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Proceedings Paper

Symmetry breaking and birth of chirality in molecular film at the air/water interface: an approach with nonlinear optics
Author(s): A. Bruyère; E. Benichou; L. Guy; A. Bensalah-Ledoux; S. Guy; P. F. Brevet
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Paper Abstract

Second Harmonic Generation (SHG) was used to investigate the two enantiomers of a chiral bridged binaphthol derivative 1(+) and 1(-) at the air-water interface under lateral compression in a Langmuir trough. For each enantiomer, surface pressure and SH intensity were measured simultaneously during compression and decompression cycle of the molecular film. S polarized output SHG intensity as a function of the input polarization angle of the fundamental beam demonstrated the supramolecular origin for the chirality. The formation of 1(+) and 1(-) aggregates in the film was deduced from the non-vanishing SHG intensities collected for the 90° input and S output polarization angles.

Paper Details

Date Published: 16 March 2015
PDF: 6 pages
Proc. SPIE 9360, Organic Photonic Materials and Devices XVII, 936014 (16 March 2015); doi: 10.1117/12.2079084
Show Author Affiliations
A. Bruyère, Institut Lumière Matière, CNRS, Univ. Claude Bernard Lyon 1 (France)
E. Benichou, Institut Lumière Matière, CNRS, Univ. Claude Bernard Lyon 1 (France)
L. Guy, Lab. de Chimie, École Normale Supérieure de Lyon (France)
A. Bensalah-Ledoux, Institut Lumière Matière, CNRS, Univ. Claude Bernard Lyon 1 (France)
S. Guy, Institut Lumière Matière, CNRS, Univ. Claude Bernard Lyon 1 (France)
P. F. Brevet, Institut Lumière Matière, CNRS, Univ. Claude Bernard Lyon 1 (France)


Published in SPIE Proceedings Vol. 9360:
Organic Photonic Materials and Devices XVII
Christopher E. Tabor; François Kajzar; Toshikuni Kaino; Yasuhiro Koike, Editor(s)

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