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Electronic properties of potassium-doped FePc

Author

  • V. Yu. Aristov
  • O. V. Molodtsova
  • V. V. Maslyuk
  • D. V. Vyalikh
  • T. Bredow
  • I. Mertig
  • Alexei Preobrajenski
  • M. Knupfer

Summary, in English

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.

Department/s

Publishing year

2010

Language

English

Pages

1461-1468

Publication/Series

Organic Electronics

Volume

11

Issue

8

Document type

Journal article

Publisher

Elsevier

Topic

  • Physical Sciences
  • Natural Sciences

Keywords

  • Electronic structure
  • PES
  • NEXAFS
  • FePc
  • Potassium

Status

Published

ISBN/ISSN/Other

  • ISSN: 1566-1199