期刊
APPLIED SURFACE SCIENCE
卷 257, 期 3, 页码 747-751出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2010.07.058
关键词
Graphene; Cadmium sulfide; Synthesis; Nanocomposite
类别
资金
- Natural Science Foundation of Jiangsu Province [BK2009196]
- Key Laboratory Foundation of Fine Petrochemical Engineering of Jiangsu Province [KF0905]
Graphene-based nanocomposites are emerging as a new class of materials that hold promise for many applications. In this paper, we present a facile approach for the preparation of graphene/CdS nanocomposites through simple reflux processes, in which thiourea (CS(NH(2))(2)) and thioacetamide (C(2)H(5)NS) act as a sulphide source, respectively. The samples were characterized by the X-ray diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectrum (FT-IR), ultraviolet-visible (UV-vis) spectroscopy and thermogravimetry analysis. It was shown that in the nanocomposites, the CdS nanoparticles were densely and uniformly deposited on the graphene sheets, and the sulphide source used has a great influence on the morphology, structure and property of the graphene/CdS nanocomposites. The good distribution of CdS nanoparticles on graphene sheets guarantees the efficient optoelectronic properties of graphene/CdS and would be promising for practical applications in future nanotechnology. (C) 2010 Elsevier B. V. All rights reserved.
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