Repository logo

Infoscience

  • English
  • French
Log In
Logo EPFL, École polytechnique fédérale de Lausanne

Infoscience

  • English
  • French
Log In
  1. Home
  2. Academic and Research Output
  3. Journal articles
  4. Charge transport across organic-organic interfaces in organic light-emitting diodes
 
research article

Charge transport across organic-organic interfaces in organic light-emitting diodes

Houili, H.  
•
Tutis, E.
•
Zuppiroli, L.  
2006
Synthetic Metals

The process of hopping transport across organic heterojunctions is critical to the function of organic light-emitting diodes (OLED) and many other currently developed organic electronic devices. We consider the case of a hole-only or homopolar heterojunction with Gaussian energetic disorder. We cross-compare the results of our previous multiparticle Monte Carlo simulator to results of the pioneering analytic hopping model of Arkhipov et al. [V.I. Arkhipov, E.V. Emelianova, H. Bassler, J. Appl. Phys. 90 (2001) 2352]. This comparison made it possible to point out and correct some shortcomings of the latter model. This includes the new definition of the injection level at the heterojunction, which brings orders of magnitude change to the current with respect to values obtained for previously used injection levels. Further insight, related to the backward-to-forward hopping ratio at the heterojunction, also brings about the order of magnitude correction for the current. We end up with a rather complete and cross-verified analytical description of the charge transport across energetically disordered homopolar heterojunctions. [All rights reserved Elsevier]

  • Details
  • Metrics
Type
research article
DOI
10.1016/j.synthmet.2006.09.011
Web of Science ID

WOS:000242925400016

Author(s)
Houili, H.  
Tutis, E.
Zuppiroli, L.  
Date Issued

2006

Publisher

Elsevier

Published in
Synthetic Metals
Volume

156

Issue

18-20

Article Number

1256

Subjects

charge exchange

•

hopping conduction

•

organic light emitting diodes

•

organic semiconductors

•

charge transport

•

organic-organic interfaces

•

organic light-emitting diodes

•

hopping transport

•

organic heterojunctions

•

magnitude correction

•

homopolar heterojunctions

•

dielectric interface

•

energetic disorder

Note

9319095

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LOMM  
Available on Infoscience
April 3, 2007
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/4284
Logo EPFL, École polytechnique fédérale de Lausanne
  • Contact
  • infoscience@epfl.ch

  • Follow us on Facebook
  • Follow us on Instagram
  • Follow us on LinkedIn
  • Follow us on X
  • Follow us on Youtube
AccessibilityLegal noticePrivacy policyCookie settingsEnd User AgreementGet helpFeedback

Infoscience is a service managed and provided by the Library and IT Services of EPFL. © EPFL, tous droits réservés