Preparation and Characterization of Rare Earth Ions Doped Fluoride Core-Shell up-Conversion Luminescence Nanomaterials

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Abstract:

Coating a heterogeneous layer outside the core nanoparticles has become a common method to protect the properties of nanoparticles and may extend the application range of core nanoparticles. Rare earth ion-doped nanoparticles NaYF4:Yb 3+ ,Er 3+ is one of the most efficient up-conversion nanosystems. In this work, a multi-functional NaYF4:Yb 3+ ,Er 3+ @TiO2 core-shell structure nanocomposite was synthesized. The structure, optical and photoluminescence properties of the up-converting nanoparticles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), and room temperature up-conversion luminescence (UCL) spectrofluorimetric measurements.

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Advanced Materials Research (Volumes 512-515)

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1972-1975

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May 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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