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Issue 21, 2017
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Chiral supramolecular organization from a sheet-like achiral gel: a study of chiral photoinduction

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Abstract

Chiral photoinduction in a photoresponsive gel based on an achiral 2D architecture with high geometric anisotropy and low roughness has been investigated. Circularly polarized light (CPL) was used as a chiral source and an azobenzene chromophore was employed as a chiral trigger. The chiral photoinduction was studied by evaluating the preferential excitation of enantiomeric conformers of the azobenzene units. Crystallographic data and density functional theory (DFT) calculations show how chirality is transferred to the achiral azomaterials as a result of the combination of chiral photochemistry and supramolecular interactions. This procedure could be applied to predict and estimate chirality transfer from a chiral physical source to a supramolecular organization using different light-responsive units.

Graphical abstract: Chiral supramolecular organization from a sheet-like achiral gel: a study of chiral photoinduction

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Publication details

The article was received on 18 Mar 2017, accepted on 03 May 2017 and first published on 05 May 2017


Article type: Paper
DOI: 10.1039/C7CP01739A
Citation: Phys. Chem. Chem. Phys., 2017,19, 13622-13628
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    Chiral supramolecular organization from a sheet-like achiral gel: a study of chiral photoinduction

    J. Royes, V. Polo, S. Uriel, L. Oriol, M. Piñol and R. M. Tejedor, Phys. Chem. Chem. Phys., 2017, 19, 13622
    DOI: 10.1039/C7CP01739A

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