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One-step melamine-assisted synthesis of graphene-supported AuPt@Au nanocrystals for enhanced catalytic reduction of p-nitrophenol

RSC Advances, ISSN: 2046-2069, Vol: 5, Issue: 116, Page: 96028-96033
2015
  • 32
    Citations
  • 0
    Usage
  • 13
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    32
    • Citation Indexes
      32
  • Captures
    13

Article Description

In this work, monodispersed core-shell AuPt@Au nanocrystals supported on reduced graphene oxide (AuPt@Au NCs/rGO) were fabricated by a one-step wet-chemical approach using melamine as a structure-director and stabilizing agent. Transmission electron microscopy (TEM), high-angle annular dark-field scanning TEM (HAADF-STEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) were employed to examine their structure and morphology. The as-synthesized nanocomposites displayed better catalytic activity for p-nitrophenol reduction and improved reusability as compared with monometallic Au/rGO, Pt/rGO and commercial Pt/C catalysts.

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