•Fast deposition of polymer thin films with aligned grains and molecules•The polyacrylonitrile can tune the size pre-aggregates in solution•Microscopic structures polymers affected thermal stability transistors•The electron mobilities transistors were >3.5 cm2V–1s–1 from 200 to 460 K For polymeric thin-film transistors, ordered arrangements backbones, flat face-on crystallites, long linear simu...
