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Electronic structure of a vapor-deposited metal-free phthalocyanine thin film

In English

Författare

  • Y Alfredsson
  • B Brena
  • K Nilson
  • J Ahlund
  • L Kjeldgaard
  • M Nyberg
  • Y Luo
  • Nils Mårtensson
  • Anders Sandell
  • C Puglia
  • H Siegbahn
Visa allt

Summary, in English

The electronic structure of a vapor-sublimated thin film of metal-free phthalocyanine (H2Pc) is studied experimentally and theoretically. An atom-specific picture of the occupied and unoccupied electronic states is obtained using x-ray-absorption spectroscopy (XAS), core- and valence-level x-ray photoelectron spectroscopy (XPS), and density-functional theory (DFT) calculations. The DFT calculations allow for an identification of the contributions from individual nitrogen atoms to the experimental N1s XAS and valence XPS spectra. This comprehensive study of metal-free phthalocyanine is relevant for the application of such molecules in molecular electronics and provides a solid foundation for identifying modifications in the electronic structure induced by various substituent groups.

Publiceringsår

2005

Språk

Engelska

Publikation/Tidskrift/Serie

Journal of Chemical Physics

Volym

122

Issue

21

Dokumenttyp

Artikel i tidskrift

Förlag

American Institute of Physics (AIP)

Ämne

  • Natural Sciences
  • Physical Sciences

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0021-9606