Journal
SCRIPTA MATERIALIA
Volume 61, Issue 4, Pages 415-418Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.04.034
Keywords
YSZ:Pr3+; Optical materials; Rare earth; Optical emissitivity; Nanostructure
Categories
Funding
- Ministry of Science and Higher Education (Poland) [N N508 0851 33]
- DONANO
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In this paper we report observation of highly efficient Pr3+ 4f-4f emission in ZrO2 (0.5 mol.% Pr3+) fine nanocrystals stabilized by Y2O3 (7 mol.%). The nanocrystals were obtained via a hydrothermal microwave-driven process followed by heat treatment at 1200 degrees C. The samples excited by 266 or 297 nm light exhibit a remarkable sensitizing of Pr3+ photoluminescence. The chromaticity analysis indicates the usability of the studied material as a red luminescent phosphor. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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