Journal Article 9FN79X2M3F Lithium MXene MXenes Organic Chemicals Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Review Schottky diode ambipolar polymers artificial brain electrochemical doping electrolyte‐based synaptic transistor facilitation-to-depression transition gallium oxide intercalants linear and quasilinear VOC long afterglow long‐term memory to permanent memory transition memory diversification memory optocoupler modules molecular additives n-type alloys neuromorphic devices neurotransmitter variation organic electret memory organic field-effect transistors organic light-emitting transistors organic light‐emitting transistor