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Pentacene organic thin-film transistors for circuit and display applications

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4 Author(s)
Klauk, H. ; Center for Thin Film Devices, Pennsylvania State Univ., University Park, PA, USA ; Gundlach, D.J. ; Nichols, J.A. ; Jackson, T.N.

We have fabricated organic thin-film transistors (TFT's) using the small-molecule polycyclic aromatic hydrocarbon pentacene as the active material. Devices were fabricated on glass substrates using low-temperature ion-beam deposited silicon dioxide as the gate dielectric, ion-beam deposited palladium for the source and drain contacts, and vacuum-evaporated pentacene to form the active layer. Excellent electrical characteristics were obtained, including carrier mobility as large as 0.6 cm2/V-s, on/off current ratio as large as 108, and subthreshold slope as low as 0.7 V/dec, all record values for organic transistors fabricated on nonsingle-crystal substrates

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Electron Devices, IEEE Transactions on  (Volume:46 ,  Issue: 6 )