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Mechanical Fatigue Behavior of Flexible Printed Organic Thin-Film Transistors under Applied Strain

Research Center for Organic Electronics (ROEL), Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
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Academic Editors: Fu Hsiang Ko, Jian-Guo Zheng and Chih-Feng Wang
Materials 2017, 10(1), 18; https://doi.org/10.3390/ma10010018
Received: 12 October 2016 / Revised: 28 November 2016 / Accepted: 16 December 2016 / Published: 28 December 2016
(This article belongs to the Special Issue Advances in Bendable and Soft Material Film)
We report on the mechanical fatigue behavior of printed, organic, thin-film transistors (OTFTs) based on a polymer semiconductor, investigated by repeatedly applying strain to the flexible OTFT devices and assessing their electrical characteristics after 60,000 bending cycles. As part of our investigation, we established that the rates of reduction in source/drain currents in the OTFT device depended on bending directions. Our improved understanding of the mechanical fatigue behavior of the flexible printed OTFT devices provides valuable insights into their employment in practical flexible electronics applications. View Full-Text
Keywords: organic thin-film transistor; mechanical fatigue; flexible; printed; strain organic thin-film transistor; mechanical fatigue; flexible; printed; strain
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MDPI and ACS Style

Sekine, T.; Kumaki, D.; Tokito, S. Mechanical Fatigue Behavior of Flexible Printed Organic Thin-Film Transistors under Applied Strain. Materials 2017, 10, 18.

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