Conjugated organic molecules on metal versus polymer electrodes: Demonstration of a key energy level alignment mechanism

N. Koch; Antoine Kahn; J. Ghijsen; J. J. Pireaux; Jeffrey Schwartz; R. L. Johnson; A. Elschner

doi:10.1063/1.1532102

Conjugated organic molecules on metal versus polymer electrodes: Demonstration of a key energy level alignment mechanism

N. Koch, Antoine Kahn, J. Ghijsen, J. J. Pireaux, Jeffrey Schwartz, R. L. Johnson, A. Elschner

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Abstract

A study was performed on the conjugated organic (COM) molecules on metal versus polymer electrodes. A key energy level alignment mechanism was demonstrated between three electroactive COM and two high work function electrodes using ultraviolet photoemission spectroscopy. It was found that the hole injection barrier and the interfacial dipole barrier were significantly smaller for all the interfaces formed on the polymer as compared to the metal, inspite of the fact that both electrode surfaces had similar work functions.

Original language	English (US)
Pages (from-to)	70-72
Number of pages	3
Journal	Applied Physics Letters
Volume	82
Issue number	1
DOIs	https://doi.org/10.1063/1.1532102
State	Published - Jan 6 2003

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1532102

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abstract = "A study was performed on the conjugated organic (COM) molecules on metal versus polymer electrodes. A key energy level alignment mechanism was demonstrated between three electroactive COM and two high work function electrodes using ultraviolet photoemission spectroscopy. It was found that the hole injection barrier and the interfacial dipole barrier were significantly smaller for all the interfaces formed on the polymer as compared to the metal, inspite of the fact that both electrode surfaces had similar work functions.",

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AU - Schwartz, Jeffrey

AU - Johnson, R. L.

AU - Elschner, A.

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AB - A study was performed on the conjugated organic (COM) molecules on metal versus polymer electrodes. A key energy level alignment mechanism was demonstrated between three electroactive COM and two high work function electrodes using ultraviolet photoemission spectroscopy. It was found that the hole injection barrier and the interfacial dipole barrier were significantly smaller for all the interfaces formed on the polymer as compared to the metal, inspite of the fact that both electrode surfaces had similar work functions.

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Conjugated organic molecules on metal versus polymer electrodes: Demonstration of a key energy level alignment mechanism

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