Levitated Plasmonic Nanoantennas in an Aqueous Environment

Tuan Y, Kim JT, Liu HW, Sandoghdar V (2017)

Publication Type: Journal article

Publication year: 2017

Journal

ACS nano American Chemical Society

Book Volume: 11

Pages Range: 7674-7678

Journal Issue: 8

DOI: 10.1021/acsnano.7b03310

Abstract

We report on the manipulation of a plasmonic nanoantenna in an aqueous solution using an electrostatic trap created between a glass nanopipette and a substrate. By scanning a trapped gold nanosphere in the near field of a single colloidal quantum dot embedded under the substrate surface, we demonstrate about 8-fold fluorescence enhancement over a lateral full width at half-maximum of about 45 nm. We analyze our results with the predictions of numerical electromagnetic simulations under consideration of the electrostatic free energy in the trap. Our approach could find applications in a number of experiments, where plasmonic effects are employed at liquid-solid interfaces.

Authors with CRIS profile

Vahid Sandoghdar

Involved external institutions

Max-Planck-Institut für die Physik des Lichts (MPL) / Max Planck Institute for the Science of Light DE Germany (DE)

How to cite

APA:

Tuan, Y., Kim, J.T., Liu, H.-W., & Sandoghdar, V. (2017). Levitated Plasmonic Nanoantennas in an Aqueous Environment. ACS nano, 11(8), 7674-7678. https://doi.org/10.1021/acsnano.7b03310

MLA:

Tuan, Yazgan, et al. "Levitated Plasmonic Nanoantennas in an Aqueous Environment." ACS nano 11.8 (2017): 7674-7678.

BibTeX: Download