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We report the synthesis, by radio-frequency chemical vapor deposition with methane as the carbon source, of multicomponent nanostructural materials based on Ag nanoparticles embedded into graphene layers and discuss their properties. We found that the Ag concentration plays an important role in controlling the morphology and the structure of the resulting graphene sheets. Raman analysis was used to...
We present the successful design and synthesis of few-layer graphenes over an Au/MgO catalytic system by chemical vapor deposition with methane as the carbon source. The resulting structures were composed of a few graphitic layers, and the highest synthesis yield was found to be 62% when the methane flow rate was 120mL/min. The dimension of the in-plane crystallites was found to increase with the...
We report the photo-thermal properties of single and double wall carbon nanotubes (CNT) dispersed in various solvents with different concentrations when exposed to near infrared nm laser irradiations. All these studies were correlated to the dispersivity of CNT in various solvents. The observed temperature increase of the various nanotube solutions was found to be determined by the concentration of...
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