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Design of New Copolymers for Photonics Applications: Incorporation of Nlo-Active Chromophores with Well-Defined Conjugation Lengths

Published online by Cambridge University Press:  10 February 2011

Charles W. Spangler  and
Mingqian He
Charles W. Spangler
Affiliation:
Department of Chemistry, Northern Illinois University, DeKalb, IL 60115-2862
Mingqian He
Affiliation:
Department of Chemistry, Northern Illinois University, DeKalb, IL 60115-2862
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Abstract

Electroactive polymers such as poly [p-phenylene vinylene] (PPV) and poly [2,5-thienylene vinylene] (PTV) have been shown to yield highly conductive materials upon oxidative doping,1 and to display enhanced third order nonlinear optical response.2 Optical absorption spectra for either neutral or doped polymers, however, are quite broad, extending well into the visible for the neutral polymer and into the near infrared (NIR) for the doped polymers, with little evident fine structure. For certain nonlinear optical (NLO) applications, this can lead to undesirable absorption losses and resonance phenomena. We would like to describe how copolymers incorporating oligomeric dithienylpolyene segments may be designed so as to give some degree of control over the polymer absorption characteristics in either neutral or oxidized form.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 413: Symposium W – Electrical, Optical, and Magnetic Properties of Organic Solid State Materials III , 1995 , 221
Copyright
Copyright © Materials Research Society 1996

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References

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