Journal Article polymer semiconductors Review arylazopyrazole charge mobilities charge mobility conjugated semiconducting polymers conjugated terpolymers field-effect transistors-based sensors field‐effect transistors hexaarylbiimidazole intrinsically stretchable semiconductors mechanical flexibility memory devices modifications of side chains nonhalogenated solvents optically tunable field-effect transistors organic electronics organic field effect transistors photopatterning photoresponsive field-effect transistors photo‐crosslinkers photo‐patterning semiconducting conjugated polymers semiconducting polymers side chains with functional groups tetra-ortho-methoxy-substituted azobenzene tri-stable semiconducting states