Efficient white light emission by upconversion in Yb(3+)-, Er(3+)- and Tm(3+)-doped Y2BaZnO5

Autor: Anthony K. Cheetham, Arnaud Huignard, Richard J. Curry, Marine Laroche, Isabelle Etchart, William P. Gillin, Mathieu Berard, Ignacio Hernández
Rok vydání: 2011
Předmět:
Zdroj: Chemical communications (Cambridge, England). 47(22)
ISSN: 1364-548X
Popis: We report efficient white upconversion luminescence in Yb(3+)-, Er(3+)- and Tm(3+)-doped monophasic and biphasic Y(2)BaZnO(5) phosphors under 977 nm near-infrared excitation and at low excitation power densities (down to ∼25 mW mm(-2)).
Databáze: OpenAIRE