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Enhanced Second-Order Optical Nonlinearity of Dye Molecules Adsorbed onto Laponite Particles

Published online by Cambridge University Press:  28 February 2024

Carlo Boutton ,
Martti Kauranen ,
André Persoons ,
Michael P. Keung ,
Katrien Y. Jacobs  and
Robert A. Schoonheydt
Carlo Boutton
Affiliation:
Laboratory of Chemical and Biological Dynamics and Center for Research on Molecular Electronics and Photonics, Katholieke Universiteit Leuven, B-3001 Heverlee, Belgium
Martti Kauranen
Affiliation:
Laboratory of Chemical and Biological Dynamics and Center for Research on Molecular Electronics and Photonics, Katholieke Universiteit Leuven, B-3001 Heverlee, Belgium
André Persoons
Affiliation:
Laboratory of Chemical and Biological Dynamics and Center for Research on Molecular Electronics and Photonics, Katholieke Universiteit Leuven, B-3001 Heverlee, Belgium
Michael P. Keung
Affiliation:
Center for Surface Chemistry and Catalysis, Department of Interphase Chemistry, Katholieke Universiteit Leuven, B-3001 Heverlee, Belgium
Katrien Y. Jacobs
Affiliation:
Center for Surface Chemistry and Catalysis, Department of Interphase Chemistry, Katholieke Universiteit Leuven, B-3001 Heverlee, Belgium
Robert A. Schoonheydt
Affiliation:
Center for Surface Chemistry and Catalysis, Department of Interphase Chemistry, Katholieke Universiteit Leuven, B-3001 Heverlee, Belgium
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Nonlinear-optical investigations of new materials are important for 2 complementary reasons. first, the requirements for materials to be used in device applications that utilize nonlinear interactions are very demanding. New approaches to materials research can yield materials with favorable properties compared to traditional nonlinear materials, as shown recently in several supramolecular systems (Cox et a1. 1990; Stucky and MacDougall 1990; Clays et a1. 1993; Kelderman et a1. 1993; Kauranen et a1. 1995; Lehn 1995). This is particularly true for 2nd-order nonlinear optics that require noncentrosymmetric materials (Prasad and Williams 1991). On the other hand. nonlinear-optical processes can provide new techniques to study the properties of new materials. The nonlinear techniques have the potential of being more sensitive than the existing techniques or providing information that is not accessible at all using the existing techniques (Shen 1984). Here again, 2nd-order processes are particularly important because they provide an extremely sensitive tool to study symmetry properties of materials.

Keywords

Clay-Dye CompositesLaponiteMethylene BlueNonlinear Optics
Type
Research Article
Information
Clays and Clay Minerals , Volume 45 , Issue 3 , June 1997 , pp. 483 - 485
Copyright
Copyright © 1997, The Clay Minerals Society

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