Journal of Thermal Analysis and Calorimetry

, Volume 111, Issue 1, pp 273–277 | Cite as

Red phosphors in MgAl2Si2O8 doping with Mn4+, Gd3+ and Lu3+ and host-sensitized luminescence properties

  • Nilgun Ozpozan Kalaycioglu
  • Esra Çırçır


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+.


Luminescence Mn4+ Gd3+ Lu3+ MgAl2Si2O8 phosphors Aluminosilicates 



This study was supported by Erciyes University EUBAP under project number FBD-09-804.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2012

Authors and Affiliations

  1. 1.Department of Chemistry, Faculty of ScienceErciyes UniversityKayseriTurkey
  2. 2.Department of Materials Science and Engineering, Faculty of EngineeringKaramanoğlu Mehmetbey UniversityKaramanTurkey

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