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(Color online) (a) A schematic cross-sectional view of our pentacene-based TFTs (channel length, ; width, ). (b) Plots of and (inset) characteristics measured from diameter Au-dot/dielectric insulator/ITO structures. Chosen dielectrics were , PVP , and thin and thick double combinations ( and , respectively).
(Color online) AFM images of (a) film deposited on ITO glass, (b) PVP layer coated on glass, (c) pentacene film deposited on the single layer, and (d) another pentacene film deposited on the double layer.
Drain current-drain voltage curves obtained from our pentacene-based TFTs with (a) PVP and (b) PVP dielectric combinations.
and plots obtained from our pentacene TFTs with PVP and PVP double dielectrics under a drain saturation condition .
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