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Issue 3, 2011
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Highly spectral dependent enhancement of upconversion emission with sputtered gold island films

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Abstract

We report a five-fold overall enhancement of upconversion emission in NaYF4 : Yb/Er nanocrystals when coupled with gold island films. Spectroscopic studies show that the enhancement factors are highly dependent on the exact spectral positions and excitation power density, with a largest enhancement factor of more than 12 observed at selected spectral positions, which may be attributed to different upconversion processes involved.

Graphical abstract: Highly spectral dependent enhancement of upconversion emission with sputtered gold island films

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Publication details

The article was received on 30 Aug 2010, accepted on 27 Oct 2010 and first published on 16 Nov 2010


Article type: Communication
DOI: 10.1039/C0CC03566A
Citation: Chem. Commun., 2011,47, 979-981
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    Highly spectral dependent enhancement of upconversion emission with sputtered gold island films

    H. Zhang, D. Xu, Y. Huang and X. Duan, Chem. Commun., 2011, 47, 979
    DOI: 10.1039/C0CC03566A

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