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Issue 89, 2015
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External electric field reverses helical handedness of a supramolecular columnar stack

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Abstract

Benzene-1,3,5-tricarboxamide (BTA) molecules self-assemble into one-dimensional columnar structures that possess a macrodipole moment along the stacking direction. Application of an external electric field on their liquid crystalline (LC) phase consisting of aligned stacks leads to a net polarization whose sign can be reversed by changing the direction of the field. Atomistic molecular dynamics simulations predict that such an experiment must be associated with the reversal of helical handedness of the stacks as well. An experiment to demonstrate this prediction in a chiral supramolecular assembly is proposed.

Graphical abstract: External electric field reverses helical handedness of a supramolecular columnar stack

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Publication details

The article was received on 06 Jul 2015, accepted on 15 Aug 2015 and first published on 18 Aug 2015


Article type: Communication
DOI: 10.1039/C5CC05569E
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Chem. Commun., 2015,51, 16049-16052

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    External electric field reverses helical handedness of a supramolecular columnar stack

    K. K. Bejagam, C. Kulkarni, S. J. George and S. Balasubramanian, Chem. Commun., 2015, 51, 16049
    DOI: 10.1039/C5CC05569E

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