fig7

A novel structure Ti/Fe<sub>2</sub>O<sub>3</sub>/Cu<sub>2</sub>S/Co(OH)<sub>x</sub> enhances the photoelectrochemical water splitting performance of iron oxide

Figure 7. (A and B) Photocurrent density vs. the monochromatic light; (C and D) Derived IPCE (%) spectra of samples under different bias. IPCE: Incident monochromatic photon electron conversion efficiency.