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High-resolution electrohydrodynamic inkjet printing of stretchable metal oxide semiconductor transistors with high performance
Cited 91 time in
Web of Science
Cited 96 time in Scopus
- Authors
- Issue Date
- 2016
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- NANOSCALE, Vol.8 No.39, pp.17113-17121
- Abstract
- As demands for high pixel densities and wearable forms of displays increase, high-resolution printing technologies to achieve high performance transistors beyond current amorphous silicon levels and to allow low-temperature solution processability for plastic substrates have been explored as key processes in emerging flexible electronics. This study describes electrohydrodynamic inkjet (e-jet) technology for direct printing of oxide semiconductor thin film transistors (TFTs) with high resolution (minimum line width: 2 mu m) and superb performance, including high mobility (similar to 230 cm(2) V-1 s(-1)). Logic operations of the amplifier circuits composed of these e-jet-printed metal oxide semiconductor (MOS) TFTs demonstrate their high performance. Printed In2O TFTs with e-jet printing-assisted high-resolution S/D electrodes were prepared, and the direct printing of passivation layers on these channels enhanced their gate-bias stabilities significantly. Moreover, low process temperatures (<250 degrees C) enable the use of thin plastic substrates; highly flexible and stretchable TFT arrays have been demonstrated, suggesting promise for next-generation printed electronics.
- ISSN
- 2040-3364
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Related Researcher
- College of Engineering
- Department of Electrical and Computer Engineering
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