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This work shows that minority carriers are generally present in seemingly unipolar organic semiconductors, and they play an important role in the switching dynamics of organic thin-film transistors. By combining a nanoscale electrical characterization technique (Scanning Kelvin Probe Microscopy) with drift-diffusion simulations, minority carriers are captured in time and space within the active region of organic thin-film transistors, and their effect is studied quantitatively.
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This page is a summary of: Scanning Kelvin Probe Microscopy Investigation of the Role of Minority Carriers on the Switching Characteristics of Organic Field-Effect Transistors, Advanced Materials, April 2016, Wiley,
DOI: 10.1002/adma.201503812.
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