ORGANIC ELECTROLUMINESCENT DEVICES WITH ELECTROCHEMICALLY DEPOSITED POLYANILINE AS HOLE INJECTION LAYER

Author: Kim J-S.  

Publisher: Taylor & Francis Ltd

ISSN: 1058-725X

Source: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, Vol.405, Iss.1, 2003-01, pp. : 113-118

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Abstract

Conductive polyaniline (PANI)-camphosulfonic acid (CSA) film applied as a hole injection layer in ITO/PANI/P3HT/LiF/Al device. In the AFM images, electrochemically polymerized PANI-CSA films have the small particles and smooth sufficient for application as hole injection layer. By insertion of PANI-CSA buffer layer, the turn on voltage of ITO/PANI/P3HT/LiF/Al device lowed by 3 V, whereas that of ITO/P3HT/LiF/Al device shows 5 V.