Journal
MATERIALS RESEARCH BULLETIN
Volume 35, Issue 3, Pages 465-469Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0025-5408(00)00233-6
Keywords
nanostructures; crystal growth; electron microscopy; X-ray diffraction; crystal structure
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A convenient hydrothermal method has been successfully developed to prepare nanocrystalline CuSe and Ag2Se, based on the reactions of CuCl2. 2H(2)O and AgNO3 with elemental selenium in dilute aqueous ammonia systems, respectively. X-ray diffraction (XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS) examinations were carried out to determine the phase, grain size, morphology, and purity of the products, The aqueous ammonia system plays an important role in the formation of nanocrystalline CuSe and Ag2Se. A possible mechanism is proposed. (C) 2000 Elsevier Science Ltd. All rights reserved.
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