Photochromic dyes are disclosed. A photochromic dye can include a first photo-reactive group and a second photo-reactive group. A first photochromic reaction can be induced in the first photo-reactive group of the photochromic dye by radiation having a first wavelength, and a second photochromic reaction can be induced in the second photo-reactive group of the photochromic dye by radiation having a second wavelength.
光致变色
染料被披露。光致变色
染料可以包括第一光反应基团和第二光反应基团。第一光致变色反应可以通过具有第一波长的辐射诱导光致变色
染料的第一光反应基团中,第二光致变色反应可以通过具有第二波长的辐射诱导光致变色
染料的第二光反应基团中。