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XPS/TEM characterisation of PtAu/C cathode electrocatalysts prepared by metal vapour synthesis
Author(s) -
Vasil'kov A. Yu.,
Naumkin A. V.,
Volkov I. O.,
Podshibikhin V. L.,
Lisichkin G. V.,
Khokhlov A. R.
Publication year - 2010
Publication title -
surface and interface analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.52
H-Index - 90
eISSN - 1096-9918
pISSN - 0142-2421
DOI - 10.1002/sia.3269
Subject(s) - bimetallic strip , x ray photoelectron spectroscopy , catalysis , transmission electron microscopy , metal , nanocomposite , nanoparticle , materials science , chemical vapor deposition , chemical engineering , chemistry , nanotechnology , metallurgy , organic chemistry , engineering
Monometallic Pt/C, Au/C and bimetallic PtAu/C nanocomposites have been prepared by metal vapour synthesis using Vulcan XC‐72R carbon support. X‐ray photoelectron spectroscopy and transmission electron microscopy were used to evaluate the structure and properties of the metallic nanoparticles. XPS data show the absence of any significant electron transfer in bimetallic PtAu/C system prepared by successive deposition of Au and Pt nanoparticles. The only evidence of PtAu interaction is the narrowing Au 4f peaks in PtAu/C catalyst in comparison with those of Au/C system. Copyright © 2010 John Wiley & Sons, Ltd.