Printing electronics is a recent development whereby metal nanoparticles are mixed with organic solvents to form an ink that can be deposited in thin layers on various surfaces with inkjet printers or other printing techniques.
Design of a Cross-Flow-Reactor
Raut, N. C., & Al-Shamery, K. (2018). Inkjet printing metals on flexible materials for plastic and paper electronics. Journal of Materials Chemistry C, 6(7), 1618-1641.