Organic Thin-Film Transistors with Transfer-Printed Au Electrodes on Flexible Substrates

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概要

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• Bottom-gate, bottom-contact organic thin-film transistors (OTFTs) based on 6,13-bis(tri-isopropylsilylethynyl) pentacene (TIPS-pentacene) were fabricated on flexible substrates by transfer-printing and solution-based processes and their performances were characterized. Au gate and source/drain electrodes were transfer-printed from a release-layer-coated flexible mold at 2.4 MPa and 120 °C in ambient air. A polymer gate dielectric of poly(4-vinyl phenol) (PVP) and an active layer of TIPS-pentacene were deposited by solution processing. In addition, the TFT characteristics in channels of 40 and 4 μm length were compared. Also, the lack of saturation of the drain–source current ($I_{\text{DS}}$) was investigated by considering the output characteristics in a short channel.

• 2010-05-25

著者

• Char Kookheon

  School Of Chemical And Biological Engineering And Nano Systems Institute-national Core Research Cent

• Kookheon Char

  School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, Korea

• Yongtaek Hong

  School of Electrical Engineering and Computer Science, Inter-University Semiconductor Research Center, Seoul National University, Seoul 151-744, Korea

• Cho Hyunduck

  School of Electrical Engineering and Computer Science, Inter-University Semiconductor Research Center, Seoul National University, Seoul 151-744, Korea

• Yoon Hyunsik

  School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, Korea

• Changhee Lee

  School of Electrical Engineering and Computer Science, Inter-University Semiconductor Research Center, Seoul National University, Seoul 151-744, Korea

• Hyunsik Yoon

  School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, Korea

• Hyunduck Cho

  School of Electrical Engineering and Computer Science, Inter-University Semiconductor Research Center, Seoul National University, Seoul 151-744, Korea

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• Organic Thin-Film Transistors with Transfer-Printed Au Electrodes on Flexible Substrates

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