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Rare‐earth aggregates in sol‐gel silica and their influence on optical properties
- Source :
- physica status solidi (c). 2:620-623
- Publication Year :
- 2005
- Publisher :
- Wiley, 2005.
-
Abstract
- Radio-luminescence, time resolved photo-luminescence and Raman spectroscopy measurements were performed on Ce-doped sol-gel silica glasses. Quenching of the 5d-4f Ce3+ emission transition was observed by increasing Ce3+ concentration above 0.04 mol%, evidenced by a decrease of the emission intensity accompanied by the appearance of a fast component in the photoluminescence time decay. Raman measurements revealed the formation of CeO2 clusters, which can be considered a cause of the observed luminescence quenching. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Details
- ISSN :
- 16101634
- Volume :
- 2
- Database :
- OpenAIRE
- Journal :
- physica status solidi (c)
- Accession number :
- edsair.doi.dedup.....4171e16d92e42f16d2f2b40637b2bdb3