Mechanical Stability of Organic Field-Effect Transistors on Ultra-Thin Polymer Substrate
The mechanical properties and electrical characteristics of solution processed organic field-effect transistors (OFETs) on ultra-thin polymer substrate are demonstrated. An ultra-thin substrate of Parylene-C provided extreme flexibility, lightness, stretchability, and conformability. Two organic semiconductors, DPPT-TT as p-channel and P(NDI2OD-T2) as n-channel were used as active layers in the OFETs. Electrical performance was comparable to conventional devices on glass substrate. Various stability issues were also investigated. Mobility was slightly decreased by peel off and strain of the ultra-thin substrate, and significantly decreased by wrinkling.
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Document Type: Research Article
Affiliations: Department of Energy and Materials Engineering, Dongguk University, 30, Pildong-ro 1-gil, Jung-gu, Seoul 04620, Seoul, Korea
Publication date: August 1, 2017
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