Jump to main content
Jump to site search

Issue 22, 2016
Previous Article Next Article

Far-field optical nanothermometry using individual sub-50 nm upconverting nanoparticles

Author affiliations

Abstract

We demonstrate far-field optical thermometry using individual NaYF4 nanoparticles doped with 2% Er3+ and 20% Yb3+. Isolated 20 × 20 × 40 nm3 particles were identified using only far-field optical imaging, confirmed by subsequent scanning electron microscopy. The luminescence thermometry response for five such single particles was characterized for temperatures from 300 K to 400 K. A standard Arrhenius model widely used for larger particles can still be accurately applied to these sub-50 nm particles, with good particle-to-particle uniformity (response coefficients exhibited standard deviations below 5%). With its spatial resolution on the order of 50 nm when imaging a single particle, far below the diffraction limit, this technique has potential applications for both fundamental thermal measurements and nanoscale metrology in industrial applications.

Graphical abstract: Far-field optical nanothermometry using individual sub-50 nm upconverting nanoparticles

Back to tab navigation

Supplementary files

Publication details

The article was received on 22 Feb 2016, accepted on 19 May 2016 and first published on 24 May 2016


Article type: Paper
DOI: 10.1039/C6NR01479H
Citation: Nanoscale, 2016,8, 11611-11616
  •   Request permissions

    Far-field optical nanothermometry using individual sub-50 nm upconverting nanoparticles

    J. D. Kilbane, E. M. Chan, C. Monachon, N. J. Borys, E. S. Levy, A. D. Pickel, J. J. Urban, P. J. Schuck and C. Dames, Nanoscale, 2016, 8, 11611
    DOI: 10.1039/C6NR01479H

Search articles by author

Spotlight

Advertisements