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Electronic properties of potassium-doped FePc

Författare:
  • V. Yu. Aristov
  • O. V. Molodtsova
  • V. V. Maslyuk
  • D. V. Vyalikh
  • T. Bredow
  • I. Mertig
  • Alexei Preobrajenski
  • M. Knupfer
Publiceringsår: 2010
Språk: Engelska
Sidor: 1461-1468
Publikation/Tidskrift/Serie: Organic Electronics
Volym: 11
Nummer: 8
Dokumenttyp: Artikel
Förlag: Elsevier

Sammanfattning

The evolution of electronic structure of the organic semiconductor iron-phthalocyanine with potassium doping has been studied by means of photoemission spectroscopy, near-edge X-ray absorption fine structure and density functional theory (DFT) calculations. The DFT study and detailed analysis of the core-level spectra permit us to suggest possible lattice sites for the potassium ions. The data disclosed filling of the lowest unoccupied molecular orbital upon doping and associated changes of the core level absorption spectra. None of the films prepared in our studies showed a finite electronic density of states at the Fermi level. (C) 2010 Elsevier B.V. All rights reserved.

Disputation

Nyckelord

  • Physics and Astronomy
  • Technology and Engineering
  • Electronic structure
  • PES
  • NEXAFS
  • FePc
  • Potassium

Övriga

Published
Yes
  • ISSN: 1566-1199

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