Highly transparent and conductive CdO thin films as transparent anodes for organic light-emitting diodes

Yu Yang*, Qinglan Huang, Andrew W. Metz, Sliu Jin, Jun Ni, Lian Wang, Tobin J. Marks

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

In this paper, CdO thin films are used for the first time as transparent anodes for organic light-emitting diodes (OLEDs). Highly conductive and transparent CdO thin films have been grown on glass and on single-crystal MgO(100) by low pressure metal-organic chemical vapor deposition (MOCVD) at 400°C, and were implemented in small-molecule OLED fabrication. Device response and applications potential have been investigated and compared with those of commercial ITO-based control devices. It is found that as-deposited CdO thin films are capable of injecting holes into such devices, rendering them promising anode materials for OLEDs. A maximum luminance of 32,000 cd/m 2 and an external forward quantum efficiency of 1.4 %, with a turn-on voltage of 3.2 V are achieved on MgO(100)/CdO-based devices.

Original languageEnglish (US)
Title of host publicationOrganic Thin-Film Electronics
Pages335-340
Number of pages6
StatePublished - 2005
Event2005 MRS Spring Meeting - San Francisco, CA, United States
Duration: Mar 28 2005Apr 1 2005

Publication series

NameMaterials Research Society Symposium Proceedings
Volume871
ISSN (Print)0272-9172

Other

Other2005 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA
Period3/28/054/1/05

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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