Substituent effects in the design of new organic NLO materials

Charles W. Spangler; Pei-Kang Liu; Tracy Ann Kelleher; Eric G. Nickel

doi:10.1117/12.58114

1 April 1992 Substituent effects in the design of new organic NLO materials

Charles W. Spangler, Pei-Kang Liu, Tracy Ann Kelleher, Eric G. Nickel

Proceedings Volume 1626, Nonlinear Optics III; (1992) https://doi.org/10.1117/12.58114
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Several approaches have been suggested during the past few years for increasing third order nonlinearity in organic compounds. In general, these have focused on manipulation of the effective conjugation length of the pi-electron framework to maximize orbital overlap. It has only recently become apparent that substituent effects, which affect the overall electron density distribution, may be an extremely effective way of enhancing nonlinearity. In this study we review known substituent effects on nonlinearity, and suggest how donor-donor, acceptor- acceptor, and donor-acceptor interaction can be utilized in the design of molecules and polymers with enhanced nonlinearity.

Citation Download Citation

Charles W. Spangler, Pei-Kang Liu, Tracy Ann Kelleher, and Eric G. Nickel "Substituent effects in the design of new organic NLO materials", Proc. SPIE 1626, Nonlinear Optics III, (1 April 1992); https://doi.org/10.1117/12.58114

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