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Fabrication of Organic Small Molecular Thin Films based on Ultrasonic Spray-Assisted Vapor-Deposition Method

Published online by Cambridge University Press:  10 January 2012

Jinchun Piao ,
Shigetaka Katori ,
Takumi Ikenoue  and
Shizuo Fujita
Jinchun Piao
Affiliation:
Department of Electronic Science and Engineering, Kyoto University, Katsura, Kyoto 615-8510, Japan Photonics and Electronics Science and Engineering Center, Kyoto University, Katsura, Kyoto 615-8520, Japan
Shigetaka Katori
Affiliation:
Department of Electronic Science and Engineering, Kyoto University, Katsura, Kyoto 615-8510, Japan
Takumi Ikenoue
Affiliation:
Department of Electronic Science and Engineering, Kyoto University, Katsura, Kyoto 615-8510, Japan Photonics and Electronics Science and Engineering Center, Kyoto University, Katsura, Kyoto 615-8520, Japan
Shizuo Fujita
Affiliation:
Photonics and Electronics Science and Engineering Center, Kyoto University, Katsura, Kyoto 615-8520, Japan
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Abstract

Small molecular thin films using solution-based method is a challengeable subject in organic optical and electronic devices. In our previous research, we successfully deposited aluminum tris(8-hydroxyquinoline) (Alq3) films on glass substrate. In this paper, aiming at future exploration of electroluminescent devices, we deposited N, N ’-Bis(3-methylphenyl)-N,N’- diphenylbenzidine) (TPD) films on indium-tin-oxide (ITO) substrates using the vapor-deposition method. Photoluminescence characteristics evidenced the actual formation of TPD thin films. Together with the good surface morphology and low leakage current of the films, the results are promising for actual device fabrication at low cost and low material loss.

Keywords

chemical vapor deposition (CVD) (deposition)thin filmorganic
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1400: Symposium S – Solution Processing of Inorganic and Hybrid Materials for Electronics and Photonics , 2012 , mrsf11-1400-s06-19
Copyright
Copyright © Materials Research Society 2012

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References

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