Synergistic Effects of the Rh-S Bond and Spatially Separated Dual Cocatalysts on Photocatalytic Overall Water Splitting Activity of ZnIn2S4 Nanosheets under Visible Light Irradiation

Photodeposition of dual-cocatalysts Pt-Cr or Rh-Cr on the surface of ZnIn2S4 is used to achieve overall water splitting. Compared with the hybrid loading of the Pt element and Cr element, the formation of the Rh-S bond results in space separation of the Rh element and Cr element. The Rh-S bond and space separation of cocatalysts promote the transfer of bulk carriers to the surface and inhibit self-corrosion.