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New Luminescent PPV Derivatives for Led Applications

Published online by Cambridge University Press:  10 February 2011

B.S. Chuah ,
F. Cacialli ,
J. E. Davies ,
N. Feeder ,
R. H. Friend ,
A. B. Holmes ,
E. A. Marseglia ,
S. C. Moratti ,
J.-L. Brédas  and
D.A. dos Santos
B.S. Chuah
Affiliation:
Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Pembroke Street, Cambridge, CB2 3RA U.K.
F. Cacialli
Affiliation:
Cavendish Laboratory, Department of Physics, University of Cambridge, Madingley Road, CB3 OHE U.K.
J. E. Davies
Affiliation:
University Chemical Laboratory, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 lEW, U.K.
N. Feeder
Affiliation:
University Chemical Laboratory, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 lEW, U.K.
R. H. Friend
Affiliation:
Cavendish Laboratory, Department of Physics, University of Cambridge, Madingley Road, CB3 OHE U.K.
A. B. Holmes
Affiliation:
Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Pembroke Street, Cambridge, CB2 3RA U.K.
E. A. Marseglia
Affiliation:
Cavendish Laboratory, Department of Physics, University of Cambridge, Madingley Road, CB3 OHE U.K.
S. C. Moratti
Affiliation:
Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Pembroke Street, Cambridge, CB2 3RA U.K.
J.-L. Brédas
Affiliation:
Centre de Recherche en Electronique et Photonique Moléculaires, Université de Mons-Hainaut, Place du Parc, 20, B-7000 Mons, Belgium
D.A. dos Santos
Affiliation:
Centre de Recherche en Electronique et Photonique Moléculaires, Université de Mons-Hainaut, Place du Parc, 20, B-7000 Mons, Belgium
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Abstract

A new poly(phenylenevinylene) [PPV] derivative 8 with dialkoxy substituents at the 2,3- positions of the phenylene ring of the polymer backbone has been prepared. This exhibited significantly different properties compared with the typical 2,5-dialkoxy substituted PPV derivatives. The polymer is not only significantly blue-shifted in its optical and luminescence properties but also has high photoluminescence (PL) and electroluminescence (EL) efficiencies. Investigation of the model oligomer 11 offers insight into this interesting behavior.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 488: Symposium J – Electrical, Optical & Magnetic Properties of Organic IV , 1997 , 87
Copyright
Copyright © Materials Research Society 1998

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