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Parylene copolymer gate dielectrics for organic field-effect transistors

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Abstract

A double-layer gate dielectric has been used to overcome the drawbacks of organic field-effect transistors with a single-layer gate dielectric. However, the double-layered dielectrics require additional fabrication processes, resulting in increased manufacturing cost and complexity. Here, we present parylene copolymer gate dielectrics fabricated by in situ codeposition of two different families, parylene C and parylene F while maintaining double-layer structures. The effect of the copolymer dielectric on device performance is systematically investigated by evaluating dielectric properties and electrical characteristics. The results show that an organic transistor with a codeposited parylene dielectric exhibits high performance and stable operation without increasing the manufacturing complexity.

Graphical abstract: Parylene copolymer gate dielectrics for organic field-effect transistors

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Publication details

The article was received on 12 Dec 2018, accepted on 14 May 2019 and first published on 16 May 2019


Article type: Communication
DOI: 10.1039/C8TC06267F
J. Mater. Chem. C, 2019, Advance Article

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    Parylene copolymer gate dielectrics for organic field-effect transistors

    H. Park, J. Kwon, H. Ahn and S. Jung, J. Mater. Chem. C, 2019, Advance Article , DOI: 10.1039/C8TC06267F

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