Electrical and optical properties of self-assembled, ordered gold nanocrystal/silica thin films prepared by sol-gel processing

Highly ordered gold NC/silica films are synthesized by self-assembly of water-soluble gold nanocrystal micelles and soluble silica using a sol-gel spin-coating technique. The optical properties are analyzed using ellipsometry and ultraviolet-visible spectroscopy. The absorption spectra show a strong surface plasmon absorption band at ∼520 nm for all samples. Angular excitation spectra of the surface plasmon show a steep dip in the reflectivity curve at ∼65°. Charge transport behavior of the films is examined using metal-oxide-semiconductor (MOS) structures. MOS capacitor samples exhibit charge storage with discharge behavior dominated by electron transport within the gold NC arrays. © 2005 Materials Research Society.

Duke Authors

Cited Authors

  • Yang, K; Fan, H; O'Brien, MJ; Fontaine, SL; Lopez, GP; Malloy, KJ; Brinker, CJ; Sigmon, TW

Published Date

  • 2005

Published In

Volume / Issue

  • 872 /

Start / End Page

  • 103 - 108

International Standard Serial Number (ISSN)

  • 0272-9172