Abstract
The spectroscopic characterization of borosilicate glasses doped with Sm 3+ have been developed by melt quenching technique and investigated by using absorption spectra, excitation spectra, emission spectra and CIE chromaticity diagram analysis. From absorption spectra the most intense and hyper sensitive transition is 6 H 5/2 → 6 P 3/2 at 403 nm. From photoluminescence emission spectra at excitation wavelength 403 nm, four prominent emission peaks were observed at 563, 600, 647 and 709 nm . For Sm 3+ ion the quenching point were observed at 0.5 mol% of borosilicate glasses . The measured color coordinates for the prepared glass matrix fall in the orange region of the CIE diagram.
Highlights
The luminescence properties of the lanthanide ion-doped materials have been hot research topic for decades
The aim of the present work is to develop borosilicate glasses doped with Sm3+ and investigate their luminescence properties through absorption, photoluminescence (PL) and Commission International del’Eclairage (CIE) chromaticity diagram for different application in the solid state lighting field
From the results indicate that Sm3+ ion concentration increases and oxygen packing density decreases
Summary
The luminescence properties of the lanthanide ion-doped materials have been hot research topic for decades. Sm3+, Dy3+ and Tb3+ emit orange, blue and green light, while Pr3+ ion can emit different colored light depending on the concentration of RE ions as well as surrounding environment [1,2] This characteristic of lanthanide ions makes it very attractive for synthesizing various kinds of functional materials for application in outdoor devices, fabrication of light emitting diodes, scintillators, lasers, telecommunications, optical fiber cables, solar concentrators, optical detectors such as and the production of wide variety of optical components (as windows, prisms, beam splitters, etc.) [1,3]. It has 4f5 electronic configuration which exhibits orange-red fluorescence in the visible region with strong fluorescence intensity, large emission cross-section and high quantum efficiency. The luminescence intensity of Sm3+ ion depends on the concentration of RE ions as well as surrounding environment [4-8]
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