| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Bilayer Photoresist Insulator for High Performance Organic Thin-Film Transistors on Plastic Films |
| WANG He1,2, LI Chun-Hong1, PAN Feng1, WANG Hai-Bo1, YAN Dong-Hang1 |
| 1State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 1300222Graduate School of Chinese Academy of Sciences, Beijing 100049 |
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| Cite this article: |
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WANG He, LI Chun-Hong, PAN Feng et al 2009 Chin. Phys. Lett. 26 118501 |
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Abstract A novel bilayer photoresist insulator is applied in flexible vanadyl-phthalocyanine (VOPc) organic thin-film transistors (OTFTs). The micron-size patterns of this photoresisit insulator can be directly defined only by photolithography without the etching process. Furthermore, these OTFTs exhibit high field-effect mobility (about 0.8cm2/Vs) and current on/off ratio (about 106). In particular, they show rather low hysteresis (<1V). The results demonstrate that this bilayer photoresist insulator can be applied in large-area electronics and in the facilitation of patterning insulators.
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| Keywords:
85.30.Tv
72.80.Le
72.80.Sk
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Received: 26 June 2009
Published: 30 October 2009
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| PACS: |
85.30.Tv
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(Field effect devices)
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72.80.Le
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(Polymers; organic compounds (including organic semiconductors))
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72.80.Sk
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(Insulators)
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