Engineering multi-component selenide heterostructures with interfacial electronic interaction for efficient and stable acidic hydrogen evolution reaction electrocatalysis

Key Points

• The aim is to develop a heterostructure that improves the efficiency of the acidic hydrogen evolution reaction through electronic regulation.
• Developed Ru–CoSe₂/MoSe₂@MXene heterostructure
• Analyzed the effect of CoSe₂/MoSe₂ heterointerface on electron transfer
• Assessed stability and efficiency in acidic environments.
• The heterostructure exhibits enhanced electrocatalytic activity for the hydrogen evolution reaction.
• Directional electron transfer is induced at the CoSe₂/MoSe₂ interface, improving efficiency.
• Ru doping contributes to increased stability during electrocatalysis.