Durable Micropatterns Obtained from Dissipative Structures in Liquid Crystals

Durable Micropatterns Obtained from Dissipative Structures in Liquid Crystals

A diffraction grating or more complex optical phase object can be formed and preserved from a crosslinked liquid crystalline film. The gratings are formed from electrically conductive liquid crystals, which show a rich variety of dissipative structures depending on the applied AC field strength and...

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Veröffentlicht in:Chemphyschem 2001-11, Vol.2 (11), p.691-694
Hauptverfasser: Mießen, Nicole, Strauß, Jochen, Hoischen, Andreas, Kürschner, Kathrin, Kitzerow, Heinz-Siegfried
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
electrohydrodynamic instability
Exact sciences and technology
irreversible thermodynamics
liquid crystals
Physicochemistry of polymers
Polymerization
Polymers and radiations
thin films
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Beschreibung
Zusammenfassung:A diffraction grating or more complex optical phase object can be formed and preserved from a crosslinked liquid crystalline film. The gratings are formed from electrically conductive liquid crystals, which show a rich variety of dissipative structures depending on the applied AC field strength and frequency. Addition of a crosslinking agent and irradiation with UV light thereby “freezes” the structures.
ISSN:1439-4235
1439-7641
DOI:10.1002/1439-7641(20011119)2:11<691::AID-CPHC691>3.0.CO;2-S