Nanoscale Research Letters
Volume 4, Number 3, 247-253, DOI: 10.1007/s11671-008-9233-2Open Access

Nano Express

Synthesis and Characterization of ZnO Nanorods and Nanodisks from Zinc Chloride Aqueous Solution

Tengfa Long, Shu Yin, Kouta Takabatake, Peilin Zhnag and Tsugio Sato

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Abstract

ZnO nanorods and nanodisks were synthesized by solution process using zinc chloride as starting material. The morphology of ZnO crystal changed greatly depending on the concentrations of Zn2+ ion and ethylene glycohol (EG) additive in the solution. The effect of thermal treatment on the morphology was investigated. Photocatalytic activities of plate-like Zn5(OH)8Cl2 · H2O and rod-like ZnO were characterized. About 18% of 1 ppm NO could be continuously removed by ZnO particles under UV light irradiation.

Keywords  ZnO nanorod - ZnO nanodisk - Photocatalytic activity - Zinc chloride

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