Issue 2, 2015

Surface enhanced anti-Stokes one-photon luminescence from single gold nanorods

Abstract

Anti-Stokes one-photon luminescence from a single gold nanorod is experimentally investigated. The anti-Stokes emission of gold nanorods is enhanced and strongly modulated by localized surface plasmon resonance (LSPR). It is found that the polarization dependence of the anti-Stokes emission is in strong correlation with that of the Stokes emission. Further experiments provide evidence that LSPR significantly enhanced both excitation and emission processes. Moreover, the line shape of the anti-Stokes emission is dependent on the surface temperature, which is related to the distribution of free electrons near the Fermi level. This discovery provides an effective method in principle to probe localized temperature at nanoscale dimension. Here, the reported results about the anti-Stokes emission provide more understanding for the photoemission process from the plasmonic nanostructures.

Graphical abstract: Surface enhanced anti-Stokes one-photon luminescence from single gold nanorods

Article information

Article type
Paper
Submitted
23 Aug 2014
Accepted
28 Oct 2014
First published
03 Nov 2014

Nanoscale, 2015,7, 577-582

Author version available

Surface enhanced anti-Stokes one-photon luminescence from single gold nanorods

Y. He, K. Xia, G. Lu, H. Shen, Y. Cheng, Y. Liu, K. Shi, Y. Xiao and Q. Gong, Nanoscale, 2015, 7, 577 DOI: 10.1039/C4NR04879B

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