Fabrication of ordered nanostructured arrays using poly(dimethylsiloxane) replica molds based on three-dimensional colloidal crystals

Hong Kyoon Choi, Mun Ho Kim, Sang Hyuk Im, O. Ok Park

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Hexagonally arrayed structures of colloidal crystals with uniform surface are a good candidate for master molds to be used in soft lithography. Here, the fabrication of periodically arrayed nanostructures using poly(dimethylsiloxane) (PDMS) molds based on three-dimensionally (3D) ordered colloidal crystals is reported. A robust, high-quality 3D colloidalcrystal master molds is prepared using the colloidal suspension containing a water-soluble polymer. The surface patterns of the 3D colloidal crystals can then be transferred onto a polymer film via soft lithography, by means of the replication of the surface pattern with PDMS. Various hexagonally arrayed nanostructure patterns can be fabricated, including close-packed and nonclose- packed 2D arrays and honeycomb structures by the structural modification of the 3D colloidal-crystal templates. The replicated hexagonally arrayed structures can also be used as templates for producing colloidal crystals with 2D superlattices.

Original languageEnglish
Pages (from-to)1594-1600
Number of pages7
JournalAdvanced Functional Materials
Volume19
Issue number10
DOIs
Publication statusPublished - 2009 May 22
Externally publishedYes

Fingerprint

Molds
Polydimethylsiloxane
replicas
Fabrication
Crystals
fabrication
crystals
Lithography
Nanostructures
templates
lithography
Honeycomb structures
honeycomb structures
Superlattices
polymers
Polymer films
colloids
superlattices
Suspensions
Polymers

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Fabrication of ordered nanostructured arrays using poly(dimethylsiloxane) replica molds based on three-dimensional colloidal crystals. / Choi, Hong Kyoon; Kim, Mun Ho; Im, Sang Hyuk; Park, O. Ok.

In: Advanced Functional Materials, Vol. 19, No. 10, 22.05.2009, p. 1594-1600.

Research output: Contribution to journalArticle

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