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Flexible high-performance all-inkjet-printed inverters: organo-compatible and stable interface engineering.
Seungjun Chung1, Mi Jang, Seon-Beom Ji
1Department of Electrical Engineering and Computer Science, Inter University Semiconductor Research Center (ISRC), Seoul National University, Seoul, 151-744, Korea.
Advanced Materials (Deerfield Beach, Fla.)
|July 6, 2013
Summary
High-performance organic inverters were fabricated using inkjet printing on flexible substrates. This method significantly reduced resistance, improving switching performance and achieving a high voltage gain.
Area of Science:
- Organic electronics
- Printed electronics
- Materials science
Background:
- Organic inverters are crucial for flexible electronic applications.
- Improving interface quality is key to enhancing organic inverter performance.
Purpose of the Study:
- To fabricate high-performance organic inverters using all-inkjet printing on flexible substrates.
- To reduce interfacial trap and contact resistance by modifying interfaces.
Main Methods:
- Inkjet printing of organic semiconductor layers and electrodes.
- Surface modification using end-functionalized polystyrene.
- Fabrication of organic inverters on flexible substrates.
Main Results:
- Achieved high-performance all-inkjet-printed organic inverters on flexible substrates.
- Reduced interfacial trap and contact resistance through hydroxyl-free interfaces.
- Demonstrated full up-down switching performance and a high voltage gain of 19.8.
Conclusions:
- Inkjet printing is a viable method for fabricating high-performance organic electronics.
- Interface engineering with end-functionalized polystyrene significantly enhances organic inverter performance.
- The developed organic inverters show promising potential for flexible electronic applications.
