Fig. 5. (A) Schematic illustration of the fabrication procedure of the device: (1) stick the mold on the ITO glass; (2) block the “Y” area with a plastic sheet and spray P(DTDPE-TPA) in the “X” area; (3) block the “X” area with a plastic sheet and spray P(TPE-TPA) in the “Y” area; (4) remove the pattern mold; (5) fill with gel electrolyte and cover with another ITO glass; and (6) construct the device and apply different voltages. (B) Photographs showing the changes in the “X” and “Y” patterns at different voltages under daylight and UV light. The size of the ITO substrate is 4.5 × 5.5 cm.
