Journal
ULTRASONICS SONOCHEMISTRY
Volume 17, Issue 2, Pages 344-351Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2009.06.006
Keywords
Sonochemical synthesis; CuAl2O4 spinel; Nanopowder; Precursor approach
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Funding
- R/D Fund of Shenzhen University [200708]
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Nanosized copper aluminate (CuAl2O4) spinel particles have been prepared by a precursor approach with the aid of ultrasound radiation. Mono-phasic copper aluminate with a crystallite diameter of 17 nm along the (3 1 1) plane was formed when the products were synthesized using Cu(NO3)(2)center dot 6H(2)O and Al(NO3)(3)center dot 9H(2)O as starting materials, with urea as a precipitation agent at a concentration of 9 M. The reaction was carried out under ultrasound irradiation at 80 degrees C for 4 h and a calcination temperature of 900 degrees C for 6 h. The synthesized copper aluminate particles and the effect of different processing conditions such as the copper source, precipitation agents, sonochemical reaction time, calcination temperature and time were analyzed and characterized by the techniques of powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), atomic force microscopy (AFM) and Fourier transformation infrared spectroscopy (FT-IR). (C) 2009 Elsevier B.V. All rights reserved.
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