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Fused, Three-Ring Donor-Acceptor Molecules as Potential Materials for Efficient Second Harmonic Generation

Published online by Cambridge University Press:  25 February 2011

Malcolm R. McLean ,
Mamoun Badr ,
Larry R. Dalton ,
Robert L. S. Devine  and
William H. Steier
Malcolm R. McLean
Affiliation:
Department of Chemistry
Mamoun Badr
Affiliation:
Department of Chemistry
Larry R. Dalton
Affiliation:
Department of Chemistry
Robert L. S. Devine
Affiliation:
Department of Electrical Engineering, University of Southern California Los Angoles, CA 90089–1062
William H. Steier
Affiliation:
Department of Electrical Engineering, University of Southern California Los Angoles, CA 90089–1062
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Abstract

A series of fused three-ring compounds have been synthesized and characterized for their possible use as organic crystals for second-harmonic generation. Polymer films doped with these compounds were aligned via corona poling and their second order non-linear optical properties compared with layers doped with stilbene like molecules. Values of ¼β0 have been obtained and the effects of different heteroatoms and substituents on λ max and on ¼β0 were examined. An X-ray diffraction crystal structure on one member of the series, 1,2,4-Trichloro-8-nitro-phenoxazin-3-one (Compound 1), revealed a centrosymmetric crystal habit in a P21/n space group, with a = 9.829(3), b = 8.300(2) and c = 15.542(4) Å. Final R(F) = 0.0939 for 754 reflections where I σ; 3σ(I).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 173: Symposium Q – Advanced Organic Solid State Materials , 1989 , 563
Copyright
Copyright © Materials Research Society 1990

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References

REFERENCES

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[4]. McLean, M.R., Badr, M., Feng, J. and Dalton, L.R., manuscript in preparation.Google Scholar
[5]. Devine, R.L.S., Steier, W.H., McLean, M.R., Badr, M. and Dalton, L.R., manuscript in preparation.Google Scholar