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Arri Priimagi, Marco Saccone, Gabriella Cavallo, Atsushi Shishido, Tullio Pilati, Pierangelo Metrangolo and Giuseppe Resnati Photoalignment and Surface-Relief-Grating Formation are Efficiently Combined in Low-Molecular-Weight Halogen-Bonded Complexes Advanced Materials 24

Article first published online: 18 OCT 2012 | DOI: 10.1002/adma.201204060

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An unprecedented optical performance is reported for a novel photoresponsive supramolecular liquid-crystalline complex, self-assembled through halogen bonding between a non-mesogenic stilbazole derivative, acting as a bond acceptor, and a non-mesogenic bond donor containing an azo-group. Efficient photoalignment and an exceptional surface-relief-grating formation are combined in this low-molecular-weight supramolecular assembly, thanks to the high directionality of the halogen bond.

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