Abstract
The physical, structural, thermal, and optical properties of heavy metal (Ho3+) oxide incorporated lithium-boro-phosphate glass prepared utilizing melt quenching process are presented in this paper as a function of dopant concentration. To support the findings of the FTIR and DSC studies, many theoretical, experimental, physical, and optical parameters were calculated. XRD and FTIR measurements revealed the prepared glasses’ amorphous nature and the presence of significant borate functional groups. The optical band gap, Urbach energy, and steepness characteristics were tested to validate the structural results. The emission spectrums were recorded in the prepared glasses for an excitation of 450 and 550 nm to find powerful emission color. The color co-ordinates (0.33, 0.41) were found to be quite comparable to white light color co-ordinates. The present glasses can, therefore, be ideal candidates for possible applications with light-emitting diodes.
Highlights
In the current B0H glass, the oxide ion polarizability rose with increasing holmium content, resulting in more non-bridging oxygen (NBOs) production
The Tg decreasing with the insertion of Ho3+ ions in the B0H set, which could be caused by the large molar holmium mass, is based on the existing B0H’s and B05H samples
X-ray diffractometer (XRD) analysis confirmed the amorphous structure of the novel holmium inclusion heavy metal oxide
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. The glasses exhibit better thermal stability, reduced phonon energy and a decreased OH absorption coefficient with the addition of Holmium ions into the basic composition [17,18]. This leads to a greater stimulated emission cross-section and a longer emission life when rare earth ions undergo a near-infrared laser transition [19,20]. Boro-phosphate glasses are commonly used for the purpose of solid-state lasers and optical fiber amplifier and have a low melting-point. This investigation soughtto identify the structural, thermal and optical properties of lithium boro-phosphate glasses, as well as the optimal concentration for future uses in solid-state lasers, for holmium integration and concentration
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