Tailoring the interfaces between nematic liquid crystal emulsions and aqueous phases via layer-by-layer assembly

Elvira Tjipto; Katie D. Cadwell; John F. Quinn; Angus P R Johnston; Nicholas L. Abbott; Frank Caruso

doi:10.1021/nl061604p

Tailoring the interfaces between nematic liquid crystal emulsions and aqueous phases via layer-by-layer assembly

Elvira Tjipto, Katie D. Cadwell, John F. Quinn, Angus P R Johnston, Nicholas L. Abbott, Frank Caruso

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

139 Citations (Scopus)

Abstract

We report the assembly of polyelectrolyte multilayer (PEM) films at the interfaces of thermotropic liquid crystal (LC) droplets dispersed in an aqueous phase. Exposure of PEM-coated droplets to surfactant slowed the bipolar-to-radial ordering transition of the LCs by 2 orders of magnitude relative to naked droplets. This shows that PEMs can be used to influence the interactions of analytes with the LC cores of the droplets, allowing tuning of the LC emulsion sensing properties.

Original language	English
Pages (from-to)	2243-2248
Number of pages	6
Journal	Nano Letters
Volume	6
Issue number	10
DOIs	https://doi.org/10.1021/nl061604p
Publication status	Published - 1 Oct 2006
Externally published	Yes

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10.1021/nl061604p

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abstract = "We report the assembly of polyelectrolyte multilayer (PEM) films at the interfaces of thermotropic liquid crystal (LC) droplets dispersed in an aqueous phase. Exposure of PEM-coated droplets to surfactant slowed the bipolar-to-radial ordering transition of the LCs by 2 orders of magnitude relative to naked droplets. This shows that PEMs can be used to influence the interactions of analytes with the LC cores of the droplets, allowing tuning of the LC emulsion sensing properties.",

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AU - Johnston, Angus P R

AU - Abbott, Nicholas L.

AU - Caruso, Frank

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AB - We report the assembly of polyelectrolyte multilayer (PEM) films at the interfaces of thermotropic liquid crystal (LC) droplets dispersed in an aqueous phase. Exposure of PEM-coated droplets to surfactant slowed the bipolar-to-radial ordering transition of the LCs by 2 orders of magnitude relative to naked droplets. This shows that PEMs can be used to influence the interactions of analytes with the LC cores of the droplets, allowing tuning of the LC emulsion sensing properties.

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Tailoring the interfaces between nematic liquid crystal emulsions and aqueous phases via layer-by-layer assembly

Abstract

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