Optical properties of Au-Ag nanoboxes studied by single nanoparticle spectroscopy

Min Hu, Hristina Petrova, Andrew R. Sekkinen, Jingyi Chen, Joseph M. McLellan, Zhi Yuan Li, Manuel Marquez, Xingde Li, Younan Xia, Gregory V. Hartland

Research output: Contribution to journalArticle

Abstract

The optical properties of two Au-Ag nanobox samples with average edge lengths of 44 and 58 nm and wall thicknesses of 6 and 8 nm, respectively, have been studied by single particle spectroscopy. The measurements gave an average line width of Γ̄ = 306 ± 7 meV with a standard deviation of σ = 30 meV for the 44-nm boxes, and F = 350 ± 9 meV with σ = 35 meV for the 58-nm boxes. These line widths are much broader than those of gold nanorods with comparable resonance energies. The increased broadening is attributed to a combination of surface scattering of electrons, as well as increased radiation damping for the nanoboxes. Discrete dipole approximation calculations have been performed with and without surface scattering of electrons to compare with the experimental spectra. The calculations confirm that both electron-surface scattering and radiation damping are important effects in this system.

Original languageEnglish (US)
Pages (from-to)19923-19928
Number of pages6
JournalJournal of Physical Chemistry B
Volume110
Issue number40
DOIs
StatePublished - Oct 12 2006
Externally publishedYes

Fingerprint

Surface scattering
Optical properties
Spectroscopy
Nanoparticles
optical properties
Linewidth
nanoparticles
boxes
Electrons
Damping
damping
scattering
spectroscopy
Radiation
electrons
radiation
Nanorods
Gold
nanorods
standard deviation

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Hu, M., Petrova, H., Sekkinen, A. R., Chen, J., McLellan, J. M., Li, Z. Y., ... Hartland, G. V. (2006). Optical properties of Au-Ag nanoboxes studied by single nanoparticle spectroscopy. Journal of Physical Chemistry B, 110(40), 19923-19928. https://doi.org/10.1021/jp0621068

Optical properties of Au-Ag nanoboxes studied by single nanoparticle spectroscopy. / Hu, Min; Petrova, Hristina; Sekkinen, Andrew R.; Chen, Jingyi; McLellan, Joseph M.; Li, Zhi Yuan; Marquez, Manuel; Li, Xingde; Xia, Younan; Hartland, Gregory V.

In: Journal of Physical Chemistry B, Vol. 110, No. 40, 12.10.2006, p. 19923-19928.

Research output: Contribution to journalArticle

Hu, M, Petrova, H, Sekkinen, AR, Chen, J, McLellan, JM, Li, ZY, Marquez, M, Li, X, Xia, Y & Hartland, GV 2006, 'Optical properties of Au-Ag nanoboxes studied by single nanoparticle spectroscopy', Journal of Physical Chemistry B, vol. 110, no. 40, pp. 19923-19928. https://doi.org/10.1021/jp0621068
Hu M, Petrova H, Sekkinen AR, Chen J, McLellan JM, Li ZY et al. Optical properties of Au-Ag nanoboxes studied by single nanoparticle spectroscopy. Journal of Physical Chemistry B. 2006 Oct 12;110(40):19923-19928. https://doi.org/10.1021/jp0621068
Hu, Min ; Petrova, Hristina ; Sekkinen, Andrew R. ; Chen, Jingyi ; McLellan, Joseph M. ; Li, Zhi Yuan ; Marquez, Manuel ; Li, Xingde ; Xia, Younan ; Hartland, Gregory V. / Optical properties of Au-Ag nanoboxes studied by single nanoparticle spectroscopy. In: Journal of Physical Chemistry B. 2006 ; Vol. 110, No. 40. pp. 19923-19928.
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