Electrochromic Reflective Displays Based on In Situ Photo‐Crosslinked PEDOT:PSS Patterns

• DOI: 10.1002/adfm.202314983
• Publication Date: 2024-01-01T04:20:27Z
• Authors: Guojian Yang; Junpeng Fan; Kai Zhang; Chang Gu; Jing Li; Kai Kang; Chaoyu Xiang; Lei Qian; Ting Zhang
• Keywords: 01 natural sciences; 0104 chemical sciences

Abstract Electrochromic (EC) technology is regarded as one of the most promising candidates for next‐generation reflective displays, owing to its advantages outstanding color adjustability, low energy consumption, vivid color, and flexibility, etc. However, current EC displays are seriously restricted by complicated expensive patterned methods. Herein, a facile low‐cost route developed achieve which fabricated based on combination an easily‐obtained material poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) efficient photo‐crosslinked additive (2,4‐hexadiyne‐1,6‐diol, HDDO). The micrometer‐scale patterns (<50 µm) can be achieved in situ process. As‐prepared devices show great performances containing fast response (<0.5 s), good reversibility (>10 000 cycles) high coloration efficiency (274.75 cm 2 C −1 ). More importantly, applications logo, QR code, price tag demonstrated successfully. Overall, exploration suggests efficient, low‐cost, method produce with performance, undoubtedly promote further development application displays.