CHANGE IN PHOTOLUMINESCENCE PROPERTIES OF CeO2 NANOPARTICLES DUE TO TERMAL ANNEALING
Abstract
The photoluminescence properties of cerium dioxide nanoparticles ablated by pulsed laser radiation have been studied. It is shown that annealing of nanoparticles in the range of 400-1000°C changes the luminescence spectrum. The obtained data allow judging the formation of defects in oxygen vacancies in the surface layers of the ablated nanoparticles. The activation energy of photoluminescence of the nanoparticles has been determined. A qualitative explanation of the revealed regularities is presented.
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Review
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Pugachevskii M.A. CHANGE IN PHOTOLUMINESCENCE PROPERTIES OF CeO2 NANOPARTICLES DUE TO TERMAL ANNEALING. Zhurnal Prikladnoii Spektroskopii. 2019;86(2):316-319. (In Russ.)
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