Luminescence Properties of Nd³⁺ Ions Doped in CaO-Y₂O₃-SiO₂-B₂O₃ Glasses

Abstract:

Calcium yttrium silicoborate glasses doped with different Nd³⁺ ion concentrations have been prepared using the melt quenching technique at 1400 °C. Physical, optical and luminescence properties of glass samples were investigated. The density and molar volume measurements were carried out at room temperature. The results show that, the density and molar volume of glass samples not deepened on the concentration of Nd₂O₃. Absorption spectra were investigated in the UV–VIS–NIR region from 200 to 2500 nm. It was observed that the absorption bands have 8 peaks with corresponding to 467, 521, 584, 638, 682, 747, 805 and 877 nm. The luminescence properties were investigated in the NIR region. On excitation, with 584 and 805 nm, it is found that the emission peaks are located at 896 (904), 1060 and 1332 nm that correspond to the emission transitions from ⁴F_3/2 to ⁴I_9/2, ⁴I_11/2 and ⁴I_13/2, respectively. The NIR luminescence intensity obtained with 584 nm excitation was stronger than 805 nm.

• Periodical: Key Engineering Materials (Volumes 675-676)
• Pages: 355-358
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.675-676.355
• Online since: January 2016
• Authors: Natthakridta Chanthima, Jakrapong Kaewkhao*
• Keywords: Luminescence Properties, Neodymium, NIR

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