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. Author manuscript; available in PMC: 2023 Jan 28.
Published in final edited form as: J Am Chem Soc. 2018 Sep 27;140(40):12741–12745. doi: 10.1021/jacs.8b09099

Figure 2.

Figure 2.

Normalized absorption and emission spectra of 1 (a and c, λEx = 565 nm) and 2 (b and d, λEx = 620 nm) in THF at 25 °C. Absorption spectra (e) of a THF solution of 1 (10 μM) recorded before and during irradiation (350 nm, 4.2 mW cm–2, 10 min).