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Knut Deppert

Knut Deppert

Professor

Knut Deppert

Generation and oxidation of aerosol deposited PdAg nanoparticles

Author

  • Sara Blomberg
  • Johan Gustafson
  • Natalia Martin
  • Maria Messing
  • Knut Deppert
  • Z. Liu
  • R. Chang
  • V. R. Fernandes
  • A. Borg
  • H. Gronbeck
  • Edvin Lundgren

Summary, in English

PdAg nanoparticles with a diameter of 10 nm have been generated by an aerosol particle method, and supported on a silica substrate. By using a combination of X-ray Energy Dispersive Spectroscopy and X-ray Photoelectron Spectroscopy it is shown that the size distribution of the particles is narrow and that the two metals form an alloy with a mixture of 75% Pd and 25% Ag. Under oxidizing conditions, Pd is found to segregate to the surface and a thin PdO like oxide is formed similar to the surface oxide previously reported on extended PdAg and pure Pd surfaces. (C) 2013 Elsevier B.V. All rights reserved.

Department/s

  • Synchrotron Radiation Research
  • Solid State Physics
  • NanoLund

Publishing year

2013

Language

English

Pages

186-191

Publication/Series

Surface Science

Volume

616

Document type

Journal article

Publisher

Elsevier

Topic

  • Condensed Matter Physics
  • Atom and Molecular Physics and Optics

Keywords

  • PdAg
  • Alloy
  • Nanoparticles
  • HPXPS

Status

Published

ISBN/ISSN/Other

  • ISSN: 0039-6028