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Title: In Situ Orientation-Sensitive Observation of Molecular Adsorption on a Liquid/Zeolite Interface by Second-Harmonic Generation
Authors: Van der Veen, Monique ×
Valev, Ventsislav
Verbiest, Thierry
De Vos, Dirk #
Issue Date: Apr-2009
Publisher: American Chemical Society
Series Title: Langmuir vol:25 issue:8 pages:4256-4261
Abstract: The inherently surface-specific technique of second-harmonic generation was employed to probe the adsorption of an organic molecule, a hemicyanine dye, on b-oriented silicalite-1 films in situ. Measurements were performed in a purpose-built cell for solution experiments. By measuring at two different polarization combinations of the fundamental and second-harmonic light, the orientation of the adsorbed molecules was measured continuously. It has been observed that the adsorbed molecules gradually align themselves with the straight pores of the zeolite crystallites, thus adsorbing into the pores.
ISSN: 0743-7463
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Surface Chemistry and Catalysis
Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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