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Light‐Driven Supramolecular Chirality in Propeller‐Like Hydrogen‐Bonded Complexes That Show Columnar Mesomorphism
Author(s) -
Vera Francisco,
Tejedor Rosa M.,
Romero Pilar,
Barberá Joaquín,
Ros M. Blanca,
Serrano José Luis,
Sierra Teresa
Publication year - 2007
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.200603796
Subject(s) - supramolecular chemistry , chirality (physics) , supramolecular chirality , propeller , crystallography , materials science , irradiation , inversion (geology) , helix (gastropod) , chemistry , physics , crystal structure , chiral symmetry , biology , paleontology , particle physics , marine engineering , snail , nuclear physics , nambu–jona lasinio model , engineering , quark , structural basin
Shine a light! Columnar mesomorphic assembles of propeller‐like hydrogen‐bonded complexes show a chiral photoresponse upon irradiation with circularly polarized light (CPL) of a given handedness (see picture). The materials can behave as a supramolecular switch that undergoes helix inversion when irradiated with the oppositely polarized light.