Research Papers

Green upconversion in Y2O3:Yb nanopowder

[+] Author Affiliations
Darja Horvat, Janez Možina, Janez Diaci

University of Ljubljana, Faculty of Mechanical Engineering, Aškerčeva 6, 1000 Ljubljana, Slovenia

Dušan Lazar, Mira Terzić

University of Novi Sad, Faculty of Science, Trg Dositeja Obradovića 4, 2100 Novi Sad, Serbia

Janez Križan

AMI d.o.o., Trstenjakova 5, 2250 Ptuj, Slovenia

J. Nanophoton. 9(1), 093054 (Sep 11, 2015). doi:10.1117/1.JNP.9.093054
History: Received June 4, 2015; Accepted August 3, 2015
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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.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Darja Horvat ; Dušan Lazar ; Janez Možina ; Janez Križan ; Janez Diaci, et al.
"Green upconversion in Y2O3:Yb nanopowder", J. Nanophoton. 9(1), 093054 (Sep 11, 2015). ; http://dx.doi.org/10.1117/1.JNP.9.093054


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