Abstract
Field-effect transistors consisted of vacuum-sublimed polycrystalline pentacene films and calcium source-drain electrodes were prepared and device characteristics were evaluated in an oxygen-free condition. The field-effect transistor showed typical ambipolar characteristics and field-effect hole mobility of 4.5×10−4cm2/Vs and field-effect electron mobility of 2.7×10−5cm2∕Vs were estimated from saturation currents. Appearance of an electron enhancement mode in pentacene field-effect transistors was ascribed to the lowering of barrier for electron injection at source-drain electrodes. Effective elimination of electron traps using an oxygen-free condition was found to be another requirement for the observation of ambipolar behavior in pentacene.
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Dates
Type | When |
---|---|
Created | 20 years, 11 months ago (Sept. 17, 2004, 6:02 p.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 10:52 p.m.) |
Indexed | 1 month ago (July 30, 2025, 10:32 a.m.) |
Issued | 20 years, 11 months ago (Sept. 13, 2004) |
Published | 20 years, 11 months ago (Sept. 13, 2004) |
Published Print | 20 years, 11 months ago (Sept. 13, 2004) |
@article{Yasuda_2004, title={Ambipolar pentacene field-effect transistors with calcium source-drain electrodes}, volume={85}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1794375}, DOI={10.1063/1.1794375}, number={11}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Yasuda, Takeshi and Goto, Takeshi and Fujita, Katsuhiko and Tsutsui, Tetsuo}, year={2004}, month=sep, pages={2098–2100} }