Fig. 2: Images of PDVT-10 structures fabricated by CFEJ printing and sub-microwire arrays on different substrates.

a–c Linear array structures printed on silicon wafer. d–f Sinuous structures printed on silicon wafer. g Linear array structures printed on PET flexible substrate, where the substrate thickness is 200 µm. h Linear array structures printed on PDMS substrate, where the substrate thickness is 500 µm. i Linear array structures printed on PI substrate, where the substrate thickness is 50 µm.