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Optical properties of nanoporous glass filled with TiO2 nanostructures

Viter R., Geveluk S., Smyntyna V., Doycho I., Rysiakiewicz-Pasek E., Buk J., Kordas K.

Optica Applicata

2012

Vol. 42, nr 2

307-313

Titanium dioxide nanoparticles (NP) and nanofibers (NF) were incorporated from polymeric gels into porous glasses. Two types of glasses A and B with different porosity were chosen for measurements. Optical absorbance and photoluminescence spectra of the samples were measured at the range of 200-1100 nm and 370-800 nm correspondently before and after TiO2 incorporation. The enhancement of TiO2 photoluminescence (PL) and short-wave shift of peaks for samples A and B was found. The obtained results are explained by quantum confinement effects.