Journal Article triboelectric nanogenerators 2D materials MoS2 transistors Organic field-effect transistor Research Support, Non-U.S. Gov't diodes electrical double layers electrode transfer flexible imaging ion-gel-gated MoS2 transistors mica patterning monolayer organic semiconductor n-type ZnO negative-capacitance effect p-type MoS2 perovskite film photodetector arrays photoresponse piezophototronic effect real-time light trajectory short-channel effect solution shearing subthreshold swing triboiontronic logic inverters triboiontronic transistors tribotronic logic inverters tribotronic transistors