Figure 2

(a) The UV-Vis spectra of the reactants (PA and NB) and the output spectrum of the purple LED light. (b) The EPR spectra of the mixed solution of NB and PA in the presence and absence of light irradiation.

(a) The UV-Vis spectra of the reactants (PA and NB) and the output spectrum of the purple LED light. (b) The EPR spectra of the mixed solution of NB and PA in the presence and absence of light irradiation.