Journal
JOURNAL OF LUMINESCENCE
Volume 188, Issue -, Pages 101-106Publisher
ELSEVIER
DOI: 10.1016/j.jlumin.2017.04.014
Keywords
Mn4+ phosphor; Red phosphor; Aluminosilicate; Sr3Al10SiO20
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A novel aluminosilicate red phosphor Sr3Al10SiO20:Mn4+, which has some octahedral sites, was synthesized by a solid-state reaction, and we investigated its photoluminescence properties. Sr3Al10SiO20 doped with tetravalent manganese showed a red photoluminescence transition from E-2 to (4)A(2) after excitation in the near ultraviolet region to the blue region in the visible spectrum. The Sr3Al10SiO20:Mn4+ synthesized at 1500 degrees C for 6 h exhibited maximum emission intensity. From these results, it was confirmed that aluminosilicates could be the host structure for Mn4+ -doped phosphors.
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