fig1
Figure 1. Patterning process and application of EGaIn-AgNPs biphasic conductive ink based on EHD printing. (A) Preparation and patterning process of EGaIn-AgNPs biphasic conductive ink. (B) Schematic diagram of the formation of a Taylor cone during the EHD printing process. Flexible electronic devices with EGaIn-AgNPs biphasic structures applied for (C) electrical signal monitoring on human skin and (D) electrical signal monitoring on plant surfaces. EHD: Electrohydrodynamic; ECG: electrocardiogram; EMG: electromyogram; LM: liquid metal; EGaIn-AgNPs: eutectic gallium indium-silver nanoparticles.