The Effect of Cerium Reduction on Light Emission in Cerium-containing 20Y2O3-25Al2O3-55SiO2 Glass
Journal of the Optical Society of Korea, Vol. 16, Issue 4, pp. 414-417 (2012)
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Abstract
The effect of cerium concentration and the addition of Sb2O3 on the light emission of cerium-contained glass were investigated. The glass matrix composition was 20Y2O3-25Al2O3-55SiO2, the CeO2 concentration ranged from 0.05 to 0.5 mol%, and Sb2O3 was added at concentrations of 0.02 to 0.1 mol%. The Ce3+ and Ce4+ absorption bands were observed at approximately 330 nm and 240 nm, respectively. A broad emission band at 400 nm, due to the 4f-5d transition of the Ce3+ ion, was observed under illumination by a UV light at 330 nm. The photoluminescence intensity of Ce3+ had a maximum value at a CeO2 concentration of 0.1 mol%. Adding Sb2O3 decreased the Ce4+ absorption intensity and enhanced the light emission intensity of Ce3+ by about 45%.
© 2012 Optical Society of Korea
OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
History
Original Manuscript: June 11, 2012
Revised Manuscript: September 18, 2012
Manuscript Accepted: September 24, 2012
Published: December 25, 2012
Citation
Jee-Hun Maeng and Sung-Churl Choi, "The Effect of Cerium Reduction on Light Emission in Cerium-containing
20Y2O3-25Al2O3-55SiO2
Glass," J. Opt. Soc. Korea 16, 414-417 (2012)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-16-4-414
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