Journal Article organic bioelectronics organic electrochemical transistor organic electrochemical transistors additive free ambipolar small‐molecule mixed ionic‐electronic conductors annealing free antiambipolar conjugated polymer conjugated polymers diluted organic semiconductors electron transport inverters mixed conductors molecular weight multivalued logic circuits n-type semiconductors neural network neural network hardware n‐type small molecules oligomers organic electrochemical synaptic transistors organic field-effect transistors organic mixed ionic‐electronic conductor organic mixed ionic‐electronic conductors polymer alignment reservoir computing shear coating small‐molecule mixed ionic–electronic conductors solar cells