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Issue 8, 2010
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Absolute quantum yield measurements of colloidal NaYF4: Er3+, Yb3+ upconverting nanoparticles

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Abstract

In this communication we describe a technique for measuring the absolute quantum yields (QYs) of upconverting nanomaterials based on the use of a commercially available fluorimeter and an integrating sphere. Using this setup, we have successfully acquired luminescence efficiency data (pump laser, absorbed pump, and visible emitted intensities) for lanthanide-doped upconverting nanoparticles. QYs in the range of 0.005% to 0.3% were measured for several NaYF4: 2% Er3+, 20% Yb3+ nanoparticles with particle sizes ranging from 10 to 100 nm while a QY of 3% was measured for a bulk sample.

Graphical abstract: Absolute quantum yield measurements of colloidal NaYF4: Er3+, Yb3+ upconverting nanoparticles

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Publication details

The article was received on 13 Apr 2010, accepted on 13 May 2010 and first published on 29 May 2010


Article type: Communication
DOI: 10.1039/C0NR00253D
Nanoscale, 2010,2, 1417-1419

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    Absolute quantum yield measurements of colloidal NaYF4: Er3+, Yb3+ upconverting nanoparticles

    J. Boyer and F. C. J. M. van Veggel, Nanoscale, 2010, 2, 1417
    DOI: 10.1039/C0NR00253D

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