Hole transport in poly(p-phenylene vinylene)-based light-emitting diodes revisited

Cristina Tanase; Paul W.M. Blom; Dago M. de Leeuw

doi:10.1117/12.559433

10 November 2004 Hole transport in poly(p-phenylene vinylene)-based light-emitting diodes revisited

Cristina Tanase, Paul W.M. Blom, Dago M. de Leeuw

Proceedings Volume 5519, Organic Light-Emitting Materials and Devices VIII; (2004) https://doi.org/10.1117/12.559433
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

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.

Citation Download Citation

Cristina Tanase, Paul W.M. Blom, and Dago M. de Leeuw "Hole transport in poly(p-phenylene vinylene)-based light-emitting diodes revisited", Proc. SPIE 5519, Organic Light-Emitting Materials and Devices VIII, (10 November 2004); https://doi.org/10.1117/12.559433

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