Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Bright White Upconversion Luminescence in β-NaGd0.794Yb0.20Ho0.001Tm0.005F4 Nanoparticles
Gejihu DeMenggenqilavuqi YuSiqin Bao
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2010 Volume 39 Issue 11 Pages 1158-1159

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Abstract

β-NaGd0.794Yb0.20Ho0.001Tm0.005F4 nanoparticles were synthesized through a simple hydrothermal method. The nanoparticles crystallized well and exhibited nearly hexagonal morphology and ellipsoidal spheres, as characterized by X-ray powder diffraction and transmission electron microscopy. The β-NaGd0.794Yb0.20Ho0.001Tm0.005F4 nanoparticles have an average size of about 23 nm. Room-temperature bright white upconversion luminescence in β-NaGd0.794Yb0.20Ho0.001Tm0.005F4 nanoparticles was obtained under single-wavelength diode laser excitation of 980 nm.

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© 2010 The Chemical Society of Japan
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