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Synthesis and Characterization of Upconverting NaYF4:Er3+, Yb3+ Nanocrystals via Thermal Decomposition of Stearate Precursor

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Abstract:

Er3+–Yb3+ codoped hexagonal NaYF4 nanocrystals were prepared via a method of thermal decomposition of stearate precursor. Their crystal structure, morphologies and photoluminescence (PL) properties were characterized by XRD, SEM, and fluorescence spectra. The hexagonal NaYF4:Er3+, Yb3+ nanocrystals could be well dispersed in cyclohexane to form a clear solution. Under 980 nm excitation, the solution of Er3+–Yb3+ codoped NaYF4 nanocrystals emits bright green upconversion fluorescence.

Keywords: NANOCRYSTALS; NAYF4; RARE EARTH; UPCONVERSION LUMINESCENCE

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2011.5257

Publication date: 2011-11-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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