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Anisotropic charge transport properties in organic semiconducting thin films of Boron Sub Phthalocyanine Chloride (Sub-Pc) have been studied by admittance spectroscopy applying a bias voltage parallel and perpendicular to the… Click to show full abstract
Anisotropic charge transport properties in organic semiconducting thin films of Boron Sub Phthalocyanine Chloride (Sub-Pc) have been studied by admittance spectroscopy applying a bias voltage parallel and perpendicular to the substrate. Sub-Pc long ordered structures confined in different directions induce anisotropic carrier mobility in films. The film with a thickness of 11 nm exhibited carrier mobilities three orders higher along the substrate than perpendicular to it. Furthermore, AFM, Kelvin Probe, and UV-Vis spectroscopic studies corroborated the established mobility-structure relationship.
Journal Title: Journal of Applied Physics
Year Published: 2017
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