Growth and UV Absorption of 5 mol% Zn-Doped CeO2 Nanoparticle Synthesized with a Simple Precipitation Process

Iis Nurhasanah; Aula Fitra Efendi; Heri Sutanto; Priyono Priyono

doi:10.4028/www.scientific.net/MSF.827.62

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HomeMaterials Science ForumMaterials Science Forum Vol. 827Growth and UV Absorption of 5 mol% Zn-Doped CeO2...

Growth and UV Absorption of 5 mol% Zn-Doped CeO₂ Nanoparticle Synthesized with a Simple Precipitation Process

Abstract:

Nanoparticles of the 5 mol% Zn-doped CeO₂ have been synthesized by simple precipitation process from aqueous/alcoholic solution of cerium nitrate and zinc nitrate mixture at room temperature. Dried precipitates were calcined at 300-700°C for 2 hours. The structure and growth of 5 mol% Zn-doped CeO₂ was investigated using X-ray diffraction measurement. All the peaks in X-ray diffraction patterns are identified and indexed as single crystalline phase of cubic fluorite CeO₂. The enhancement in calcination temperature increases the crystallite size from 5.51 to 15,56 nm and improves crystallinity of that nanoparticle. The low activation energy for crystallite growth of the 5 mol% Zn-doped CeO₂ is found to be 10.85 kJ/mol. The UV-Vis spectrophotometer measurement shows the UV absorption property of the 5 mol% Zn-doped CeO₂ enhanced with the increasing calcination temperature. The 5 mol% Zn-doped CeO₂ nanoparticle calcined at temperature 600°C is found to be more effective as UV-blocker.

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Materials Science Forum (Volume 827)

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62-66

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https://doi.org/10.4028/www.scientific.net/MSF.827.62

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Online since:

August 2015

Authors:

Iis Nurhasanah*, Aula Fitra Efendi, Heri Sutanto, Priyono Priyono

Keywords:

Crystallite Growth, Nanoparticle, Precipitation, UV Absorbance, Zinc-Doped CeO₂

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