Abstract
A full-swing pentacene organic thin-film transistor (OTFT) inverter, which is composed of an enhancement-mode driver and a depletion-mode load, is proposed and confirmed at the discrete device level. The depletion-mode OTFT can be easily converted to the enhancement-mode by adding a thin PMMA layer between insulator and pentacene to the depletion-mode fabrication sequence. It is demonstrated that the proposed inverter shows a full-swing characteristic, large inverting gain and high noise margin with only two OTFTs.
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