In Situ Observation of Fringing-Field-Induced Phase Separation in a Liquid-Crystal--Monomer Mixture

by: Hongwen Ren, Shin T Wu, Yi H Lin

Physical Review Letters, Vol. 100, No. 11. (2008)

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Abstract

Fringing-field-induced phase separation dynamics in liquid-crystal–(LC-)monomer mixtures is investigated via a microscope. At a low LC concentration, the fringing field converts the randomly dispersed LC droplets to an ordered droplet array, while at a high LC concentration the fringing field converts the amorphous LC-monomer system to a composite film. Because the LC and monomer are immiscible, the converted morphologies are stable even after the voltage is removed. Using the fringing field-induced phase separation, it is possible to prepare different polymer-dispersed LC morphologies.

@article{citeulike:2581281, abstract = {Fringing-field-induced phase separation dynamics in liquid-crystal\–(LC-)monomer mixtures is investigated via a microscope. At a low LC concentration, the fringing field converts the randomly dispersed LC droplets to an ordered droplet array, while at a high LC concentration the fringing field converts the amorphous LC-monomer system to a composite film. Because the LC and monomer are immiscible, the converted morphologies are stable even after the voltage is removed. Using the fringing field-induced phase separation, it is possible to prepare different polymer-dispersed LC morphologies.}, author = {Ren, Hongwen and Wu, Shin T. and Lin, Yi H. }, citeulike-article-id = {2581281}, doi = {http://dx.doi.org/10.1103/PhysRevLett.100.117801}, journal = {Physical Review Letters}, keywords = {2008, cool, liquidcrystal, phase, polymer}, number = {11}, posted-at = {2008-05-07 23:49:57}, priority = {2}, publisher = {APS}, title = {In Situ Observation of Fringing-Field-Induced Phase Separation in a Liquid-Crystal--Monomer Mixture}, url = {http://dx.doi.org/10.1103/PhysRevLett.100.117801}, volume = {100}, year = {2008} }

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TY - JOUR ID - citeulike:2581281 L3 - citeulike-article-id:2581281 TI - In Situ Observation of Fringing-Field-Induced Phase Separation in a Liquid-Crystal--Monomer Mixture JF - Physical Review Letters VL - 100 IS - 11 PB - APS N2 - Fringing-field-induced phase separation dynamics in liquid-crystal–(LC-)monomer mixtures is investigated via a microscope. At a low LC concentration, the fringing field converts the randomly dispersed LC droplets to an ordered droplet array, while at a high LC concentration the fringing field converts the amorphous LC-monomer system to a composite film. Because the LC and monomer are immiscible, the converted morphologies are stable even after the voltage is removed. Using the fringing field-induced phase separation, it is possible to prepare different polymer-dispersed LC morphologies. KW - 2008 KW - cool KW - liquidcrystal KW - phase KW - polymer AU - Ren, Hongwen AU - Wu, Shin AU - Lin, Yi PY - 2008/// UR - http://dx.doi.org/10.1103/PhysRevLett.100.117801 ER -

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