Optical in situ size determination of single lanthanide-ion doped oxide nanoparticles
Résumé
We show that the size of a lanthanide-ion doped nanoparticle can be accurately determined from its luminosity. The optically determined size distribution is in very good agreement with the distribution obtained from transmission electron microscopy. These data confirm that single nanoparticles are visualized in microscopy experiments. Nanoparticles as small as 13 nm are detectable with integration times of 500 ms. (c) 2006 American Institute of Physics.
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