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Molecular Crystals and Liquid Crystals Volume 584, 2013 - Issue 1: Proceedings of the Advanced Display Materials and Devices 2012 (ADMD 2012)
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Original Articles

Fabrication and Properties of Flexible OLEDs on Polyimide-Graphene Composite Film Substrate

Ho Hoon Kim Department of Polymer Science, Kyungpook National University, Daegu, 702-701, Korea
,
Hyo Jin Kim Nano Convergence Practical Application Center, Daegu, 704-801, Korea
,
Byung Jin Choi Department of Materials & Energy Engineering, Kyungwoon University, Gumi, 730-739, Korea
,
Yun Su Lee Display Nanomaterials Institute, Kyungpook National University, Daegu, 702-701, Korea
,
Soo Young Park Department of Polymer Science, Kyungpook National University, Daegu, 702-701, Korea
&
Lee Soon Park Department of Polymer Science, Kyungpook National University, Daegu, 702-701, Korea; Display Nanomaterials Institute, Kyungpook National University, Daegu, 702-701, Korea
Pages 153-160 | Published online: 16 Dec 2013
 
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Abstract

In this work a clear polyimide (PI) film was synthesized by using selected monomers containing multiple CF3 groups. The polyimide-graphene composite films were made by film coating of mixture of polyamic acid (precursor of polyimide) solution with reduced grapheme oxide. The flexible OLEDs were fabricated by using the polyimide-graphene composite films on which the ITO/Ag/ITO thin films were deposited by roll-to-roll sputter instead of usual ITO-glass and the properties of flexible OLEDs were examined from the viewpoint of flexible substrates.

Acknowledgments

This research was supported by Kyungpook National University Research Fund, 2012.

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