https://doi.org/10.1140/epjb/e2009-00173-8
Size-dependent effects in solutions of small metal nanoparticles
1
Laboratory of Nanosystems Electrodynamics, Chuiko Institute
of Surface Chemistry NAS of Ukraine, Kyiv, 03164, Ukraine
2
Department of Physics, Jackson State University, Jackson, MS, 39217, USA
Corresponding author: a pustovit@ccmsi.us
Received:
27
January
2009
Revised:
24
March
2009
Published online:
13
May
2009
A new theoretical approach for the calculation of optical properties of complex solutions is proposed. It is based on a dielectric matrix εm with included small metallic inclusions (less than 3 nm) of spherical shape. We take into account the mutual interactions between the inclusions and the quantum finite-size effects. On the basis of the effective medium model, TDLDA and Kohn-Sham theories, some analytical expressions for the effective dielectric permittivity of the solution are obtained.
PACS: 78.67.Bf – Nanocrystals and nanoparticles / 73.20.Mf – Collective excitations
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2009
