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New Luminescent PPV Derivatives for Led Applications

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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.

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Acknowledgement

We thank the EPSRC (U.K.), the Cambridge Commonwealth Trust and the Committee of Vice Chancellors and Principals (ORS studentship to BSC), the Royal Society (University Research Fellowship to FC), the Commission of the European Community (support under the TMR network s'SELOAs') and Cambridge Display Technology for financial support.

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Authors and Affiliations

  1. Melville Laboratory for Polymer Synthesis, Department of Chemistry, University of Cambridge, Pembroke Street, Cambridge, CB2 3RA, UK

    B.S. Chuah, A. B. Holmes & S. C. Moratti

  2. Cavendish Laboratory, Department of Physics, University of Cambridge, Madingley Road, CB3 OHE, UK

    F. Cacialli, R. H. Friend & E. A. Marseglia

  3. Department of Chemistry, University of Cambridge, University Chemical Laboratory, Lensfield Road, Cambridge, CB2 lEW, UK

    J. E. Davies & N. Feeder

  4. Centre de Recherche en Electronique et Photonique Moléculaires, Université de Mons-Hainaut, Place du Parc, 20, B-7000, Mons, Belgium

    J.-L. Brédas & D.A. dos Santos

Authors
  1. B.S. Chuah
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  2. F. Cacialli
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  3. J. E. Davies
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  4. N. Feeder
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  5. R. H. Friend
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  6. A. B. Holmes
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  7. E. A. Marseglia
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  8. S. C. Moratti
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  9. J.-L. Brédas
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  10. D.A. dos Santos
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Chuah, B., Cacialli, F., Davies, J.E. et al. New Luminescent PPV Derivatives for Led Applications. MRS Online Proceedings Library 488, 87–92 (1997). https://doi.org/10.1557/PROC-488-87

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  • DOI: https://doi.org/10.1557/PROC-488-87

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