Fig. 5. (a) Absorption of DASA 5 (λmax = 566 nm in chloroform) during a single photoswitching cycle of 45 s of irradiation with a LED with λmax of 567 nm. (b) Fitted populations of A, I and B using data in (a), where A = linear isomer; I = photoisomer, B = cyclic isomer. See ESI-29† for equivalent data for DASAs 1–14.
