Abstract
This article presents synthesis of mixed boro flouro phosphate glasses doped with trivalent samarium and dysprosium ions by melt quenching technic and the luminescent spectra of the glasses and their modifications by altering alkali oxides. Fourier transform infrared spectroscopy (FTIR) tool is used to detect various functional groups their bonding nature in host glasses .The luminescent spectrum of Sm3+ exhibits Orange-Red emission at wavelength of 599 nm due to transition from 4G5/2 →6H7/2 and Dy3+ spectrum has shown yellow emission at wavelength of 575 nm from 4F9/2 →6H13/2 by strong excitation at 403 nm and 388 nm 6H5/2 →4F7/2 transition of Samarium (Sm3+) ion and 6H15/2→4I13/2 transition of Dysprosium (Dy3+) ion respectively. In this article, by altering the three different alkali oxides (Li2O/Na2O/K2O) with the same concentration (0.5%) of Dy3+ ions and Sm3+. The change in the luminescent intensities were studied.
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