Fig. 6. Surface reaction over chiral and achiral ZnO.
a The calculated electron transfer number as a function of applied potentials via photoelectrochemical rotating ring-disk electrode measurement. b The amount of hydrogen peroxide with o-tolidine indicator detected by UV-vis absorption spectra. c EPR spectra of DMPO−∙OH adducts in photocatalysis. d Schematic representation of spin-polarized surface reaction. Source data are provided as a Source Data file.