Characterizaton of tetracene-based electroluminescent devices produced by cluster beam deposition methods

Eun Ah You, Young Geun Ha, Young Sang Choi, Jong Ho Choi

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    19 Citations (Scopus)

    Abstract

    We have fabricated and characterized heterojunction electroluminescent devices with the structure of ITO-coated glass/tetracene/(DCM-doped)Alq 3/Li:Al. The organic thin films of tetracene, Alq3, and dye dopant DCM were deposited by applying the cluster beam deposition (CBD) methods. X-ray diffraction (XRD) and atomic force microscopy (AFM) measurements show that the flat and smooth thin tetracene films are close to a highly ordered, single crystal. Photoluminescence (PL), electroluminescence (EL) and device characteristics such as current density-voltage (J - V), EL intensity-voltage (L - V), and external quantum efficiency-current (EQE-I) were examined for undoped and DCM-doped devices.

    Original languageEnglish
    Pages (from-to)209-212
    Number of pages4
    JournalSynthetic Metals
    Volume153
    Issue number1-3
    DOIs
    Publication statusPublished - 2005 Sept 21

    Keywords

    • Alq
    • Cluster beam deposition
    • DCM
    • OLED
    • Tetracene

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys
    • Materials Chemistry

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