Volume 20 No 10 (2022)
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SYNTHESIS, STRUCTURAL AND PHOTO LUMINESCENT PROPERTIES OF Li3Ba2Gd3(MoO4)8: RE3+(RE= Pr3+, Sm3+) RED PHOSPHORS
SHASHI B PANDEY , CHITRA S KHADE , APARNA J NADGOWDA
Abstract
Many potential lighting applications have been proposed for Pr3+ and Sm3+ activated phosphor materials due to their emission (4f - 4f transitions). Pr3+ ions emit distinct radiation signatures depending on the host they are paired with. In the visible spectrum, Pr3+ ions emit radiation from the 1D2 level, 3P0 level, 1 S0 level, and UV level due to their 4f2 electronic arrangement (from the 4f - 5d state). Sm3+ ions glow intensely in the orange-red region of the visible spectrum due to their 4f5 electrical configuration. Both Li3Ba2Gd3(MoO4)8:xPr3+ (x = 0.01, 0.03, 0.05, 0.07, and 0.09 mol) and Li3Ba2Gd3(MoO4)8:xSm3+ (x = 0.01, 0.03, 0.05, 0.07, and 0.09 mol) were synthesized and their luminescent characteristics are reported here using the microwave-assisted SSM technique. The produced samples' optical and structural properties were further investigated.
Keywords
Luminescent, material, Red, Phosphors, SSM
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