Probing Columnar Discotic Liquid Crystals by EPR Spectroscopy with a Rigid‐Core Nitroxide Spin Probe | Zendy

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

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Probing Columnar Discotic Liquid Crystals by EPR Spectroscopy with a Rigid‐Core Nitroxide Spin Probe

Author(s) -

Gopee Hemant,

Cammidge Andrew N.,

Oganesyan Vasily S.

Publication year - 2013

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201303194

Subject(s) - discotic liquid crystal , electron paramagnetic resonance , columnar phase , triphenylene , chemical physics , liquid crystal , spectroscopy , nitroxide mediated radical polymerization , materials science , crystallography , chemistry , nuclear magnetic resonance , organic chemistry , mesophase , optoelectronics , polymer , physics , radical polymerization , quantum mechanics , copolymer

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.

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