Fig. 4: Mechanism for the photoreduction of U(VI).

a High-resolution XPS spectra of U before and after photoreduction. b EPR spectra of XHOF-TAQ in the dark and under light irradiation. c Calculated SOMOs for the α and β spin profiles of XHOF-TAQ. d Calculated spin density distribution of XHOF-TAQ. e The valence band XPS for XHOF-TAQ. f Calculated density of electronic states for XHOF-TAQ.