To overcome the problems of heavy pollution and low-efficiency of the traditional press and printed circuit board industry, we invented green printing technology by manipulating surface wettability with nanomaterials. Based on the manufacturing of functional nanomaterials and controllable spreading of ink droplets, we printed superoleophilic image on superhydrophilic plate by inkjet printing, which completely avoids the traditional etching process. Furthermore, the green printing technology is utilized into textiles, printed electronics and photonics. Especially, based on metal nanoparticles for printed electronics and polymer nanoparticles for photonic crystals devices, we achieved clean and flexible electronics manufacturing, and prepared high sensitive electronic skin, transparent touch screen, multi-layer circuits, ultra-integrated complex circuits, soft actuators as well as high performance photonic crystal sensors. The green printing technology substantially reduced the pollution in traditional industries, and contributed greatly to the environmental protection, which benefits from a long-time and in-depth research in nanomaterials and surface science for droplet manipulation.

Green printing technology based on nanomaterials

256th National Meeting (2018)

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