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Morphology and optical properties of thin silica films containing bimetallic Ag/Au nanoparticles

2008-11-01
Yashan, G. R.
Eremenko, A. M.
Smirnova, N. P.
Suzer, S.
Ertaş, Gülay
Tabor, Ch.
We have studied the optical spectra in the UV and visible regions, the morphology by scanning electron microscopy (SEM), and the X-ray photoelectron spectra (XPS) of bimetallic Ag/Au nanoparticles incorporated into transparent silicate films in the sol-gel transition stage. The bimetallic nanoparticles, obtained by a combination of photoreduction and thermal reduction, form structures of the alloy or core-shell type.