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Systematic Modification of Indium Tin Oxide to Enhance Diode Device Behavior

Published online by Cambridge University Press:  01 February 2011

Jing Guo
Affiliation:
Department of Chemistry, Princeton University, Princeton, NJ 08544-1009
Norbert Koch
Affiliation:
Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany
Jeffrey Schwartz
Affiliation:
Department of Chemistry, Princeton University, Princeton, NJ 08544-1009
Steven L. Bernasek
Affiliation:
Department of Chemistry, Princeton University, Princeton, NJ 08544-1009
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Abstract

Monolayers of tin complexes of phenoxide ligands spanning a range of dipole moments were prepared on the surface of ITO via simple metathesis reactions. They were characterized by quartz crystal microgravimetry (QCM) and a Kelvin probe. A nearly linear relationship was found between the measured ITO work functions and dipoles of the surface complexes. Measurements of current densities of diode devices built on surface modified ITO anodes were made, and a correlation was found between the total surface dipole per unit area and these current densities. Simple OLED devices were also constructed using these modified anodes.

Type
Research Article
Copyright
Copyright © Materials Research Society 2005

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