Charge injection versus space-charge-limited current in organic light-emitting diodes

Arkhipov, V.I.; von Seggern, H.; Emelianova, E.V.
December 2003
Applied Physics Letters;12/15/2003, Vol. 83 Issue 24, p5074
Academic Journal
A unified model of hopping carrier injection and space-charge-limited current (SCLC) in disordered organic materials is formulated. It is shown that, contrary to what one would intuitively expect, a metal contact with the injection barrier as high as 1 eV can be still an Ohmic contact at low temperatures providing conditions for the hopping SCLC. © 2003 American Institute of Physics.


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