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Title | Optical Materials Activated with CeO2:Ln3+ Nanoparticles |
Authors |
Malashkevich, G.E.
Khottchenkova, T.G. Kouhar, V.V. Sigaev, V.N. Pestryakov, E.V. |
Keywords |
Oxide nanoparticles Luminescenc Structure of optical centers Transfer of electron excitations |
Type | Article |
Date of Issue | 2014 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/37261 |
Publisher | Sumy State University |
License | |
Citation | Proc. NAP 3, 02NAESF11 (2014) |
Abstract |
Silica glasses and siliceous powders activated with CeO2:Ln3+ (Ln ¹ Ce) nanoparticles were synthesized by the sol-gel method and their structural and spectral-luminescent properties were investigated. It is shown that the main features of the Ln3+ ions are a high relative intensity of magnetic dipole transitions and sufficiently effective sensitization of their luminescence with labile photoreduced (Ce4+)- ions by means of superexchange mechanism or/and by transfer of electron. |
Appears in Collections: |
Наукові видання (ЕлІТ) |
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malashkevich_nanoparticles.pdf | 363,7 kB | Adobe PDF | 9920 |
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