Abstract
The emerging popularity and wide acceptance of green chemistry and environmentally benign/ecofriendly approaches have comprehensively considered for catalyst synthesis methods. Natural resource derived carbogenic quantum dots has been used in assistance with ultrasonic shock wave to graphene oxide (GO) aqueous dispersion in order to prepare reduced graphene oxide decorated with silver nanoparticles following the ‘top-down’ method. The total reduction process is done without using any toxic external reducing agents and any surfactants or stabilizers, thus it can be accepted as green method. Sonochemical destratification of the GO layers provides green attributes due to scalable, non-hazardous and relatively fast reduction to enhance surface area of the GO. Arresting the silver nanoparticles onto basal planes of graphene oxide can act as an efficient solid state support catalyst for fast reduction of toxic nitro aryls. Besides this work also reports bactericidal feature exhibited by the catalyst. Thus a dual functioning nanomaterial has been successfully developed which can be a suitable alternative for reductive forthcoming specialty/multifunctional membrane and other high-end medicinal or industrial applications.
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