Journal Article Research Support, U.S. Gov't, Non-P.H.S. Electrolytes Gels Ionic Liquids Ions Polymers Research Support, Non-U.S. Gov't complementary metal-oxide-semiconductor logic circuits electrochemiluminescence gels electrochemiluminescent transistors electrolyte gated transistors (EGTs) flexible substrates high mobility inorganic p-type semiconductors ion-gel gate insulators light-emitting transistors printed ZnO transistors solution-processed electronics thin-film transistors transparent electronics uniform light-emission