Luminescence of Eu[sup 2+] in Calcium Thiogallate
- 1 January 2003
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 150 (1) , G62-G65
- https://doi.org/10.1149/1.1528945
Abstract
Luminescence, decay, and thermal quenching under photonic excitation of CaGa2S4:Eu2+CaGa2S4:Eu2+ mono and polycrystals have been measured. For excitation into the lower 5d states, thermal quenching starts above 350 K, which makes this material appropriate for use as a yellow phosphor under excitation by blue-emitting diodes. Thermoluminescence after 337.1 nm irradiation is explained by photoionization of Eu2+Eu2+ ions. © 2002 The Electrochemical Society. All rights reserved.Keywords
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