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van der Veen MA, Valev VK, Verbiest T, et al. In situ orientation-sensitive observation of molecular adsorption on a liquid/zeolite interface by second-harmonic generation. Langmuir. 2009;25(8):4256-61doi: 10.1021/la8039785.
van der Veen, M. A., Valev, V. K., Verbiest, T., & De Vos, D. E. (2009). In situ orientation-sensitive observation of molecular adsorption on a liquid/zeolite interface by second-harmonic generation. Langmuir : the ACS journal of surfaces and colloids, 25(8), 4256-61. https://doi.org/10.1021/la8039785
van der Veen, Monique A, et al. "In situ orientation-sensitive observation of molecular adsorption on a liquid/zeolite interface by second-harmonic generation." Langmuir : the ACS journal of surfaces and colloids vol. 25,8 (2009): 4256-61. doi: https://doi.org/10.1021/la8039785
van der Veen MA, Valev VK, Verbiest T, De Vos DE. In situ orientation-sensitive observation of molecular adsorption on a liquid/zeolite interface by second-harmonic generation. Langmuir. 2009 Apr 21;25(8):4256-61. doi: 10.1021/la8039785. PMID: 19275210.
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Langmuir. 2009 Apr 21;25(8):4256-61. doi: 10.1021/la8039785.

In situ orientation-sensitive observation of molecular adsorption on a liquid/zeolite interface by second-harmonic generation.

Langmuir : the ACS journal of surfaces and colloids

Monique A van der Veen, Ventsislav K Valev, Thierry Verbiest, Dirk E De Vos

Affiliations

  1. Center for Surface Chemistry and Catalysis, Kasteelpark 23, Box 2461, K.U. Leuven, Leuven, Belgium. [email protected]

PMID: 19275210 DOI: 10.1021/la8039785

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.

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