Density-dependent optical response of gold nanoparticle monolayers on silicon substrates
Journal
Optics Letters
Journal Volume
32
Journal Issue
15
Pages
2128-2130
Date Issued
2007
Author(s)
Wang D.-S.
Abstract
We experimentally and theoretically study the density-dependent optical properties of 20 nm gold nanoparticle monolayers on silicon at 530 nm. Both results indicate a density-dependent resonance behavior. The density-dependent resonance suggests that the optical properties of the gold nanoparticle monolayers can be drastically modulated by changing the volume ratio V(r). It also implies, in this composite system, that the total surface plasmon resonance is maximized at a certain V(r).
Type
journal article