Electron transit time and reliable mobility measurements from thick film hydroxyquinoline-based organic light-emitting diode

S. C. Tse, H. H. Fong, Shu Kong SO*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

91 Citations (Scopus)

Abstract

Electron mobility of Alq3 was measured by transient electroluminescence experiments using bilayer organic light emitting diodes (OLED). A rectangular voltage pulse was applied to an OLED using a pulse generator. A nitrogen pulsed laser was used to generate photocarriers and a direct current power supply was used to detect the electron photocurrent. Electron mobility extracted from time delay was independent of the thickness of the Alq3 layer and was in excellent agreement with optical time of flight measurements.

Original languageEnglish
Pages (from-to)2033-2037
Number of pages5
JournalJournal of Applied Physics
Volume94
Issue number3
DOIs
Publication statusPublished - 1 Aug 2003

Scopus Subject Areas

  • Physics and Astronomy(all)

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