Fig. 1: Photoswitching of spiropyran.
From: On–off conduction photoswitching in modelled spiropyran-based metal-organic frameworks
The SP-MC isomerization with the visualization of the HOMO. The SP-to-MC isomerization typically occurs by UV light (λUV), while MC-to-SP occurs by thermal relaxation or irradiation with visible light (λvis). The C atoms are shown in brown, O in red, N in light blue, and H in white.
