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Synthesis and luminescence properties of a novel blue emitting phosphor NaMgPO4:Eu2+

✍ Scribed by Wanjun Tang; Yingli Zheng

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
270 KB
Volume
25
Category
Article
ISSN
1522-7235

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✦ Synopsis

Abstract

A novel blue‐emitting phosphor of Eu^2+^‐activated NaMgPO~4~ was prepared by combustion‐assisted synthesis. Sodium dihydrogen phosphate and magnesium nitrate were used as the source of Na, P and Mg, respectively. The ratios of magnesium and phosphorus components that were dissolved into the combustion solution were changed from 1:1 to 1:1.3. Their effect on the crystallinities and photoluminescence spectra of the phosphor particles were investigated. The post‐heated phosphor particles had a broad excitation wavelength that ranged from 240 to 410 nm. The phosphor particles prepared from the combustion solution with a 1:1.2 ratio of magnesium to phosphorus had maximum emission intensity under ultraviolet excitation. The effect of doped Eu^2+^ concentration on the emission intensity of NaMgPO~4~:Eu^2+^ was also investigated.

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