Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 277, Issue 1, Pages 100-103Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2004.04.026
Keywords
copper; nanofluids; nanoparticles; one-step chemical method; microwave irradiation
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This paper presents a novel one-step method for preparing of copper nanofluids by reducing CuSO4.5H(2)O with NaH2PO2.H2O in ethylene glycol under microwave irradiation. Nonagglomerated and stably suspended Cu nanofluids are obtained. The influences of CuSO4 concentration, addition of NaH2PO2, and microwave irradiation on the reaction rate and the properties of Cu nanofluids were investigated by transmission electron microscopy, infrared analysis, and sedimentation measurements. It is found to be a fast, efficient one-step chemical method to prepare Cu nanofluids. (C) 2004 Elsevier Inc. All rights reserved.
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