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Direct determination of energy level alignment and charge transport at metal-Alq3 interfaces via ballistic-electron-emission spectroscopy.
Jiang, J S; Pearson, J E; Bader, S D.
Afiliação
  • Jiang JS; Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA. jiang@anl.gov
Phys Rev Lett ; 106(15): 156807, 2011 Apr 15.
Article em En | MEDLINE | ID: mdl-21568598
ABSTRACT
Using ballistic-electron-emission spectroscopy (BEES), we directly determined the energy barrier for electron injection at clean interfaces of Alq(3) with Al and Fe to be 2.1 and 2.2 eV, respectively. We quantitatively modeled the sub-barrier BEES spectra with an accumulated space charge layer, and found that the transport of nonballistic electrons is consistent with random hopping over the injection barrier.
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2011 Tipo de documento: Article
Buscar no Google
Base de dados: MEDLINE Idioma: En Ano de publicação: 2011 Tipo de documento: Article