnO/TiO2, Nanotube, Composite nanostructures, Hydrothermal synthesis.

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