Photoluminescence Properties of CaO-BaO-P₂O₅ Glass Systems Doped with Sm³⁺

Abstract:

This paper reports on physical, optical and photoluminescence properties of Sm³⁺doped calcium barium phosphate (CaO: BaO: P₂O₅: Sm₂O₃) glass systems. The glass samples have been prepared by the melt-quenching technique at 1200°C. It was found that the density of glasses tended to increase with increasing of Sm₂O₃ concentration. While, the molar volume of glasses tended to decrease with increasing of Sm₂O₃ concentration higher than 0.1 mol%. The absorption spectra of glasses were recorded in the ultraviolet visible near infrared (UV-Vis-NIR) region. The absorption bands centered at 374, 402, 416, 438, 473, 527, 946, 1083, 1236, 1382, 1483, 1531 and 1977 nm, respectively have been observed. The emission spectra of glass samples centered at 561, 597, 643 and 704 nm corresponding to the energy levels from ⁴G_5/2 to ⁶H_5/2, ⁶H_7/2, ⁶H_9/2 and ⁶H_11/2, respectively have been observed with 402 nm excitation wavelength.

• Periodical: Key Engineering Materials (Volumes 675-676)
• Pages: 368-371
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.675-676.368
• Online since: January 2016
• Authors: Yaowaluk Tariwong, Natthakridta Chanthima, Jakrapong Kaewkhao, Narong Sangwaranatee*, Hong Joo Kim
• Keywords: Luminescence, Optical Properties, Phosphate Glass, Samarium

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