Abstract
ZnO powder photoluminescence spectra at 360–660 nm modified and unmodified by ZrO 2, ZrO 2Y 2O 3 nanopowders before and after 100 keV proton irradiation were investigated. It was found that introduction of nanoparticles led to ultraviolet band intensity decrease and to visual spectrum band intensity increase. Extinction of intensity occurs under the effect of protons in both bands of luminescence. Decomposition of spectra into elementary defects and analysis of their area change during modification and irradiation were carried out.
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