Preparation and Luminescence Properties of Gd2MgTiO6:Dy3+ White Phosphor
Gd2MgTiO6:Dy3+ white phosphors samples were prepared by a high-temperature solid-phase method. And the structure and luminescent properties of the white phosphors samples were characterized by X-ray diffraction and fluorescence spectroscopy. The results show that the samples emitted very strong blue and yellow light under near-ultraviolet excitation at 355 nm. By adjusting the concentration of Dy3+ it is possible to move the sample color to white light region. White light with color coordinates (0.3598, 0.3946) can be emitted when the doping concentration is 3 ％. With the advantages of simple synthesis method and easy modulation of composition,Gd2MgTiO6 show great poten-tial for application in white LEDs and other fields.
high temperature solid phase methodDy3+ dopingdouble perovskitewhite phosphor
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