Characterization of the material and electrical properties depending on the Mg:Ag ratio as a cathode for TEOLED

Dong Woon Lee, Eou Sik Cho, Yongmin Jeon, Sang Jik Kwon

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

In this study, Mg:Ag mixed alloy films were comprehensively analyzed as a potential transparent cathode, depending on the deposition ratio of Mg:Ag atoms. It was determined that the work function, refractive index, and film formation characteristics varied depending on the deposition ratio of Mg:Ag, and affected electro-optical characteristics such as transmittance and sheet resistance. In addition, the applicability of the proposed transparent cathode for top emitting organic light-emitting diodes (TEOLEDs) was analyzed by comprehensively considering the TEOLED performance in relation to the Mg:Ag deposition ratio. The TEOLED performance was optimized by adjusting the Mg:Ag transmittance, sheet resistance and appropriate work function, and the emission spectrum could be controlled by localized surface plasmon resonance (LSPR) and cavity mode coupling effect.

Original languageEnglish
Article number127742
JournalMaterials Chemistry and Physics
Volume303
DOIs
Publication statusPublished - 15 Jul 2023

Bibliographical note

Publisher Copyright:
© 2023 Elsevier B.V.

Keywords

  • Cathode
  • Mg:Ag
  • TEOLED
  • Transparent electrode
  • Work function

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