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Journal of Nanomaterials
Volume 2010, Article ID 543601, 5 pages
http://dx.doi.org/10.1155/2010/543601
Research Article

Preparation of ITO Nanoparticles by Liquid Phase Coprecipitation Method

1School of Material Science and Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, China
2College of Science, Hebei University of Science and Technology, Shijiazhuang 050054, China

Received 16 November 2009; Revised 24 January 2010; Accepted 26 January 2010

Academic Editor: Yanqiu Zhu

Copyright © 2010 Zhanlai Ding et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The nanoscale indium tin oxide (ITO) particles are synthesied by liquid phase coprecipitation method under given conditions with solution of indium chloride, tin chloride, and ammonia. The absolute ethyl alcohol or deionized water was used as solvent and the dodecylamine or hexadecylamine surfactant was used as a dispersant in the reaction system. The sample powder was characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and high-resolution electron microscopy (HRTEM). Based on the transmission electron micrograph, the influences of the two different solvents and the two different dispersants on the nanoparticle size and dispersion were studied, respectively. The results showed that the ITO particles are finely crystallized body-centered cubic structure. The particle size has distributed in 30 nm to 90 nm.