Fig. 4

Nanomaterial composites fabricated by EHD printing technology for transistors. a Schematic of ZnO nanorods patterned by the EHD printing process, reprinted from reference [44] b and c MWCNT/TX100 and MWCNT/PSS lines printed by EHD, reprinted from reference [45]. d Schematic of printing process and EHD-printed OM images of ZnO: Three types of S/D electrodes with EHD-printed in TFT arrays by MWCNT/PSS and Ag nanoparticles, with conductive PEDOT:PSS, reprinted from reference [46]. e OM images of conductive inks for PEDOT:PSS/Nafion and PEDOT:PSS/ethanolamine for four different EHD printing modes along with organic complementary inverter composed of an n-type and a p-type electrodes, reprinted from reference [47],