Electronic Modulation and Interface Engineering via Amorphous Ceria for Enhanced OER in NiMoO₄ Heterostructures

Key Points

• The research investigates how amorphous ceria enhances the oxygen evolution reaction (OER) activity of NiMoO₄.
• Examined the role of Ce⁴⁺-O-Ni species in the catalytic process.
• Analyzed electronic structure changes due to amorphous ceria integration.
• Utilized various characterization techniques to assess catalyst performance.
• Discovery of Ce⁴⁺-O-Ni species contributing to improved OER efficiency.
• Enhanced electronic structure promotes better charge transfer.
• Significant increase in OER activity compared to NiMoO₄ alone.