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Plasmonic Au nanoparticles by ion implantation

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, ISSN: 0168-583X, Vol: 541, Page: 336-341
2023
  • 2
    Citations
  • 0
    Usage
  • 13
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    2
  • Captures
    13
  • Mentions
    1
    • News Mentions
      1
      • 1

Most Recent News

Findings from University of Lisbon Yields New Findings on Nanoparticles (Plasmonic Au Nanoparticles By Ion Implantation)

2023 SEP 21 (NewsRx) -- By a News Reporter-Staff News Editor at Nanotech Daily -- Researchers detail new data in Nanotechnology - Nanoparticles. According to

Article Description

This paper studies Au-nanoparticles’ (AuNPs) formation in titanium dioxide (TiO 2 ) by ion implantation. Samples of TiO 2 thin films deposited on glass and silicon were prepared using magnetron sputtering. Ion implantation was used to create the AuNPs, with fluences ranging from 2.0 × 10 1 ⁶ to 4.0 × 10 17 ions/cm 2. Each sample was implanted with 50 and 100 keV to achieve a broader in-depth distribution of Au. A post-implantation thermal treatment, at 500˚C, was applied, during 15 min, to promote precipitation of the implanted Au. Using Rutherford backscattering spectrometry, the elemental depth profiles were analysed before and after annealing. The X-ray diffraction analysis revealed the presence of the (1 1 1) Au diffraction peak, and the microstructure analysis, using scanning electron microscopy confirmed the presence of NPs. The optical transmission data, shows a band around 600–650 nm, for the samples implanted with 1.6 × 10 17 and 4.0 × 10 17 ions/cm 2.

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