Ion induced modification of structural and photoluminescence properties of Y 2 O 3 :Eu 3+ / Tb 3+ nanophosphors: A comparative study
2015
Herein, a comparative study on the structural and luminescence properties of optimized Y2O3:Eu 8+ ions, respectively. Diffuse reflectance spectra show a blue shift in the absorption band owing to the increase in the band gap after ion irradiation. An increase in the photoluminescence intensity without any shift in the peak positions was observed with the increase in the ion fluence. The colour tunability was observed with ion irradiation as the colour coordinate varies from red to white chromaticity. Copyright © 2015 VBRI Press.
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