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10 September 2019 High-performance organic thin-film transistors by printing (Conference Presentation)
Takeo Minari, Xuying Liu, Qingqing Sun, Wanli Li, Masayuki Kanehara
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Proceedings Volume 11097, Organic and Hybrid Field-Effect Transistors XVIII; 110970J (2019) https://doi.org/10.1117/12.2530441
Event: SPIE Organic Photonics + Electronics, 2019, San Diego, California, United States
Abstract
Printed electronics is an emergent subject for the low-cost and large-area fabrication of flexible electronic devices. Direct printing of organic thin-film transistors (OTFTs) is a particularly promising fabrication method that can be used in large-scale production at low cost. In this work, we developed “room-temperature printed electronics”, which allows OTFT devices to be printed at room temperature without application of heat. The room-temperature fabrication process never causes any thermal damage to the flexible substrate. Thus the process allows very accurate and high-resolution patterning even on a flexible plastic substrate. We also developed the printing technique using patterned surface wettabilities on surface. Through this process, short-channel OTFTs having 1-um channel length were successfully demonstrated. These results suggest that printed electronics technologies are promising as a core technology for low-cost and high-performance printed electronics.
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Takeo Minari, Xuying Liu, Qingqing Sun, Wanli Li, and Masayuki Kanehara "High-performance organic thin-film transistors by printing (Conference Presentation)", Proc. SPIE 11097, Organic and Hybrid Field-Effect Transistors XVIII, 110970J (10 September 2019); https://doi.org/10.1117/12.2530441
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KEYWORDS
Printing
Thin films
Transistors
Electronics
Flexible circuits
Optical lithography
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