Fig. 5: Demonstration of thermal-responsive phosphors for smart pigments and colorful afterglow display.
From: Abnormal thermally-stimulated dynamic organic phosphorescence
a Schematic diagram for screen printing pattern of landscape. b Afterglow photographs of landscape pattern taken as temperature change from 323 K to room temperature. Note that the photographs from I to IV represents the seasonal change from summer to autumn. c A schematic of colorful afterglow display device (left) and afterglow photographs with specific color values through heating for different times (right). d–k Colorful afterglow patterns with integrated circuit by programmable regulation of the UV lamps and heating plate on-off, respectively.
