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Title: A novel approach for the synthesis of nanocrystalline zinc oxide powders by room temperature co-precipitation method
Authors: Kumar, V R
Wariar, P R S
Prasad, V S
Jacob Koshy
Keywords: ZNO Film
Zinc oxide
Issue Date: 2011
Publisher: Elsevier
Citation: Materials Letters 65(13) 2059-2061;15 Jul 2011
Abstract: A single step co-precipitation route has been employed for the first time in the preparation of ZnO nanoparticles using ammonium hydroxide and zinc nitrate tetrahydrate. The X-ray diffraction analysis revealed that the synthesized powder has the hexagonal (wurtzite) structure. The as-prepared ZnO powder was well crystalline, without any calcination. This is a promising result compared to those mentioned in the literature, in which crystallization of ZnO nanoparticles was detected at >300 degrees C. The average crystallite size of the as-prepared ZnO nanopowder is 20-40 nm. The nanocrystalline ZnO could be sintered to similar to 95% of the theoretical density at 1300 degrees C in 4 h.
ISSN: 0167-577X
Appears in Collections:2011

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