Ultrasmall Nanoparticles (USNPs) of Iridium Precipitated with Base Media for Application in Acidic Water Electrolysis

Key Points

• The aim is to explore the use of ultrasmall iridium nanoparticles as an effective electrocatalyst for acidic water electrolysis.
• Synthesis of iridium nanoparticles using base media precipitation.
• Characterization of nanoparticle properties for electrocatalysis analysis.
• Achieved enhanced electrocatalytic performance in acidic conditions compared to larger particles.
• Proposed a general strategy for synthesizing various platinum-group-metal-based ultrasmall nanoparticles.