Abstract
Organic conductors such as PEDOT:PSS are commonly used for the fabrication of OLEDs or OTFT transistors. Conductivity measurement is mandatory to improve both material composition and process parameters, and to allow device and circuit modeling. Film deposition using spin-coating on circular TLM electrode structures is a straightforward method for extracting both the film resistance and the contact resistivity, providing an accurate model is used. A practical measurement procedure is described in detail and applied to the measurement of PEDOT:PSS solutions.
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