Fig. 1: Fabrication steps of the flexible large-area WS2 photodetectors.
From: Scalable and low-cost fabrication of flexible WS2 photodetectors on polycarbonate
a Fine WS2 powder is rubbed against the surface of a polycarbonate substrate with a cotton swab. b, c Pictures of the WS2 film on polycarbonate after deposition. d A shadow mask is placed onto the surface of the film. e Picture of a polycarbonate chip after the evaporation of 20 devices. f Higher magnification image of one of the devices, highlighted with a dashed rectangle in e.
