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Characterization of 12CaO· 7Al2O3 doped indium tin oxide films for transparent cathode in top-emission organic light-emitting diodes

  • Chul Ho Jung
  • , In Rok Hwang
  • , Bae Ho Park
  • , Dae Ho Yoon
  • Sungkyunkwan University
  • National Institute for Materials Science Tsukuba
  • Konkuk University

Research output: Contribution to journalArticlepeer-review

Abstract

12CaO· 7Al2O3 insulator (C12A7) doped indium tin oxide (ITO) (ITO:C12A7) films were fabricated using a radio frequency magnetron co-sputtering system with ITO and C12A7 targets. The qualitative and quantitative properties of ITO:C12A7 films, as a function of C12A7 concentration, were examined via X-ray photoemission spectroscopy and synchrotron X-ray scattering as well as by conducting atomic force microscopy. The work function of ITO:C12A7 (1.3%) films of approximately 2.8 eV obtained by high resolution photoemission spectroscopy measurements make them a reasonable cathode for top-emission organic light-emitting diodes.

Original languageEnglish
Pages (from-to)7556-7560
Number of pages5
JournalJournal of Nanoscience and Nanotechnology
Volume13
Issue number11
DOIs
StatePublished - Nov 2013

Keywords

  • Dopant
  • Inorganic compounds
  • Transparent conducting oxides

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