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•Sn-nanoparticles stabilized reduced graphene oxide nanodiscs were synthesized by a sonochemical method.•Physical forces of acoustic cavitation generated RGO nanodiscs.•Acoustic cavitation generated reducing radicals produced Sn nanoparticles on the edges of RGO nanodiscs.•TEM and XPS data provide evidence for the formation of Sn nanoparticles-stabilized RGO nanodiscs.
Few-layered reduced graphene oxide–Pt composites are prepared using a combination of two ultrasound frequencies at 20kHz and 211kHz. Such a unique dual frequency arrangement operating in tandem, yields large exfoliated graphene sheets with platinum nanoparticles dispersed on them. The extent of reduction achieved by the use of this dual frequency sonication arrangement is evaluated by XPS, IR, and...
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