Fig. 3: UV–Vis spectral traces of the stepwise photochromic reactions of complex 1. | Nature Communications

Fig. 3: UV–Vis spectral traces of the stepwise photochromic reactions of complex 1.

From: Photocontrolled multiple-state photochromic benzo[b]phosphole thieno[3,2-b]phosphole-containing alkynylgold(I) complex via selective light irradiation

Fig. 3

a Photocyclization reaction of 1-oo to form 1-oc upon excitation of visible light at ca. 440 nm. b Photocyclization reaction of 1-oc to form 1-cc upon UV excitation at ca. 300 nm. c Photocycloreversion reaction of 1-cc to form 1-co upon excitation of visible light at ca. 500 nm. d Photocycloreversion reaction of 1-co to form 1-oo upon excitation of visible light at ca. 580 nm. e Simultaneous photocyclization reactions of 1-oo to form 1-cc upon UV excitation. f Simultaneous photocycloreversion reactions of 1-cc to form 1-oo upon excitation of visible light at ca. 550 nm.

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