Probing columnar discotic liquid crystals by EPR spectroscopy with a rigid-core nitroxide spin probe

Hemant Gopee; Andrew N. Cammidge; Vasily S. Oganesyan

doi:10.1002/anie.201303194

Probing columnar discotic liquid crystals by EPR spectroscopy with a rigid-core nitroxide spin probe

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Abstract

Discotics studied by EPR: The application of EPR spectroscopy to columnar discotic liquid crystals using a novel rigid-core nitroxide spin probe (see picture) is possible. EPR spectra measured at different temperatures across three phases of hexakis(n-hexyloxy)triphenylene show a strong sensitivity to the phase composition, molecular rotational dynamics, and columnar order.

Original language	English
Pages (from-to)	8917-8920
Number of pages	4
Journal	Angewandte Chemie-International Edition
Volume	52
Issue number	34
DOIs	https://doi.org/10.1002/anie.201303194
Publication status	Published - 19 Aug 2013

Keywords

liquid crystals
EPR spectroscopy
molecular dynamics
phase transitions
spin probes

Access to Document

10.1002/anie.201303194

Gopee_etal_2013_AngewChemIntEd
Copyright © 2013 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Final published version, 859 KB

Cite this

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abstract = "Discotics studied by EPR: The application of EPR spectroscopy to columnar discotic liquid crystals using a novel rigid-core nitroxide spin probe (see picture) is possible. EPR spectra measured at different temperatures across three phases of hexakis(n-hexyloxy)triphenylene show a strong sensitivity to the phase composition, molecular rotational dynamics, and columnar order.",

keywords = "liquid crystals, EPR spectroscopy, molecular dynamics, phase transitions, spin probes",

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KW - phase transitions

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