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Proceedings Paper

Band alignment at electrode-organic interfaces
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Paper Abstract

The band alignment at metal-organic interfaces has been extensively studied; however the electrodes in real devices often consist of metals modified with dielectric buffer layers. We demonstrate that interface dipole theory, originally developed to describe Schottky contacts at metal-semiconductor interfaces, can also accurately describe the injection barriers in real organic electronic devices (i.e, at electrode-organic interface). It is found that theoretically predicted hole injection barriers for various archetype metal-organic and metal-dielectric-organic structures are in excellent agreement with values extracted from experimental measurements.

Paper Details

Date Published: 27 August 2009
PDF: 7 pages
Proc. SPIE 7415, Organic Light Emitting Materials and Devices XIII, 74151U (27 August 2009); doi: 10.1117/12.826671
Show Author Affiliations
M. G. Helander, Univ. of Toronto (Canada)
Z. B. Wang, Univ. of Toronto (Canada)
M. T. Greiner, Univ. of Toronto (Canada)
J. Qiu, Univ. of Toronto (Canada)
Z. H. Lu, Univ. of Toronto (Canada)

Published in SPIE Proceedings Vol. 7415:
Organic Light Emitting Materials and Devices XIII
Franky So; Chihaya Adachi, Editor(s)

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