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Laser forward transfer of silver electrodes for organic thin-film transistors

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Abstract

Organic thin-film transistors (OTFTs) with top- and bottom-contact configurations were fabricated using silver nano-inks printed by laser forward transfer for the gate and source/drain electrodes with pentacene and poly-4-vinylphenol as the organic semiconductor and dielectric layers, respectively. The volume of the laser-printed Ag pixels was typically in the subpicoliter (0.2–0.4 pl) range. The top-contact OTFTs resulted in lower contact resistance compared to those obtained from the bottom-contact OTFTs, and showed improved overall device performance. The top-contact OTFTs exhibited field-effect mobilities of ∼0.16 cm2 V−1 s−1 and on/off current ratios of ∼105.

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Authors and Affiliations

  1. Naval Research Laboratory, 4555 Overlook Ave, SW, Washington, DC, 20375, USA

    H. Kim, R. C. Y. Auyeung, S. H. Lee, A. L. Huston & A. Piqué

  2. Nova Research Inc., Alexandria, Virginia, 22308, USA

    H. Kim

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  1. H. Kim
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  2. R. C. Y. Auyeung
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  3. S. H. Lee
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  4. A. L. Huston
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  5. A. Piqué
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Correspondence to A. Piqué.

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Kim, H., Auyeung, R.C.Y., Lee, S.H. et al. Laser forward transfer of silver electrodes for organic thin-film transistors. Appl. Phys. A 96, 441–445 (2009). https://doi.org/10.1007/s00339-009-5225-z

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  • DOI: https://doi.org/10.1007/s00339-009-5225-z

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