Homeotropic Alignment of Columnar Liquid Crystals in Open Films by Means of Surface Nanopatterning

Homeotropic Alignment of Columnar Liquid Crystals in Open Films by Means of Surface Nanopatterning

Columnar liquid crystals (LCs) are reported to align spontaneously homeotropically—that is, orthogonally to the surface (see figure and inside cover)—on a glass surface covered with a layer of poly(tetrafluoroethylene) transferred by friction (rubbing). This strategy for producing macroscopic monodo...

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Veröffentlicht in:Advanced Materials 2007-03, Vol.19 (6), p.815-820
Hauptverfasser: Gearba, R. I., Anokhin, D. V., Bondar, A. I., Bras, W., Jahr, M., Lehmann, M., Ivanov, D. A.
Format: Artikel
Sprache:eng
Schlagworte:
ALIGNMENT
LIQUID CRYSTALS
MATERIALS SCIENCE
Nanopatterning
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
national synchrotron light source
Photovoltaic devices
Surface patterning
SURFACE PROPERTIES
TEXTURE
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Beschreibung
Zusammenfassung:Columnar liquid crystals (LCs) are reported to align spontaneously homeotropically—that is, orthogonally to the surface (see figure and inside cover)—on a glass surface covered with a layer of poly(tetrafluoroethylene) transferred by friction (rubbing). This strategy for producing macroscopic monodomains of homeotropically aligned LCs may find important applications in the fabrication of LC‐based organic solar cells.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200602460