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. 2016 May 10;6:25605. doi: 10.1038/srep25605

Figure 2. Differential reflectance spectroscopy (DRS) of P1-nanofibers during photoisomerization.

Figure 2

(a) Reversible switching of an azobenzene nanofiber sample is apparent from a 3D graph of the optical differential reflectance during three switching cycles. Cross sections at fixed time as a function of the energy yield DRS spectra (b) and cross sections at 3.5 eV as a function of time allow for determination of the rate of Z → E isomerization (c).