Abstract

Polymer-sorted (6,5) single-walled carbon nanotubes are available in large amounts and can be used for a wide range of optoelectronic devices. Here, we report on the investigation of charge transport in dense semiconducting nanotube films in field-effect transistors using temperature and carrier density dependent mobility and Seebeck coefficient measurements. Furthermore, we show how both their emissive and charge transport properties can be tuned by adding light-switchable functional groups to the wrapping polymer and by selected sp3-defects created via diazonium chemistry or aryl halide chemistry in organic solvents.

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