期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 191, 期 -, 页码 51-56出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2012.02.048
关键词
Graphene; ZnS; Nanocomposite; SERS; Fluorescence enhancement
资金
- Natural Science Foundation of Jiangsu Province, China [BK2011024]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
A ZnS-Graphene nanocomposite was prepared by a facile one-step hydrothermal method using zinc nitrate hexahydrate, ethylenediamine and carbon disulfide as precursors, graphene oxide as a template. The composite was characterized by X-ray power diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy, Fourier transform infrared, Raman spectra and fluorescence spectroscopy. The results show that graphene oxide was reduced to graphene in the hydrothermal reaction process. Simultaneously, the graphene sheets in the composite are exfoliated and decorated with ZnS nanoparticles. Furthermore, Raman and fluorescence properties of the composite were observed. ZnS-Graphene nanocomposite displays surface-enhanced Raman scattering activity for graphene oxide, and fluorescence enhancement property compared with pure ZnS sample. (C) 2012 Elsevier Inc. All rights reserved.
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