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Laser Ablation Synthesis of Silver Nanoparticles Embedded in Graphitic Carbon Matrix

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We obtained a nanocomposite of silver nanoparticles embedded in a graphitic carbon matrix by laser ablation of an Ag plate in toluene solution. The AgNP nanocomposite has been characterized by UV–vis spectroscopy, micro–Raman spectroscopy and HRTEM analysis. AgNP surface plasmon resonance (SPR) is quenched by the carbon matrix, but it can be easily restored by thermal oxidation in air of the matrix. The synthesis procedure is very fast and easy and the matrix prevents AgNP aggregation and growth. The solid nanocomposite can be obtained either as a film or as a bulk sample simply by evaporating the solvent. This technique can be easily adopted for several types of metals.

Keywords: GRAPHITE; LASER ABLATION; LASIS; NANOCOMPOSITES; SILVER NANOPARTICLES

Document Type: Research Article

Publication date: March 1, 2012

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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