Table of Contents
Journal of Nanoparticles
Volume 2016, Article ID 8389647, 6 pages
Research Article

Hydrophobic Coatings Composed by Cubic-Shaped CdO Nanoparticles Grown by a Novel and Simple Microwave Method

1Institute of Material Engineering, Islamic Azad University of Najafabad, Najafabad, Isfahan 85141-43131, Iran
2Division of Graduate Studies and Research, Instituto Tecnológico de Toluca, Avenida Tecnológico, s/n, Colonia Agrícola Buenavista, 52149 Metepec, MEX, Mexico
3Apartado Postal 20, 52176 Metepec 3, MEX, Mexico

Received 30 October 2015; Accepted 16 December 2015

Academic Editor: Ipsita Banerjee

Copyright © 2016 Mehrdad Rashidzadeh 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.


Cube-shaped cadmium oxide (CdO) nanoparticles were deposited by a novel low cost microwave evaporation technique. High purity cadmium (Cd) flakes were placed in a microwave susceptor inside a commercial microwave oven. Metallic Cd was evaporated in less than 2 minutes and it was oxidized due to ambient oxygen. The CdO nanoparticles were deposited on a glass substrate placed few centimeters above the susceptor. The surfaces with nanoparticles were treated with a solution containing ethanol and phenyltriethoxysilane (PTES), and the hydrophobic properties of the as-synthesized and post-PTES-treated surfaces were studied. Morphological and structural information of the as-synthesized nanoparticles were investigated via SEM and XRD analysis. Contact angles () for the as-synthesized CdO surfaces were about 112°, whereas, for ethanol/PTES-treated CdO nanoparticles surfaces, contact angles were improved to about 158°. Thus, ethanol/PTES-treated CdO nanoparticles obtained by this simple procedure showed superhydrophobicity properties of potential use in micro fluidic devices and some other applications in the future.