Xolography 3D printing technology. a, Rendered illustration of the printing zone and associated photoinduced reaction pathways of the DCPI. b, Absorbance spectrum of DCPI in resin 1 under dark conditions (grey) and 375 nm UV irradiation (blue). c, Photoswitching kinetics probed at 585 nm: generation of the DCPI active state during 375 nm UV irradiation at 1.5 mW cm−2...
