Figure 4. up: Spectral evolution of the AZOt - AZOc isomerization under irradiation at 366 nm (left), 420 nm (middle), and 366 nm (right). [AZOt]0 = 5.45x10 -5 mol.L-1 ; The arrows indicate the sense of evolution of the spectrum, the vertical lines indicate the irradiation wavelengths. down: Absorbance at 366 and 420 nm for three successive runs starting from AZOt and irradiated at: = 366 nm (left), = 420 nm (middle), = 366 nm (right). Dots: experiment; continuous line: simulation.
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