Interfacial velocity-dependent plasmon damping in colloidal metallic nanoparticles

Zadoyan, R. and Seferyan, H.Y. and Wark, A.W. and Corn, R.M. and Apkarian, V.A. (2007) Interfacial velocity-dependent plasmon damping in colloidal metallic nanoparticles. Journal of Physical Chemistry C, 111 (29). pp. 10836-10840. ISSN 1932-7447 (https://doi.org/10.1021/jp0715979)

Abstract

Modulation of the surface plasmon resonance of colloidal silver nanoparticles driven by particle shape oscillations is interrogated via transient-scattering measurements using white light as the probe. The two-dimensional (λ, t) image of the spectrally resolved scattering shows π/2 phase shift between the modulation of center Ω(t) and width Γ(t) of the resonance − while Ω is modulated by the strain amplitude, the plasmon-damping rate Γ is modulated by the strain rate. We ascribe the effect to scattering from the electrophoretic potential generated by the motion of the interfacial double layer of the colloidal particles.

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• Item metadata

  Item type:	Article
  ID code:	44599
  Dates:	Date Event 2007 Published 23 June 2007 Published Online
  Subjects:	Science > Chemistry
  Department:	Faculty of Science > Pure and Applied Chemistry Technology and Innovation Centre > Bionanotechnology
  Depositing user:	Pure Administrator
  Date deposited:	27 Aug 2013 14:11
  Last modified:	08 Apr 2024 20:38
  URI:	https://strathprints.strath.ac.uk/id/eprint/44599