5 November 2002 Copper oxide and selenide nanoparticles embedded into sol-gel-derived silica glasses doped with europium
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Abstract
The silica sol-gel derived glasses co-doped with CuxO and CuxSe nanoparticles and Eu3+ ions have been fabricated. The analysis of luminescence spectra of a series of glasses with different composition allows us to suppose the direct energy transfer between copper oxide nanoparticle and Eu3+ ion. A luminescence signal of europium ions occurs as the result of excitation of the complex active centres (SiO2:Cu2O:Eu3+) in the absorption range of copper oxide.
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Valerij S. Gurin, Konstantin V. Yumashev, P. V. Prokoshin, S. A. Zolotovskaya, A. A. Alexeenko, "Copper oxide and selenide nanoparticles embedded into sol-gel-derived silica glasses doped with europium", Proc. SPIE 4808, Optical Properties of Nanocrystals, (5 November 2002); doi: 10.1117/12.451977; https://doi.org/10.1117/12.451977
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KEYWORDS
Copper

Europium

Nanoparticles

Oxides

Glasses

Luminescence

Silica

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