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Published in: Journal of Nanoparticle Research 5/2010

01-06-2010 | Research Paper

Growth of monodisperse nanocrystals of cerium oxide during synthesis and annealing

Authors: Swapankumar Ghosh, Damodaran Divya, Kottayilpadi C. Remani, Thadathil S. Sreeremya

Published in: Journal of Nanoparticle Research | Issue 5/2010

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Abstract

Monodisperse cerium oxide nanocrystals have been successfully synthesised using simple ammonia precipitation technique from cerium(III) nitrate solution at different temperatures in the range 35–80 °C. The activation energy for growth of CeO2 nanocrystals during the precipitation is calculated as 11.54 kJ/mol using Arrhenius plot. Average crystal diameter was obtained from XRD analysis, HR-TEM and light scattering (PCS). The analysis of size data from HR-TEM images and PCS clearly indicated the formation of highly crystalline CeO2 particles in narrow size range. CeO2 nanocrystals precipitated at 35 °C were further annealed at temperatures in the range 300–700 °C. The activation energy for crystal growth during annealing is also calculated and is close to the reported values. An effort is made to predict the mechanism of crystal growth during the precipitation and annealing.

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Metadata
Title
Growth of monodisperse nanocrystals of cerium oxide during synthesis and annealing
Authors
Swapankumar Ghosh
Damodaran Divya
Kottayilpadi C. Remani
Thadathil S. Sreeremya
Publication date
01-06-2010
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 5/2010
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-009-9753-4

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