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Solution-Processed TIPS-Pentacene Organic Thin-Film-Transistor Circuits

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3 Author(s)
Sung Kyu Park ; Penn State Univ., University Park ; John E. Anthony ; Thomas N. Jackson

We have fabricated solution-processed organic thin-film transistors (OTFTs) and circuits using triisopropylsilyl pentacene (TIPS-pentacene) as the active semiconductor material. Patterned bottom-gate solution-processed TIPS-pentacene OTFTs on glass substrates have mobility as large as 0.6 cm2/Vldrs and subthreshold slope as low as 0.4 V/dec. Seven-stage ring oscillators have oscillation frequency greater than 10 kHz and propagation delay of less than 8 mus per stage at a bias of 80 V. The 7- and 15-stage ring oscillators also operate with supply-voltage magnitude of less than 5 V.

Published in:

IEEE Electron Device Letters  (Volume:28 ,  Issue: 10 )