Sequential Surface Synthesis of Dispersed Sub-Nanometer Iridium on Titanium Nitride for Acidic Water Oxidation

Key Points

• The aim is to enhance the utilization of iridium in acidic water oxidation while maintaining high performance in the oxygen evolution reaction.
• Utilized titanium nitride as a conductive support for iridium immobilization.
• Employed sequential surface synthesis techniques to create a dispersed iridium structure.
• Assessed the electrochemical performance in acidic water environments.
• Achieved significant improvement in oxygen evolution reaction efficiency with dispersed iridium.
• Demonstrated high stability of the iridium on titanium nitride during acidic electrolysis.
• Maximized iridium utilization while maintaining high catalytic activity.