Energy transfer phenomenon of Gd to excited ground state of Eu ions in LiO-BaO-GdO-SiO-EuO glasses.

LiO-BaO-GdO-SiO glasses with different concentration of Eu ions were developed by the traditional melt quenching technique and characterized via FTIR, absorption, excitation, emission and CIE color coordinates analysis for visible red emission application. The FTIR shows strong band at position 740 cm which is attributed to Si-O-Si symmetric stretching mode. Density and molar volume of LBGSEu glasses increases with Eu ions concentration.