Experimental Investigation of Nickel-Based Co-Catalysts for Photoelectrochemical Water Splitting Using Hematite and Cupric Oxide Nanostructured Electrodes.

ABSTRACT: Growing interest in sustainable hydrogen production has brought renewed attention to photoelectrochemical (PEC) water splitting as a promising route for direct solar-to-chemical energy conversion. This study explores how integrating hematite (α-Fe₂O₃) and cupric oxide (CuO) photoelectrodes with a series of nickel-based co-catalysts can improve photoelectrochemical activity. Photoanodic (NiO_x, NiFeO_x, NiWO₄) and photocathodic (Ni, NiCu, NiMo) co-catalysts were synthesized via co-precipitation and mechanochemical methods and characterized through X-ray Diffraction (XRD), X-ray Fluorescence (XRF), Transmission Electron Microscopy-Energy Dispersive X-ray Spectroscopy (TEM-EDX), Scanning Electron Microscopy-Energy Dispersive X-ray Spectrosc

SUBMITTER: Mancuso MA 

PROVIDER: S-EPMC12566993 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature