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Two-dimensional Au and Au-Cu alloy nanocrystals with orientation in (111) plane embedded in glassy silica films

Journal of Physical Chemistry B, ISSN: 1520-6106, Vol: 107, Issue: 49, Page: 13597-13600
2003
  • 39
    Citations
  • 0
    Usage
  • 25
    Captures
  • 0
    Mentions
  • 0
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    39
    • Citation Indexes
      39
  • Captures
    25

Article Description

Triangular Au and disk-shaped Au-Cu alloy nanocrystals have been generated in thin SiO film matrixes, by sol-gel spin-coating followed by annealing at 800°C in 10%H-90%Ar. Transmission electron microscope images confirm the shapes of the embedded nanocrystals. X-ray diffraction patterns reveal that the Au and Au-Cu nanocrystals have a (111) orientation. The disk-shaped alloy nanocrystals exhibit surface plasmon absorption at wavelengths intermediate between those of Au and Cu.

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