Liquid crystalline textures and polymer morphologies resulting from electropolymerisation in liquid crystal phases
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2015Metadata
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Kasch, N.
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Liquid crystalline textures and polymer morphologies resulting from electropolymerisation in liquid crystal phases
Abstract
A small fraction of an acrylate liquid crystalline monomer (<= 5%) is mixed into nematic and
smectic liquid crystalline phases, and polymerised through the application of a voltage
(electropolymerisation). Polarising optical microscopy reveals that the textures during
polymerisation are templated through stabilisation via the forming polymer. During
polymerisation in the nematic phase, the director can be observed to gradually reorient into the
field-on state. Scanning electron microscopy reveals rope-like and corrugated structures of a
distinctive periodicity (500-750 nm). Quite different polymer structures are formed by
electropolymerisation in the smectic phase, such as micron-scale worm-like objects that
agglomerate reversibly as the temperature changes.
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Patrocinador
Conicyt
Fondecyt Project 1130187
NowNano Program
Quote Item
Journal of Materials Chemistry C - Volumen: 3 Número: 31 - 2015
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