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Proceedings Paper

Hole transport in poly(p-phenylene vinylene)-based light-emitting diodes revisited
Author(s): Cristina Tanase; Paul W.M. Blom; Dago M. de Leeuw
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Paper Abstract

Understanding of the charge transport properties is of great importance for the operation and the efficiency of polymer based light-emitting diodes (LEDs). We investigate the charge transport in hole-only diodes based on poly(p-phenylene vinylene) (PPV) as function of temperature T, charge carrier density p and electric field E. At low voltages the hole mobility is independent on the electric field and charge carrier density. At high voltages both the charge-carrier density and electric-field dependence of the mobility have to be taken into account to describe the hole transport in polymer LEDs.

Paper Details

Date Published: 10 November 2004
PDF: 5 pages
Proc. SPIE 5519, Organic Light-Emitting Materials and Devices VIII, (10 November 2004); doi: 10.1117/12.559433
Show Author Affiliations
Cristina Tanase, Univ. of Groningen (Netherlands)
Paul W.M. Blom, Univ. of Groningen (Netherlands)
Dago M. de Leeuw, Philips Research Labs. (Netherlands)


Published in SPIE Proceedings Vol. 5519:
Organic Light-Emitting Materials and Devices VIII
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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