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

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.