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Supramolecular Stereomutation in Kinetic and Thermodynamic Self‐Assembly of Helical Merocyanine Dye Nanorods
Author(s) -
Lohr Andreas,
Lysetska Marina,
Würthner Frank
Publication year - 2005
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.200500640
Subject(s) - merocyanine , circular dichroism , supramolecular chirality , nanorod , chirality (physics) , supramolecular chemistry , kinetic energy , exciton , spectroscopy , photochemistry , crystallography , materials science , self assembly , chemistry , nanotechnology , crystal structure , photochromism , physics , nambu–jona lasinio model , chiral symmetry breaking , quantum mechanics , quark
An inversion of the exciton chirality and structural changes upon transformation from kinetic to thermodynamic assembly are features of helical bis(merocyanine) dye nanorods (see picture), as elucidated by time‐dependent circular dichroism (CD) spectroscopy and atomic force microscopy.