Optical trapping of NaYF4:Er3+,Yb3+ upconverting fluorescent nanoparticles

P. Haro-González, B. Del Rosal, L. M. Maestro, E. Martín Rodríguez, R. Naccache, J. A. Capobianco, K. Dholakia, J. García Solé, D. Jaque

Research output: Contribution to journalArticle

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Abstract

We report on the first experimental observation of stable optical trapping of dielectric NaYF4:Er3+,Yb3+ upconverting fluorescent nanoparticles (∼26 nm in diameter) using a continuous wave 980 nm single-beam laser. The laser serves both to optically trap and to excite visible luminescence from the nanoparticles. Sequential loading of individual nanoparticles into the trap is observed from the analysis of the emitted luminescence. We demonstrate that the trapping strength and the number of individual nanoparticles trapped are dictated by both the laser power and nanoparticle density. The possible contribution of thermal effects has been investigated by performing trapping experiment in both heavy water and into distilled water. For the case of heavy water, thermal gradients are negligible and optical forces dominate the trap loading behaviour. The results provide a promising path towards real three dimensional manipulation of single NaYF 4:Er3+,Yb3+ nanoparticles for precise fluorescence sensing in biophotonics experiments.

Original languageEnglish
Pages (from-to)12192-12199
Number of pages8
JournalNanoscale
Volume5
Issue number24
DOIs
Publication statusPublished - 2013 Dec 2

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Nanoparticles
Deuterium Oxide
Heavy water
Luminescence
Lasers
Thermal effects
Thermal gradients
Laser beams
Experiments
Fluorescence
Water

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Haro-González, P., Del Rosal, B., Maestro, L. M., Martín Rodríguez, E., Naccache, R., Capobianco, J. A., ... Jaque, D. (2013). Optical trapping of NaYF4:Er3+,Yb3+ upconverting fluorescent nanoparticles. Nanoscale, 5(24), 12192-12199. https://doi.org/10.1039/c3nr03644h
Haro-González, P. ; Del Rosal, B. ; Maestro, L. M. ; Martín Rodríguez, E. ; Naccache, R. ; Capobianco, J. A. ; Dholakia, K. ; Solé, J. García ; Jaque, D. / Optical trapping of NaYF4:Er3+,Yb3+ upconverting fluorescent nanoparticles. In: Nanoscale. 2013 ; Vol. 5, No. 24. pp. 12192-12199.
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Haro-González, P, Del Rosal, B, Maestro, LM, Martín Rodríguez, E, Naccache, R, Capobianco, JA, Dholakia, K, Solé, JG & Jaque, D 2013, 'Optical trapping of NaYF4:Er3+,Yb3+ upconverting fluorescent nanoparticles', Nanoscale, vol. 5, no. 24, pp. 12192-12199. https://doi.org/10.1039/c3nr03644h

Optical trapping of NaYF4:Er3+,Yb3+ upconverting fluorescent nanoparticles. / Haro-González, P.; Del Rosal, B.; Maestro, L. M.; Martín Rodríguez, E.; Naccache, R.; Capobianco, J. A.; Dholakia, K.; Solé, J. García; Jaque, D.

In: Nanoscale, Vol. 5, No. 24, 02.12.2013, p. 12192-12199.

Research output: Contribution to journalArticle

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Haro-González P, Del Rosal B, Maestro LM, Martín Rodríguez E, Naccache R, Capobianco JA et al. Optical trapping of NaYF4:Er3+,Yb3+ upconverting fluorescent nanoparticles. Nanoscale. 2013 Dec 2;5(24):12192-12199. https://doi.org/10.1039/c3nr03644h