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- Title
A Potential Red Phosphor Na<sub>0.5</sub>Gd<sub>0.5</sub>MoO<sub>4</sub>:Eu<sup>3+</sup> For Light-Emitting Diode Application.
- Authors
Liya Zhou; Linghong Yi; Ruifang Sun; Fuzhong Gong; Jianhua Sun
- Abstract
The intense red-emitting phosphor Na0.5Gd0.5MoO4:Eu3+ with tetragonal structure was prepared by solid-state reaction and its photoluminescence properties were investigated. Compared with Y2O2S:0.05Eu3+, the obtained Na0.5Gd0.375MoO4:Eu0.1253+ phosphor shows a stronger excitation band near 400 nm as well as enhanced red emissions. The strong red-emission lines at 616 nm correspond to the forced electric dipole 5 D0→7 F2 transitions on Eu3+. The chromaticity coordinates of Na0.5Gd0.375MoO4:Eu0.1253+ ( x=0.652, y=0.348) are closer to the standard of National Television Standard Committee values ( x=0.670, y=0.330) than that of Y2O2S:0.05Eu3+ ( x=0.645, y=0.354). The optical properties suggest that Na0.5Gd0.375MoO4:Eu0.1253+ is an efficient red-emitting phosphor for light-emitting diode applications.
- Subjects
PHOSPHORESCENCE; LIGHT emitting diodes; DIODES; CHEMISTRY; CHEMICAL engineering; EMISSIONS (Air pollution); TETRAGONACEAE
- Publication
Journal of the American Ceramic Society, 2008, Vol 91, Issue 10, p3416
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2008.02598.x