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Optical properties of the porous glass composite material

Ovechko V., Schur O., Mygashko V.

Optica Applicata

2008

Vol. 38, nr 1

75-82

Spectrum absorption and luminescence methods were used to investigate the peculiarities of optical properties of compound material consisting of nanoporous silica with impregnated gold nanoparticles soaked in rhodamine 6G ethanol solution. One possible explanation for the phenomenon of increasing of absorption near plasmon resonance frequency and rhodamine 6G absorption band is given.

Size spectroscopy of porous glasses and porous glasses with metal nanoparticles using UV-VIS and X-ray radiation

Ovechko V., Schur O.

Optica Applicata

2005

Vol. 35, nr 4

735-743

UV-VIS and X-rays radiation were used for porous silica (PS) and porous silica with Ag nanoparticles investigations. It has been shown that XRD experiment gives information about the correlation function of heterogeneity in PS. Well-known plasmon resonance in UV spectral region was applied for the concentration and mean diameter of the metal particles determination.