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Excited-state charge transfer dynamics in systems of aromatic adsorbates on TiO2 studied with resonant core techniques

Författare:
  • J Schnadt
  • JN O'Shea
  • L Patthey
  • L Kjeldgaard
  • J Ahlund
  • K Nilson
  • J Schiessling
  • J Krempasky
  • M Shi
  • O Karis
  • Chris Glover
  • H Siegbahn
  • Nils Mårtensson
  • PA Bruhwiler
Publiceringsår: 2003
Språk: Engelska
Sidor: 12462-12472
Publikation/Tidskrift/Serie: Journal of Chemical Physics
Volym: 119
Nummer: 23
Dokumenttyp: Artikel
Förlag: American Institute of Physics

Sammanfattning

Resonant core spectroscopies are applied to a study of the excited electron transfer dynamics on a low-femtosecond time scale in systems of aromatic molecules (isonicotinic acid and bi-isonicotinic acid) adsorbed on a rutile TiO2(110) semiconductor surface. Depending on which adsorbate state is excited, the electron is either localized on the adsorbate in an excitonic effect, or delocalizes rapidly into the substrate in less than 5 fs (3 fs) for isonicotinic acid (bi-isonicotinic acid). The results are obtained by the application of a variant of resonant photoemission spectroscopy. (C) 2003 American Institute of Physics.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

Published
Yes
  • ISSN: 0021-9606

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