“…Compared to well-established vacuum metal coating and lithography-based metallization processes [1,5], where metals are deposited from bulk metal targets using complicated manufacturing equipment (magnetrons, e-beam and thermal evaporators), spray deposition and printing benefit from significantly simpler equipment but are more demanding in choosing the materials and often involve post processing like sintering or annealing to improve electrical conductivity and performance of the coating [6][7][8][9].…”