Efficient white light emission by upconversion in Yb3+-, Er3+- and Tm3+-doped Y2BaZnO5

We report efficient white upconversion luminescence in Yb3+-, Er3+- and Tm3+-doped monophasic and biphasic Y2BaZnO5 phosphors under 977 nm near-infrared excitation and at low excitation power densities (down to [similar]25 mW mm-2).

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2011, Vol.47 (22), p.6263-6265
Main Authors: Etchart, Isabelle, Bérard, Mathieu, Laroche, Marine, Huignard, Arnaud, Hernández, Ignacio, Gillin, William P., Curry, Richard J., Cheetham, Anthony K.
Format: Article
Language:English
Subjects:
Density
Emission
Excitation
Luminescence
Phosphors
Upconversion
White light
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Description
Summary:We report efficient white upconversion luminescence in Yb3+-, Er3+- and Tm3+-doped monophasic and biphasic Y2BaZnO5 phosphors under 977 nm near-infrared excitation and at low excitation power densities (down to [similar]25 mW mm-2).
ISSN:1359-7345
1364-548X
DOI:10.1039/c1cc11427a