Determining the 3D orientation of optically trapped upconverting nanorods by in situ single-particle polarized spectroscopy

P. Rodríguez-Sevilla, Lucía Labrador-Páez, Dominika Wawrzyńczyk, Marcin Nyk, Marek Samoć, Ajoy Kumar Kar, Mark Donald Mackenzie, Lynn Paterson, Daniel Jaque, P. Haro-González

Research output: Contribution to journalArticle

Abstract

An approach to unequivocally determine the three-dimensional orientation of optically manipulated NaYF4:Er3+,Yb3+ upconverting nanorods (UCNRs) is demonstrated. Long-term immobilization of individual UCNRs inside single and multiple resonant optical traps allow for stable single UCNR spectroscopy studies. Based on the strong polarization dependent upconverted luminescence of UCNRs it is possible to unequivocally determine, in real time, their three-dimensional orientation when optically trapped. In single-beam traps, polarized single particle spectroscopy has concluded that UCNRs orientate parallel to the propagation axis of the trapping beam. On the other hand, when multiple-beam optical tweezers are used, single particle polarization spectroscopy demonstrated how full spatial control over UCNR orientation can be achieved by changing the trap-to-trap distance as well as the relative orientation between optical traps. All these results show the possibility of real time three-dimensional manipulation and tracking of anisotropic nanoparticles with wide potential application in modern nanobiophotonics.

Original languageEnglish
Pages (from-to)300-308
Number of pages9
JournalNanoscale
Volume8
Issue number1
DOIs
Publication statusPublished - 7 Jan 2016

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Nanorods
Spectroscopy
Polarization
Optical tweezers
Luminescence
Nanoparticles

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Rodríguez-Sevilla, P., Labrador-Páez, L., Wawrzyńczyk, D., Nyk, M., Samoć, M., Kar, A. K., ... Haro-González, P. (2016). Determining the 3D orientation of optically trapped upconverting nanorods by in situ single-particle polarized spectroscopy. Nanoscale, 8(1), 300-308. https://doi.org/10.1039/c5nr06419h
Rodríguez-Sevilla, P. ; Labrador-Páez, Lucía ; Wawrzyńczyk, Dominika ; Nyk, Marcin ; Samoć, Marek ; Kar, Ajoy Kumar ; Mackenzie, Mark Donald ; Paterson, Lynn ; Jaque, Daniel ; Haro-González, P. / Determining the 3D orientation of optically trapped upconverting nanorods by in situ single-particle polarized spectroscopy. In: Nanoscale. 2016 ; Vol. 8, No. 1. pp. 300-308.
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Rodríguez-Sevilla, P, Labrador-Páez, L, Wawrzyńczyk, D, Nyk, M, Samoć, M, Kar, AK, Mackenzie, MD, Paterson, L, Jaque, D & Haro-González, P 2016, 'Determining the 3D orientation of optically trapped upconverting nanorods by in situ single-particle polarized spectroscopy', Nanoscale, vol. 8, no. 1, pp. 300-308. https://doi.org/10.1039/c5nr06419h

Determining the 3D orientation of optically trapped upconverting nanorods by in situ single-particle polarized spectroscopy. / Rodríguez-Sevilla, P.; Labrador-Páez, Lucía; Wawrzyńczyk, Dominika; Nyk, Marcin; Samoć, Marek; Kar, Ajoy Kumar; Mackenzie, Mark Donald; Paterson, Lynn; Jaque, Daniel; Haro-González, P.

In: Nanoscale, Vol. 8, No. 1, 07.01.2016, p. 300-308.

Research output: Contribution to journalArticle

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AU - Labrador-Páez, Lucía

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AU - Nyk, Marcin

AU - Samoć, Marek

AU - Kar, Ajoy Kumar

AU - Mackenzie, Mark Donald

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AU - Jaque, Daniel

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