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Low-voltage-driven pentacene thin-film transistor with an organic-inorganic nanohybrid dielectric
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) (a) Schematic cross section of our pentacene-TFT with -thick -SAMu nanohybrid insulator. Right-side inset: the scale of one unit -SAMu. (b) High resolution TEM image of our nanohybrid insulator inserted between two thin films. Here we used with -thin native oxide as a substrate for TEM samples. AFM images of the -thick -SAMu (c) on ITO glass and (d) on substrates . (e) AFM surface image of pentacene channel grown on nanohybrid dielectric layer .

Image of FIG. 2.
FIG. 2.

Capacitance-voltage curves of -SAMu dielectric insulators on ITO glass and substrate as measured from -diameter Au dot /dielectric/electrode structures. The inset shows current density-electric field characteristics of the nanohybrid insulators.

Image of FIG. 3.
FIG. 3.

(Color online) Drain current-drain voltage output curves obtained from our pentacene-TFTs with the nanohybrid dielectrics prepared on (a) ITO glass and (b) on substrates. Transfer curves [ and ] of the pentacene-TFTs prepared on (c) ITO and on (d) substrates .

Image of FIG. 4.
FIG. 4.

Properties of our resistance-load inverter. Our inverter was composed of a pentacene-TFT (with the -thick nanohybrid dielectric on ITO glass) and a load resistor . (a) Static behavior of our resistance-load inverter. (b) Dynamic behavior of the same inverter. Input voltage signal by pulse generator and output voltage signal .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Low-voltage-driven pentacene thin-film transistor with an organic-inorganic nanohybrid dielectric