Tiemann, Bruce G. and Cheng, Lap-Tak and Marder, Seth R. (1993) The Effect of varying Ground-state Aromaticity on the First Molecular Electronic Hyperpolarizabilites of Organic Donor-Acceptor Molecules. Journal of the Chemical Society. Chemical Communications (9). pp. 735-737. ISSN 0022-4936 http://resolver.caltech.edu/CaltechAUTHORS:20120307-154447658
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A series of compounds of the form 4-dimethylaminophenyl–polyene–acceptor, where the polyene ranges from nothing to all-trans-1,3,5-hexatriene and the acceptor is 2-nitrovinyl, formyl, or 2,2-dicyanovinyl has been prepared and their β values measured by solution electric-field-induced second-harmonic generation; these molecules, which lose only one aromatic resonance upon charge-transfer excitation, show enhanced β compared to bi-aromatic molecules with the same substitution and total conjugation length, such as 4-dimethylamino-4′-nitrostilbene (DANS), a well-known benchmark for high β organic molecules.
|Additional Information:||© 1993 Royal Society of Chemistry. Received, 27th October 1992; Com. 2/05739E. The work in this paper was performed, in part, by the Center for Space Microelectronics Technology, Jet Propulsion Laboratory (JPL), California Institute of Technology and was sponsored by the Strategic Defense Initiative Organization, Innovative Science and Technology Office and The Defense Advanced Research Projects Agency through grant No. 91-NC-146 administered by the Air Force Office of Scientific Research through agreements with the National Aeronautics and Space Administration. Support from the National Science Foundation (Grant CHE-9106689) is also gratefully acknowledged.|
|Official Citation:||The effect of varying ground-state aromaticity on the first molecular electronic hyperpolarizabilites of organic donor–acceptor molecules Bruce G. Tiemann, Lap-Tak Cheng and Seth R. Marder, J. Chem. Soc., Chem. Commun., 1993, 735 DOI: 10.1039/C39930000735|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||12 Mar 2012 20:32|
|Last Modified:||26 Dec 2012 14:55|
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