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Proceedings Paper

Charge injection in organic light emitting diodes governed by interfacial states
Author(s): Juan Bisquert; Germà Garcia-Belmonte; José M. Montero; Henk J. Bolink
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Paper Abstract

Charge injection in organic light emitting diodes (OLEDs) is studied by impedance spectroscopy on a solution processable polymer based OLED (PLED) using different metallic cathodes. A negative capacitance is observed in organic light-emitting diodes (OLEDs) at low frequencies which can be explained using a detailed kinetic model based on sequential injection through surface states at the metal/organic interface. In this paper the methodology used to derive this model and its application to experimental data is presented.

Paper Details

Date Published: 20 April 2006
PDF: 11 pages
Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 619210 (20 April 2006); doi: 10.1117/12.661454
Show Author Affiliations
Juan Bisquert, Univ. Jaume I (Spain)
Germà Garcia-Belmonte, Univ. Jaume I (Spain)
José M. Montero, Univ. Jaume I (Spain)
Henk J. Bolink, Univ. de València (Spain)

Published in SPIE Proceedings Vol. 6192:
Organic Optoelectronics and Photonics II
Paul L. Heremans; Michele Muccini; Eric A. Meulenkamp, Editor(s)

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