Fig. 2 | Nature Communications

Fig. 2

From: The photoregulation of a mechanochemical polymer scission

Fig. 2

Model photoregulation reaction of (DAE-open/DA)-diol. a Reversible photoisomerization of DAE/DA-diol. b Time dependence of the UV–vis absorption spectra of an acetonitrile solution of DAE/DA-diol (22.7 µmol L–1) under irradiation with UV light (λ = 313 nm). c Time dependence of the absorption at 437 nm under irradiation with UV light (λ = 313 nm). d Absorption changes at 437 nm under alternating irradiation with UV (313 nm; 1 h) and visible light (> 440 nm; 10 min)

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