Highly transparent and conductive double-layer oxide thin films as anodes for organic light-emitting diodes

Yu Yang, Lian Wang, He Yan, Shu Jin, Tobin J Marks, Shuyou Li

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Double-layer transparent conducting oxide thin film structures containing In-doped CdO (CIO) and Sn-doped In 2O 3 (ITO) layers were grown on glass by metal-organic chemical vapor deposition and ion-assisted deposition (IAD), respectively, and used as anodes for polymer light-emitting diodes (PLEDs). These films have a very low overall In content of 16 at.%. For 180-nm-thick CIO/ITO films, the sheet resistance is 5.6 Ω/, and the average optical transmittance is 87.1% in the 400-700 nm region. The overall figure of merit (Φ=T 10/R sheet) of the double-layer CIO/ITO films is significantly greater than that of single-layer CIO, IAD-ITO, and commercial ITO films. CIO/ITO-based PLEDs exhibit comparable or superior device performance versus ITO-based control devices. CIO/ITO materials have a much lower sheet resistance than ITO, rendering them promising low In content electrode materials for large-area optoelectronic devices.

Original languageEnglish
Article number051116
JournalApplied Physics Letters
Volume89
Issue number5
DOIs
Publication statusPublished - 2006

Fingerprint

ITO (semiconductors)
anodes
light emitting diodes
oxides
thin films
control equipment
polymers
electrode materials
optoelectronic devices
figure of merit
metalorganic chemical vapor deposition
transmittance
ions
conduction
glass

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Highly transparent and conductive double-layer oxide thin films as anodes for organic light-emitting diodes. / Yang, Yu; Wang, Lian; Yan, He; Jin, Shu; Marks, Tobin J; Li, Shuyou.

In: Applied Physics Letters, Vol. 89, No. 5, 051116, 2006.

Research output: Contribution to journalArticle

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