Abstract
Facile green synthesis of gold, silver and silver-gold on graphene oxide nanohybrid using ascorbic acid at room temperature has been studied in this communication. Further the interaction between the metal and graphene oxide was enhanced with the help of the ascorbic acid/dehydroascorbic acid by the calcination process. The ascorbic acid acts as reductant as well as a stabilizer of metal nanoparticles on the support. The micrographs reveal the formation of metal nanoparticles as quantum dots (~ 3-5 nm), results improved catalytic activity towards methylene green degradation in room temperature was studied. The proposed method is facile, fast and eco-friendly for the synthesis of metal nanoparticles over the carbon nanostructures
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