Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5397496 | Journal of Luminescence | 2017 | 4 Pages |
Abstract
Novel molybdenum based pyrochlore type red emitting phosphor materials: NaGd1âxSnMoO7: xEu3+ were prepared by the conventional solid state route. The developed phosphors were characterized for their structure as well as luminescent properties. The NaGd1âxSnMoO7: xEu3+ phosphors show strong red emission at 615Â nm corresponding to the forced electric dipole transition 5D0â7F2 under near-UV and blue excitation. Further these phosphors exhibit high color purity characterized by sharp red emissions (fwhm ~6Â nm) with high asymmetric ratio. The color coordinates of all the samples under 393Â nm excitation were calculated and found to be (0.65, 0.35) which are comparable to the standard color coordinates for red (0.67, 0.33). Thus the synthesized phosphors could be suitable red candidates in phosphor converted white light emitting diode applications.
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Physical Sciences and Engineering
Chemistry
Physical and Theoretical Chemistry
Authors
V.R. Reshmi, P. Prabhakar Rao, Athira K.V. Raj, T.S. Sreena,