Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/2353
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dc.contributor.authorBegum, N.-
dc.contributor.authorKaur, Supreet-
dc.contributor.authorMohiuddin, G.-
dc.contributor.authorPal, S.K.-
dc.date.accessioned2020-11-27T11:39:38Z-
dc.date.available2020-11-27T11:39:38Z-
dc.date.issued2019-
dc.identifier.citationJournal of Physical Chemistry Cen_US
dc.identifier.otherhttps://doi.org/10.1021/acs.jpcc.9b09326-
dc.identifier.urihttps://pubs.acs.org/doi/abs/10.1021/acs.jpcc.9b09326-
dc.identifier.urihttp://hdl.handle.net/123456789/2353-
dc.descriptionOnly IISERM authors are available in the record.-
dc.description.abstractWe have investigated two new series of unsymmetrical four-ring bent-core molecules with methylated azobenzene wings exhibiting nematic mesophase. The difference between the two series was in the relative position of the methyl (−CH3) substituent with respect to the azo (−N═N−) linkage in the molecule. Single-crystal X-ray diffraction analysis unravels significant insights into the spatial molecular arrangement and molecular stacking interactions of these bent-core systems. The materials were able to show photoswitching behavior and photomasking effect in the liquid-crystalline state via nematic to isotropic (order to disorder) transition when illuminated with UV light. In solid state, the materials exhibit photochromism upon UV light exposure. One of the representative compounds (2/12) was studied to observe the optically enhanced Fréedericksz transition (FT) effect stimulated by UV light intensity. A prototype of phase grating has also been devised based upon the observed FT-enhanced effect that has a prospect in certain photonic devices of dynamic and reversible light manipulation.en_US
dc.language.isoenen_US
dc.publisherAmerican Chemical Societyen_US
dc.subjectNew seriesen_US
dc.subjectMoleculesen_US
dc.subjectUnsymmetricalen_US
dc.titlePhotoswitchable Bent-Core Nematic Liquid Crystals with Methylated Azobenzene Wing Exhibiting Optic-Field-Enhanced Fréedericksz Transition Effecten_US
dc.typeArticleen_US
Appears in Collections:Research Articles

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