Ordered 2D colloidal photonic crystals on gold substrates by surfactant-assisted fast-rate dip coating

Eileen Armstrong, Worawut Khunsin, Michal Osiak, Martin Blömker, Clivia M.Sotomayor Torres, Colm O'Dwyer

Research output: Contribution to journalArticlepeer-review

56 Citations (Scopus)

Abstract

Surfactant induced ordering of 2D and 3D colloidal crystal photonic crystals is possible on metallic substrates by dip-coating at fast rates (≈1 mm/min). Ordered monolayer opals on conductive gold-coated silicon substrates behave as a 2D diffraction grating. The method allows high throughput, ordered colloidal crystal formation useful as nanomaterials templates for energy storage or functional materials.

Original languageEnglish
Pages (from-to)1895-1901
Number of pages7
JournalSmall
Volume10
Issue number10
DOIs
Publication statusPublished - 28 May 2014
Externally publishedYes

Keywords

  • colloids
  • monolayers
  • photonic crystals
  • self-assembly
  • template synthesis

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