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Title: On the mechano-chiral effect of vortical flows on the dichroic spectra of 5-phenyl-10,15,20-tris(4-sulfonatophenyl)porphyrin J-aggregates
Author: El Hachemi, Zoubir
Arteaga Barriel, Oriol
Canillas i Biosca, Adolf
Crusats i Aliguer, Joaquim
Escudero Rodríguez, Carlos
Kuroda, Reiko
Harada, Takunori
Rosa Expósito, Mònica
Ribó i Trujillo, Josep M.
Keywords: Porfirines
Issue Date: 18-Jul-2008
Publisher: Wiley-VCH
Abstract: 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.
Note: Versió postprint del document publicat a:
It is part of: Chemistry-A European Journal, 2008, vol. 14, num. 21, p. 6438-6443
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ISSN: 0947-6539
Appears in Collections:Articles publicats en revistes (Física Aplicada)
Articles publicats en revistes (Química Inorgànica i Orgànica)

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