writer：Depeng Liu, Longqiang Li, Guangqiang Yin * and Tao Chen*
keywords：mechanochromic film
source：期刊
specific source：Chem. Commun., 2022, 58, 13791–13794
Issue time：2022年

Inspired by dinoflagellates, we developed a flexible film consisting of spiropyran-based soft polyacrylate and Zn(OTf)2. The open-ring form of spiropyran coordinated with Zn(OTf)2 under stretching to produce a visible fluorescent color change from colorless to yellow. The potential of this film was demonstrated for fast and reversible information encryption and decryption.