Hysteresis and threshold voltage shift of pentacene thin-film transistors and inverters with Al2O3 gate dielectric

作者: Jae Bon Koo , Chan Hoe Ku , Sang Chul Lim , Seong Hyun Kim , Jung Hun Lee

DOI: 10.1063/1.2717015

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摘要: The pentacene organic thin-film transistors (OTFTs) with plasma-enhanced atomic-layer-deposited 150nm thick Al2O3 as a gate dielectric and the inverters comprised of these OTFTs have been fabricated. hysteresis in transfer characteristics depends on scan range negative voltage, regardless drain voltage. Negative gate-bias stress leads to progressive shift threshold D inverter is similar that E inverter, but former has wider swing higher gain comparison latter.

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