期刊
APPLIED SURFACE SCIENCE
卷 257, 期 24, 页码 10758-10762出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2011.07.093
关键词
Graphene sheets; Sodium citrate; Hybrid materials
类别
资金
- East China Institute of Technology
- Foundation of Jiangxi Educational Committee [GJJ11487]
- National Natural Science Foundation of China [21004009]
In this paper, we proposed a novel and green approach for the synthesis of graphene nanosheets (GNS) and Pt nanoparticles-graphene nanosheets (Pt/GNS) hybrid materials, employing graphene oxide (GO) as precursor and sodium citrate as environmentally friendly reducing and stabilizing agent. The microstructures of GO and Pt/GNS were characterized by high resolution transmission electron microscopy (HRTEM), scanning electron microscopy (SEM), Raman spectroscopy, atomic force microscopy (AFM), X-ray diffraction (XRD) and electrochemical measurements. The results confirmed that the uniform size distribution of Pt nanoparticles on the surface of GNS without agglomerates could be easily obtained via using sodium citrate as reductant, moreover the Pt/GNS hybrids exhibited high electrochemical activity. (C) 2011 Elsevier B. V. All rights reserved.
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