Nano Archive

Facile synthesis and application of Ag-chemically converted graphene nanocomposite

Shen, Jianfeng and Shi, Min and Li, Na and Yan, Bo and Ma, Hongwei and Hu, Yizhe and Ye, Mingxin (2010) Facile synthesis and application of Ag-chemically converted graphene nanocomposite. Nano Research, 3 (5). pp. 339-349.

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An in situ chemical synthesis approach has been employed to prepare an Ag-chemically converted graphene (CCG) nanocomposite. The reduction of graphene oxide sheets was accompanied by generation of Ag nanoparticles. The structure and composition of the nanocomposites were confirmed by means of transmission electron microscopy (TEM), atomic force microscopy (AFM) and X-ray diffraction. TEM and AFM results suggest a homogeneous distribution of Ag nanoparticles (5–10 nm in size) on CCG sheets. The intensities of the Raman signals of CCG in such nanocomposites are greatly increased by the attached silver nanoparticles, i.e., there is surface-enhanced Raman scattering activity. In addition, it was found that the antibacterial activity of free Ag nanoparticles is retained in the nanocomposites, which suggests they can be used as graphene-based biomaterials.

Item Type:Article
Uncontrolled Keywords:graphene - graphene oxide - nanoparticle - silver
Subjects:Analytical Science > Microscopy and probe methods
Material Science > Bio materials
Material Science > Nanostructured materials
Material Science > Nanochemistry
ID Code:9297
Deposited By:IoN
Deposited On:14 Jul 2010 14:26
Last Modified:14 Jul 2010 14:26

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