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Poly(Binaphthalenevinylene-alt-Phenylenevinylene) Derivatives: Novel Luminescent Polymers for Light-Emitting Devices

Published online by Cambridge University Press:  21 March 2011

Lixin Zheng ,
Xuezhong Jiang ,
Michelle S. Liu  and
Alex K-Y. Jen
Lixin Zheng
Affiliation:
Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, [email protected].
Xuezhong Jiang
Affiliation:
Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, [email protected].
Michelle S. Liu
Affiliation:
Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, [email protected].
Alex K-Y. Jen
Affiliation:
Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, [email protected].
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Abstract

Novel conjugated light-emitting polymers were synthesized via a Wittig-Horner condensation reaction between a binaphthyl dicarbaldehyde and a series of electron-rich or electron-deficient aryl diphosphonates. After comparing these materials with the model compound, 4c, it was revealed that the introduction of a twisted, non-coplanar binaphthyl structure provided an effective approach for tailoring the spectral characteristics of the polymers and improving their solubility and thermal stability (glass transition temperature, Tg, 200°C). Furthermore, the band structures of the polymers could be fine-tuned by changing the electronic properties of the bridging aromatic units. The electroluninescence (EL) and device characteristics were also reported in this paper.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 598: Symposium BB – Electrical, Optical, & Magenetic Properties...V , 1999 , BB2.2
Copyright
Copyright © Materials Research Society 1999

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