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Direct current and impedance spectroscopic studies on MoO3 modified ZnPc/ITO Schottky diodes |
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| Authors: | Imran Murtaza Ibrahim Qazi Khasan S Karimov Muhammad H Sayyad |
| Institution: | a Faculty of Engineering Sciences, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi 23640, Pakistan b Department of Materials Science and Engineering, Institute of Space Technology, Islamabad 44000, Pakistan c Physical Technical Institute of Academy of Sciences, Dushanbe 734025, Tajikistan |
| Abstract: | We use experimental results of direct current and low signal impedance spectroscopy to investigate the conduction mechanism in organic semiconductor ZnPc. The experimental results demonstrate an increase in current and holes mobility by the introduction of a thin MoO3 film at the ITO/ZnPc interface. This significantly improves the device performance. The improvement is explained in terms of the reduction in the effective barrier for charge transfer from ZnPc to ITO. |
| Keywords: | Organic semiconductor Zinc phthalocyanine Molybdenum oxide Impedance spectroscopy Schottky effect Dielectric constant Holes mobility |
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