期刊
MATERIALS LETTERS
卷 62, 期 17-18, 页码 3181-3184出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2008.02.014
关键词
copper sulfide; ionic liquids; nanomaterials; semiconductors
At room temperature, hierarchical copper sulfide (CuS) nanoparticles were successfully fabricated through an ionic liquid-assisted route employing CuCl2 and thioacetamide (TAA) as the starting materials. In the presence of ionic liquid 1-n-butyl-3-methylimidazolium tetrafluoroborate ([BMIM]BF4), in situ fortried Cu(I)-complex as the precursor could easily dissociate to the CuS species at so low temperature. The product was characterized by means of X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It was found that the hierarchical CuS nanoparticles were of 250-300 nm in size and well-constructed by numerous nanoflakes with a thickness less than 10 nm. In this paper, an ecologically and environmentally friendly preparation route for CuS nanostructures was proposed. (c) 2008 Elsevier B.V. All rights reserved.
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