Control of the plasmon absorption of gold nanoparticles with a two-color excitation

I. V. Kityk, K. J. Plucinski, J. Eboth́, Ali Umar Akrajas, M. Oyama

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Substantial photoinduced changes of ultraviolet (UV) -visible (UV-vis) optical spectra were observed for the Au nanoparticles prepared by a "touch" seed-mediated growth technique on the surface of indium-tin-oxide substrate. The phototreatment was performed by two-color coherent laser beams with a wavelength of 1060 nm (fundamental beam) and double frequency 530 nm (writing beam). The maximal photoinduced changes of the UV-vis spectra were observed for the surfaces possessing low resistivity (about 4 Ωsq). Those of higher resistivity (about 50 Ωsq) demonstrate only slight shifts of the main Au particle surface-plasmon resonance maxima at λ=570 nm. The effect observed is a consequence of a superposition of optically induced surface plasmon resonance, scattering on optically induced grating and electron-phonon relaxation.

Original languageEnglish
Article number084304
JournalJournal of Applied Physics
Volume98
Issue number8
DOIs
Publication statusPublished - 15 Oct 2005
Externally publishedYes

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surface plasmon resonance
gold
color
nanoparticles
electrical resistivity
touch
resonance scattering
ultraviolet spectra
visible spectrum
indium oxides
tin oxides
excitation
optical spectrum
seeds
gratings
laser beams
shift
wavelengths
electrons

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

Control of the plasmon absorption of gold nanoparticles with a two-color excitation. / Kityk, I. V.; Plucinski, K. J.; Eboth́, J.; Akrajas, Ali Umar; Oyama, M.

In: Journal of Applied Physics, Vol. 98, No. 8, 084304, 15.10.2005.

Research output: Contribution to journalArticle

Kityk, I. V. ; Plucinski, K. J. ; Eboth́, J. ; Akrajas, Ali Umar ; Oyama, M. / Control of the plasmon absorption of gold nanoparticles with a two-color excitation. In: Journal of Applied Physics. 2005 ; Vol. 98, No. 8.
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