Luminescence properties of Pr3+ ion doped Mg-picromerite Tutton salt

作者：Souamti A^*; Martin I R; Zayani L; Lozano Gorrin A D; Chehimi D Ben Hassen

来源：Journal of Luminescence, 2017, 188: 148-153.

DOI：10.1016/j.jlumin.2017.04.022

• Tutton salt
• Evaporation method
• Crystal
• Thermal analysis
• Luminescence properties

In the present work we focused on the elaboration of Mg-picromerite-type Tutton salt doped with Pr3+ by the slow evaporation method at room temperature. The obtained crystals, with prismatic morphology, were characterized by means of X-ray diffraction (XRD), luminescence, infrared (IR) spectroscopy and scanning electron microscopy (SEM), and the results showed a high purity phase of a monoclinic system with the space group P2(1/a). Dehydration and decomposition into langbeinite and potassium sulfate of this salts were done by means of thermal analysis measurements as well as XRD experiments at high temperature. Pr3+ exhibits a maximum of absorption in the blue region with the transition H-3(4)-> P-3(2) (445 nm). Luminescence study showed that this material possesses numerous emission bands from the visible (VIS) to the near -infrared (NIR) region, which make it interesting to be used in a wide range of optical applications.

• 出版日期2017-8