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Effect of Light Intensity on Schottky Barrier Widths and I-V Characteristics of Polymer Heterojunction Photodiodes

  • Ali Bilge Guvenc (a1), Cengiz Ozkan (a2) (a3) and Mihrimah Ozkan (a1)

Abstract

The Schottky barriers that forms on the interface between aluminum and organic semiconductor of polymer heterojunction photodiodes based on poly(3-hexylthiophene): [6,6]-phenyl-C61-butyric acid methylester blend, has been investigated according to Mott-Schottky curves. We focused on the effect of light intensity on the Schottky barrier widths and I-V characteristics of the devices. Comparison of the mathematical models and experimental data measured under different light intensities indicate a dependency of Schottky barrier to the light intensity.

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Keywords

Effect of Light Intensity on Schottky Barrier Widths and I-V Characteristics of Polymer Heterojunction Photodiodes

  • Ali Bilge Guvenc (a1), Cengiz Ozkan (a2) (a3) and Mihrimah Ozkan (a1)

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