Journal
MATERIALS RESEARCH BULLETIN
Volume 47, Issue 4, Pages 1089-1095Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2011.12.058
Keywords
Oxides; Semiconductors; Chemical synthesis; Optical properties
Categories
Funding
- Ferdowsi University of Mashhad [P348]
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Cerium oxide, ceria (CeO2), is one of the favourable nanoparticles (NPs) that possesses many remarkable properties so that it can be used in medicine, chemistry, environment, energy, information, industry, and so on. In this study, the crystalline ceria NPs were successfully prepared by an efficient microwave-assisted heating technique from an aqueous solution using different cerium salts (Ce(IV) and Ce(III) salts). The products were characterized by X-ray powder diffraction (XRD), transmission electron microscope (TEM), FTIR spectroscopy, Raman spectroscopy, and UV-vis absorption spectroscopy. the results revealed that changing the precursor led to great effects on size, band gap energy, and the reaction time of preparing the ceria NPs. The significant feature of this manuscript is that the effects of different precursors on the structural and optical properties of ceria NPs were investigated for the first time. The average particle size of different samples was below 8 nm. (C) 2012 Elsevier Ltd. All rights reserved.
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