Influence of molecular architecture and processing on properties of semiconducting arylacetylene: Insulating poly(vinylidene fluoride) blends

Blends of chemically readily accessible, small-molecular arylacetylene derivatives with poly(vinylidene fluoride) (PVDF) are presented that allow reliable solution processing of field-effect transistor (FET) architectures with electronic characteristics comparable to those of the neat semiconductors. We demonstrate that having the chemical means and corresponding processing protocols to control solid-state microstructures by either adjusting the chemical nature of the organic semiconductor, blend composition or deposition temperature, permit straight-forward comparison between materials and allow probing if electronic characteristics are affected by the chemical structure of the organic semiconductor and/or selected processing protocols.

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► Blends of small-molecular arylacetylenes with PVDF for reliable solution processing of FETs.
► PVDF contents of 70 wt.% with FET characteristics comparable to those of the neat semiconductors.
► Straight-forward comparison between different solution processed materials.
► Chemical design of semiconductors allows facile synthesis protocols with up-scaling options.