Fig. 7: Application of metal-polymer hybrids.
a Circuit conductivity demonstration, and the circuit made by pure polymer with a copper layer. Copyright from ref. 58, b The digital photograph of the flexible OTFTs. Copyright from ref. 103, c Temperature sensor. Copyright from ref. 104, d A 3D printed temperature sensor fabricated by inkjet printing of silver nanoparticles. Copyright from ref. 89, e The 3D printed temperature sensor in its off state (top) and on state (bottom). Copyright from ref. 89, f A tree fractal antenna. Copyright from ref. 105, g A horn antenna with a septum polarizer. Copyright from ref. 105, h Polyimide (PI) with selectively patterned copper. Copyright from ref. 105, i A 3D folded electrically small antenna. Copyright from ref. 106, j Metal-organic frameworks (MOFs) embedded in polymer electrolytes. Copyright from ref. 107, k 3D printed a stable 555 timer circuits. Copyright from ref. 72.
