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Published April 5, 1991 | public
Journal Article

Approaches for Optimizing the First Electronic Hyperpolarizability of Conjugated Organic Molecules

Abstract

A two-state, four-orbital, independent electron analysis of the first optical molecular hyperpolarizability, β, leads to the prediction that |β| maximizes at a combination of donor and acceptor strengths for a given conjugated bridge. Molecular design strategies that focus on the energetic manipulations of the bridge states are proposed for the optimization of β. The limitations of molecular classes based on common bridge structures are highlighted and more promising candidates are described. Experimental results supporting the validity of this approach are presented.

Additional Information

© 1991 American Association for the Advancement of Science. Received 22 October 1990; accepted 17 January 1991. 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 Initative Organization, Innovative Science and Technology Office through an agreement with the National Aeronautics and Space Administration (NASA). Additional support for this work at JPL was provided by the Department of Energy's Catalysis/ Biocatalysis Program, Advanced Industrial Concepts Division, through an agreement with NASA. We thank H. Jones for expert technical assistance and J. W. Perry, B. G. Tiemann, D. A. Dougherty, G. R. Meredith, and J. J. Hopfield for helpful discussions.

Additional details

Created:
August 19, 2023
Modified:
October 19, 2023