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J Phys Chem B. 2006 Oct 5;110(39):19412-7.

Molecular assembled self-doped polyaniline interlayer for application in polymer light-emitting diode.

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1
Department of Chemical and Material Engineering, Southern Taiwan University of Technology, Tainan, Taiwan 710. yangch@mail.stut.edu.tw

Abstract

Self-doped polyaniline (SPANI) ultrathin films were prepared by using a self-assembly process consisting of a self-doping monomer (o-aminobenzenesulfonic acid, SAN) and aniline (AN). SAN-AN copolymerization and film formation were simultaneously performed in aqueous solution. An immersing self-assembly method was developed to build up a SPANI nanofilm on an ITO glass, providing a hole injection layer in a double-layer electroluminescence (EL) device ITO/SPANI nanofilm//MEH-PV//Ca/Al. This device produces an orange EL as compared with a single-layer EL device of ITO//MEH-PV//Ca/Al. A double-layer device demonstrates that a SPANI film is capable of transporting holes in a polymer light-emitting diode (PLED).

PMID:
17004799
DOI:
10.1021/jp0612174
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