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Admittance Spectroscopy on Polymer Light-Emitting Diodes

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Abstract

From admittance spectroscopy measurements on poly(p-phenylene vinylene) based light-emitting diodes various relaxation processes can be observed. At low bias inductive contributions due to the transit of charge carriers dominate, at high bias capacitive contributions as a result of charge redistribution appears. These processes reveal a transition from space-charge limited to recombination limited behavior, as is also indicated by the current-voltage characteristics.

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Authors and Affiliations

  1. Materials Science Centre, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands

    P. W. M. Blom

  2. Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA, Leiden, The Netherlands

    H. C. F. Martens & H. B. Brom

  3. Philips Research Laboratories, Prof. Holstlaan 4, 5656 AA, Eindhoven, The Netherlands

    J. N. Huiberts

Authors
  1. P. W. M. Blom
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  2. H. C. F. Martens
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  3. H. B. Brom
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  4. J. N. Huiberts
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Blom, P.W.M., Martens, H.C.F., Brom, H.B. et al. Admittance Spectroscopy on Polymer Light-Emitting Diodes. MRS Online Proceedings Library 665, 33 (2000). https://doi.org/10.1557/PROC-665-C3.3

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  • DOI: https://doi.org/10.1557/PROC-665-C3.3

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