Investigation on the second-order nonlinear optical responses in the keto-enol equilibrium of anil derivatives

Aurélie Plaquet, Maxime Guillaume, Benoît Champagne, Léa Rougier, Fabien Mançois, Vincent Rodriguez, Jean Luc Pozzo, Laurent Ducasse, Frédéric Castet

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Résumé

This paper addresses the linear and second-order nonlinear optical properties of two anil derivatives and in particular their variations upon switching between the enol-imine and keto-amine forms. Quantum chemical evaluations of the first hyperpolarizabilities, accounting for both solvent and electron correlation effects, are compared with hyper-Rayleigh scattering and electric field-induced second harmonic generation measurements. For both compounds, the E/K first hyperpolarizability ratios are larger than 2, demonstrating that the enol forms present the largest responses but also that the switching is associated with a substantial β contrast.

langue originaleAnglais
Pages (de - à)5638-5645
Nombre de pages8
journalJournal of Physical Chemistry C
Volume112
Numéro de publication14
Les DOIs
Etat de la publicationPublié - 10 avr. 2008

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