Molecular organization and phase transition at the air-water interface investigated by second-harmonic generation

Emmanuel Benichou; Aurélie Bruyère; Emilie Forel; Oriane Bonhomme; Pierre-François Brevet

doi:10.1117/12.2079065

16 March 2015 Molecular organization and phase transition at the air-water interface investigated by second-harmonic generation

Emmanuel Benichou, Aurélie Bruyère, Emilie Forel, Oriane Bonhomme, Pierre-François Brevet

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Proceedings Volume 9360, Organic Photonic Materials and Devices XVII; 93600T (2015) https://doi.org/10.1117/12.2079065
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

Second Harmonic Generation (SHG) was employed to study phase transition in molecular films formed at the air/water interface. Studies were performed at biomimetic lipid monolayers by simultaneous surface tension and SHG measurements. Light polarization analysis of the SHG intensities was performed with different lipid interfaces. A comparison between these interfaces provided lipid condensed state-dependent data. An optical signature was observed in the polarization plots for the transition from the Liquid-Expanded (LE) to the Liquid-Condensed (LC) state.

Citation Download Citation

Emmanuel Benichou, Aurélie Bruyère, Emilie Forel, Oriane Bonhomme, and Pierre-François Brevet "Molecular organization and phase transition at the air-water interface investigated by second-harmonic generation", Proc. SPIE 9360, Organic Photonic Materials and Devices XVII, 93600T (16 March 2015); https://doi.org/10.1117/12.2079065

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