Home Technology Effects of PVP and CTAB surfactants on the morphology of cerium oxide nanoparticles synthesized via co-precipitation method
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Effects of PVP and CTAB surfactants on the morphology of cerium oxide nanoparticles synthesized via co-precipitation method

  • Ata Chitsaz , Marzieh Jalilpour and Mohammad Fathalilou
Published/Copyright: August 22, 2013
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Abstract

This paper reports the synthesis and characterization of CeO2 nanoparticles via a simple and cost-effective co-precipitation method using cerium (III) nitrate hexahydrate, ammonium carbonate, cetyltrimethylammonium bromide (CTAB) and polyvinyl pyrrolidone (PVP) as the starting chemicals. The precursor was calcined at 600 °C for 2 h to obtain CeO2 nanoparticles. The X-ray diffraction and Fourier transform infrared spectroscopy analysis results indicated that the calcined CeO2 sample has the fluorite structure of CeO2 and adding surfactant increases the obtained CeO2 amount. Transmission electron microscopy revealed that the CeO2 samples consist of crystalline particles of 5–8 nm which are weakly aggregated and using the surfactants further decreases the agglomeration. The effects of PVP in decreasing the crystallite size and agglomeration, as well as, increasing the obtained CeO2 amount have been greater than for CTAB.


* Correspondence address, Dr. Ata Chitsaz, Department of Mechanical Engineering, Khoy Branch, Islamic Azad University, Khoy, Iran, Tel.: +98-914-363-6714, Fax: +98-4612550001, E-mail:

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Received: 2012-12-12
Accepted: 2013-2-21
Published Online: 2013-08-22
Published in Print: 2013-05-10

© 2013, Carl Hanser Verlag, München

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