Researchers at Korea Advanced Institute of Science and Technology (KAIST), in collaboration with Korea University and University of Hong Kong, have developed what they claim is the world’s first room-temperature 3D printing method capable of fabricating customized infrared sensors.

  • Instead of high-temperature semiconductor fabrication, they’re using liquid nanocrystal inks to print metal, semiconductor and insulator layers in a stack.
  • The application set includes LiDAR systems, 3D face recognition, wearable healthcare devices — essentially next-gen electronics where flexibility, custom shape, or low thermal budget are desirable.