In:
Journal of the American Ceramic Society, Wiley, Vol. 98, No. 12 ( 2015-12), p. 3655-3658
Kurzfassung:
Transparent and colorless CeO 2 ‐activated borogermanate glasses, with the nominal molar composition of 25B 2 O 3 –40GeO 2 –14Gd 2 O 3 –1CeO 2 –(20− x ) BaO– x BaF 2 ( x = 0, 2.5, 5, 10, 15 and 20), were synthesized by a melt‐quenching method in air. Their optical investigation on the transmittance, photoluminescence (excitation and emission spectra), the luminescence decay curves, as well as the temperature‐dependent Ce 3+ emission are studied systematically with the gradual substitution of BaF 2 for BaO. The room‐temperature photoluminescence results reveal that the emission intensity can be improved by about 2.5 times with the full substitution of BaF 2 for BaO. The blue shift of the cut‐off edge, excitation and emission spectra of Ce 3+ ‐activated borogermanate glass, and the emission intensity of Ce 3+ ions as a function of temperature range in 80–500 K are also discussed.
Materialart:
Online-Ressource
ISSN:
0002-7820
,
1551-2916
DOI:
10.1111/jace.2015.98.issue-12
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2015
ZDB Id:
2008170-4
ZDB Id:
219232-9
Permalink