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

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)5638-5645
Number of pages8
JournalJournal of Physical Chemistry C
Volume112
Issue number14
DOIs
Publication statusPublished - 10 Apr 2008

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