Exciplex current mechanism for ambipolar bilayer organic light emitting diodes

Feilong Liu; P. Paul Ruden; Ian H. Campbell; Darryl L. Smith

doi:10.1063/1.3640232

Exciplex current mechanism for ambipolar bilayer organic light emitting diodes

Feilong Liu, P. Paul Ruden, Ian H. Campbell, Darryl L. Smith

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

The effect of exciplex dynamics on the current in a bilayer organic light emitting diode with ambipolar injection is explored. Exciplex formation facilitates intermolecular electron-hole recombination across the interface. We discuss the characteristics of the exciplex recombination current with respect to different energy level alignments, interface recombination rates, and exciplex relaxation lifetimes, using a model device consisting of a C 60/tetracene bilayer.

Original language	English (US)
Article number	123301
Journal	Applied Physics Letters
Volume	99
Issue number	12
DOIs	https://doi.org/10.1063/1.3640232
State	Published - Sep 19 2011

Bibliographical note

Funding Information:
This work was supported in part by a University of Minnesota Graduate School Fellowship. Access to the facilities of the Minnesota Supercomputing Institute is gratefully acknowledged. Work at Los Alamos National Laboratory was supported by DoE Office of Basic Energy Sciences Work Proposal No. 08SPCE973.

Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.

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abstract = "The effect of exciplex dynamics on the current in a bilayer organic light emitting diode with ambipolar injection is explored. Exciplex formation facilitates intermolecular electron-hole recombination across the interface. We discuss the characteristics of the exciplex recombination current with respect to different energy level alignments, interface recombination rates, and exciplex relaxation lifetimes, using a model device consisting of a C 60/tetracene bilayer.",

author = "Feilong Liu and {Paul Ruden}, P. and Campbell, {Ian H.} and Smith, {Darryl L.}",

note = "Funding Information: This work was supported in part by a University of Minnesota Graduate School Fellowship. Access to the facilities of the Minnesota Supercomputing Institute is gratefully acknowledged. Work at Los Alamos National Laboratory was supported by DoE Office of Basic Energy Sciences Work Proposal No. 08SPCE973. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.",

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AU - Paul Ruden, P.

AU - Campbell, Ian H.

AU - Smith, Darryl L.

N1 - Funding Information: This work was supported in part by a University of Minnesota Graduate School Fellowship. Access to the facilities of the Minnesota Supercomputing Institute is gratefully acknowledged. Work at Los Alamos National Laboratory was supported by DoE Office of Basic Energy Sciences Work Proposal No. 08SPCE973. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.

PY - 2011/9/19

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N2 - The effect of exciplex dynamics on the current in a bilayer organic light emitting diode with ambipolar injection is explored. Exciplex formation facilitates intermolecular electron-hole recombination across the interface. We discuss the characteristics of the exciplex recombination current with respect to different energy level alignments, interface recombination rates, and exciplex relaxation lifetimes, using a model device consisting of a C 60/tetracene bilayer.

AB - The effect of exciplex dynamics on the current in a bilayer organic light emitting diode with ambipolar injection is explored. Exciplex formation facilitates intermolecular electron-hole recombination across the interface. We discuss the characteristics of the exciplex recombination current with respect to different energy level alignments, interface recombination rates, and exciplex relaxation lifetimes, using a model device consisting of a C 60/tetracene bilayer.

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Exciplex current mechanism for ambipolar bilayer organic light emitting diodes

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