Journal Article BiVO4-based heterojunctions CO2 conversions CO2 photoconversion NTU-9 microstructure S-scheme charge transfer Z-schemes atomic-level active sites defected ReSe2 nanosheets diclofenac dual ratiometric fluorescence dual redox sites dye photosensitization electron kinetics g-C3N4 g-C3N4 heterojunction g-C3N4 nanosheets g‐C3N4 nanosheet interface engineering phenanthrene detection photocatalytic CO2 reduction photocatalytic H2 evolution photoelectron modulation photogenerated electron transfer single Ni atoms single-atom Zn single-atom catalysis single‐atom Co visual detection water activation