Green upconversion in Y2O3:Yb nanopowder

Darja Horvat; Dušan Lazar; Janez Možina; Janez Križan; Janez Diaci; Mira Terzić

doi:10.1117/1.JNP.9.093054

11 September 2015 Green upconversion in Y₂O₃:Yb nanopowder

Darja Horvat, Dušan Lazar, Janez Možina, Janez Križan, Janez Diaci, Mira Terzić

Author Affiliations +

Journal of Nanophotonics, Vol. 9, Issue 1, 093054 (September 2015). https://doi.org/10.1117/1.JNP.9.093054

Abstract

Green emission lines, in addition to the blue and the red, were observed upon 980 nm excitation in yttrium oxide (Y₂O₃) nanopowder codoped with Yb³+ and Tm³+, synthesized by the chemical combustion method. Upconversion emission studies suggest that the number and characteristics of the green lines are influenced by the annealing temperature as well as by the Yb³+/Tm³+ concentration ratio, opening possibilities for new customized applications. The chromaticity properties of the upconversion spectra were quantified by the Commission Internationale de l’éclairage coordinate analysis.

Citation Download Citation

Darja Horvat, Dušan Lazar, Janez Možina, Janez Križan, Janez Diaci, and Mira Terzić "Green upconversion in Y₂O₃:Yb nanopowder," Journal of Nanophotonics 9(1), 093054 (11 September 2015). https://doi.org/10.1117/1.JNP.9.093054

Published: 11 September 2015

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