Preparation of a Leaf-Like BiVO₄-Reduced Graphene Oxide Composite and Its Photocatalytic Activity

Figure 9

DMPO spin-trapping ESR spectra of BiVO₄-rGO during different times (a) in aqueous dispersion for and (b) in methanol dispersion for ^•OH; the DMPO spin-trapping ESR spectra of BiVO₄-rGO and BiVO₄ under Vis irradiation for 9 min (c) for and (d) for ^•OH.

(a)

(b)

(c)

(d)