Preparation and Characterization of ZnO/TiO₂ Nanocomposite by Anodization and Hydrothermal Synthesis

Abstract

ABSTRACT:ZnO nanorod arrays were deposited by hydrothermal process via an aqueous solution with ammonia and Zinc nitrate as inorganic precursors, using TiO 2 nanotube templates formed in HF solution by anodization method. The effect of NH 3 .H 2 O and ZnNO 3 concentration on ZnO nanorods morphology and crystallinity were investigated. XRD demonstrates that ZnO nanorods are wurtzite crystal structure preferentially oriented in c-axis direction. The length and the diameter of the ZnO nanorod range from 1,1 m to 3,4 m and from 250 to 500 nm respectively.