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Proceedings Paper

Benzathiazoliums and pyridiniums for second-order nonlinear optics
Author(s): Edith Franz; Elizabeth C. Harper; Benjamin J. Coe; Pavol Zahradnik; Koen Clays; Inge Asselberghs
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Paper Abstract

A variety of pyridinium and benzothiazolium-substituted conjugated donor-π-acceptor dipoles are studied by hyper- Rayleigh scattering (HRS) in solution. We have investigated their potential as strong electron acceptor moiety and a complete series has been synthesized and characterized. An elongation of the conjugated π-system for each molecule is made and characterized to see the influence of the elongation of the conjugated π-system. A leveling off of the hyperpolarizability β is already observed after three subsequent double bonds.

Paper Details

Date Published: 16 April 2008
PDF: 11 pages
Proc. SPIE 6999, Organic Optoelectronics and Photonics III, 699923 (16 April 2008); doi: 10.1117/12.781194
Show Author Affiliations
Edith Franz, Katholieke Univ. Leuven (Belgium)
Elizabeth C. Harper, Univ. of Manchester (United Kingdom)
Benjamin J. Coe, Univ. of Manchester (United Kingdom)
Pavol Zahradnik, Comenius Univ. Bratislava (Slovak Republic)
Koen Clays, Katholieke Univ. Leuven (Belgium)
Inge Asselberghs, Katholieke Univ. Leuven (Belgium)

Published in SPIE Proceedings Vol. 6999:
Organic Optoelectronics and Photonics III
Paul L. Heremans; Michele Muccini; Eric A. Meulenkamp, Editor(s)

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