Abstract
Mn4+ doped and Gd3+, Lu3+ co-doped MgAl2Si2O8-based phosphors were first of all synthesized by solid state reaction at about 1300.0 °C. They were characterized by thermogravimetry, differential thermal analysis, X-ray powder diffraction, photoluminescence, and scanning electron microscopy. The luminescence mechanism of the phosphors which showed broad red emission bands in the range of 610–715 nm and had a different maximum intensity when activated by UV illumination was discussed. Such a red emission can be attributed to the intrinsic 2E → 4A2 transitions of Mn4+.
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This study was supported by Erciyes University EUBAP under project number FBD-09-804.
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Kalaycioglu, N.O., Çırçır, E. Red phosphors in MgAl2Si2O8 doping with Mn4+, Gd3+ and Lu3+ and host-sensitized luminescence properties. J Therm Anal Calorim 111, 273–277 (2013). https://doi.org/10.1007/s10973-012-2248-z
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DOI: https://doi.org/10.1007/s10973-012-2248-z