Fabrication and property of conductive substrate for flexible organic light-emitting devices

Na Na Wang, Jun Sheng Yu, Hui Lin, Chun Hua Huang, Ya Dong Jiang

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Indium-tin oxide (ITO) film on flexible polyethylene terephthalate (PET) substrates were prepared by DC magnetron sputtering deposition method. The effects of substrate temperature, sputtering power and pressure on ITO film properties were investigated. The results shown that ITO films with a low square resistivity of 50 Ω/□ and a high transmittance in visible region over 90% can be achieved at a DC power of 100 W, working pressure of 2.66 × 10-1 Pa and substrate temperature of 50 °C. Using the fabricated flexible ITO substrate as the anode, the organic light-emitting device consisting of PET/ITO/NPB/Alq3/Mg: Ag is fabricated. The obtained FOLEDs have a maximum luminance of 2 834 cd/m2 at 13 V.

Original languageEnglish
Pages (from-to)967-972
Number of pages6
JournalChinese Journal of Luminescence
Volume29
Issue number6
StatePublished - Dec 2008
Externally publishedYes

Keywords

  • DC magnetron spottering
  • Flexible substrate
  • ITO thin films
  • Organic light-emitting devices (OELDs)

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