I. B. Dorosheva, A. Vokhmintsev, I. Weinstein, A. Rempel
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Induced surface photovoltage in TiO2 sol-gel nanoparticles
A BSTRACT TiO 2 nanoparticles synthesized by the sol-gel method and modified by annealing in air and hydrogen atmospheres were studied by surface photovoltage spectroscopy (SPS). SPS measurements showed that the modified in air TiO 2 nanoparticles have a more intense signal than those treated in hydrogen. A linear correlation was found between the SPS and the diffuse reflectance spectra of the samples.