Color micro- and nanopatterning with counter-propagating reaction-diffusion fronts

Christopher J. Campbell; Marcin Fialkowski; Rafal Klajn; Igor T. Bensemann; Bartosz A. Grzybowski

doi:10.1002/adma.200400383

Color micro- and nanopatterning with counter-propagating reaction-diffusion fronts

Christopher J. Campbell, Marcin Fialkowski, Rafal Klajn, Igor T. Bensemann, Bartosz A. Grzybowski

Weizmann Institute of Science, Israel

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

The system in which reaction-diffusion (RD) transforms microscopic patterns of chemicals delivered onto thin films of dry gelatin into regular arrays of lines was analyzed. It was observed that the color-patterned gels were used as high-quality diffraction gratings and photolithographic masks. It was observed that the colored portions of the films prepared with concentrated (1 M) FeCl₃ were opaque to UV radiation and the photoresist had binary topography. The color-patterned gels were also used in the fabrication of arrays of planar wave-guides and in sensory/assay applications.

Original language	English
Pages (from-to)	1912-1917
Number of pages	6
Journal	Advanced Materials
Volume	16
Issue number	21
DOIs	https://doi.org/10.1002/adma.200400383
Publication status	Published - Nov 4 2004

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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