Altering the Photochromic Properties of N-Salicylideneanilines Using a Co-Crystal Engineering Approach

摘要

In this work photochromic properties of N-salicylideneanilines were modified using a crystal engineering approach. Co-crystallization allowed modification of the structural arrangement and electronic properties of the target compounds altering its photochromic behavior without having to change the nature of the molecule. A co-crystal of N-salicylideneaniline and citraconic acid characterized by a zwitterionic anil character and showing inverted photochromic behavior when compared to the parent anil is reported here for the first time.