Abstract
A white light emitting CaxSr1-xAl2O4:Tb3+;Eu3+ phosphor was synthesized by a combustion method using metal nitrates as precursors and urea as a fuel. The X-ray diffraction patterns from the samples showed phases associated with monoclinic structures of CaAl2O4 and SrAl2O4. White photoluminescence with the CIE coordinates (x = 0.343, y = 0.325) was observed when the phosphor was optically-excited at 227 nm using a monochromatized xenon lamp. The white photoluminescence was a result of the combination of blue and green line emissions from Tb3+, and red line emission from Eu3+. The structure and photoluminescence properties of this phosphor are reported.
Original language | English |
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Pages (from-to) | 962-968 |
Number of pages | 7 |
Journal | Optical Materials Express |
Volume | 2 |
Issue number | 7 |
DOIs | |
Publication status | Published - Jul 2012 |
Externally published | Yes |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials