Energy level diagrams of C60/pentacene/Au and pentacene/C 60/Au

S. J. Kang, Y. Yi, C. Y. Kim, S. W. Cho, M. Noh, K. Jeong, C. N. Whang

Research output: Contribution to journalArticle

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Abstract

The electronic structures of pentacene and C60 interfaces were investigated using ultraviolet photoelectron spectroscopy (UPS) and X-ray photoelectron spectroscopy (XPS). The magnitudes of measured interface dipole were 0.11 eV and 0.07 eV for the C60 deposited on pentacene (C 60/pentacene) and the pentacene deposited on C60 (pentacene/C60), respectively. The obtained C 1s spectra on these samples show that no significant chemical bonds at the interface. The offsets of the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) at the C60-pentacene interface were 1.29 eV and 0.89 eV for C60/pentacene/Au, while for pentacene/C 60/Au they were 1.5 eV and 1.1 eV. In this paper we present the complete energy level diagrams of C60/pentacene/Au and pentacene/C60/Au.

Original languageEnglish
Pages (from-to)32-37
Number of pages6
JournalSynthetic Metals
Volume156
Issue number1
DOIs
Publication statusPublished - 2006 Jan 5

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Molecular orbitals
Electron energy levels
energy levels
diagrams
Ultraviolet photoelectron spectroscopy
Chemical bonds
Electronic structure
molecular orbitals
X ray photoelectron spectroscopy
photoelectron spectroscopy
ultraviolet spectroscopy
chemical bonds
dipoles
electronic structure
pentacene
x rays

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Kang, S. J. ; Yi, Y. ; Kim, C. Y. ; Cho, S. W. ; Noh, M. ; Jeong, K. ; Whang, C. N. / Energy level diagrams of C60/pentacene/Au and pentacene/C 60/Au. In: Synthetic Metals. 2006 ; Vol. 156, No. 1. pp. 32-37.
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Energy level diagrams of C60/pentacene/Au and pentacene/C 60/Au. / Kang, S. J.; Yi, Y.; Kim, C. Y.; Cho, S. W.; Noh, M.; Jeong, K.; Whang, C. N.

In: Synthetic Metals, Vol. 156, No. 1, 05.01.2006, p. 32-37.

Research output: Contribution to journalArticle

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T1 - Energy level diagrams of C60/pentacene/Au and pentacene/C 60/Au

AU - Kang, S. J.

AU - Yi, Y.

AU - Kim, C. Y.

AU - Cho, S. W.

AU - Noh, M.

AU - Jeong, K.

AU - Whang, C. N.

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N2 - The electronic structures of pentacene and C60 interfaces were investigated using ultraviolet photoelectron spectroscopy (UPS) and X-ray photoelectron spectroscopy (XPS). The magnitudes of measured interface dipole were 0.11 eV and 0.07 eV for the C60 deposited on pentacene (C 60/pentacene) and the pentacene deposited on C60 (pentacene/C60), respectively. The obtained C 1s spectra on these samples show that no significant chemical bonds at the interface. The offsets of the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) at the C60-pentacene interface were 1.29 eV and 0.89 eV for C60/pentacene/Au, while for pentacene/C 60/Au they were 1.5 eV and 1.1 eV. In this paper we present the complete energy level diagrams of C60/pentacene/Au and pentacene/C60/Au.

AB - The electronic structures of pentacene and C60 interfaces were investigated using ultraviolet photoelectron spectroscopy (UPS) and X-ray photoelectron spectroscopy (XPS). The magnitudes of measured interface dipole were 0.11 eV and 0.07 eV for the C60 deposited on pentacene (C 60/pentacene) and the pentacene deposited on C60 (pentacene/C60), respectively. The obtained C 1s spectra on these samples show that no significant chemical bonds at the interface. The offsets of the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO) at the C60-pentacene interface were 1.29 eV and 0.89 eV for C60/pentacene/Au, while for pentacene/C 60/Au they were 1.5 eV and 1.1 eV. In this paper we present the complete energy level diagrams of C60/pentacene/Au and pentacene/C60/Au.

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