Figure 1.
Photo-isomerization mechanism of photochromic molecules: (a) azobenzene; (b) stilbene; and (c) spiropyrane.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.