Fig. 6. Light-mediated rewritable materials.
a The manipulation of Z-3 loaded filter paper with dynamic nucleophilic substitution and photoswitching for varied patterns. The logos of Chinese Academy of Sciences (CAS) and Fujian Institute of Research on the Structure of Matter (FJIRSM) were used as pattern masks with permission. b The manipulation of writing of Z-3 as letters “Te” on a filter paper with photoswitching and dynamic imine chemistry, triggered by reversible nucleophilic substitution.