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Proceedings Paper

Substituent effects in the design of new organic NLO materials
Author(s): Charles W. Spangler; Pei-Kang Liu; Tracy Ann Kelleher; Eric G. Nickel
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Paper 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.

Paper Details

Date Published: 1 April 1992
PDF: 9 pages
Proc. SPIE 1626, Nonlinear Optics III, (1 April 1992); doi: 10.1117/12.58114
Show Author Affiliations
Charles W. Spangler, Northern Illinois Univ. (United States)
Pei-Kang Liu, Northern Illinois Univ. (United States)
Tracy Ann Kelleher, Northern Illinois Univ. (United States)
Eric G. Nickel, Northern Illinois Univ. (United States)

Published in SPIE Proceedings Vol. 1626:
Nonlinear Optics III
Robert A. Fisher; John F. Reintjes, Editor(s)

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