期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 14, 期 21, 页码 6438-6443出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200800307
关键词
chirality; circular dichroism; porphyrinoids; self-assembly
Phase-modulated ellipsometry of the J-aggregates of the title porphyrin shows that the material gives a true CD signal. This confirms that there is a real chiral transfer by mechanical forces, mediated by shear gradient flows, from the macroscopic to the electronic transition level. Dislocations in the structure of the aggregate could justify the formation of chirality at the level of the electronic transitions once the mesophases can be sculptured by hydrodynamic gradient flows.
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