In Search of Excellence: Convex versus Concave Noble Metal Nanostructures for Electrocatalytic Applications

Controlling the shape of noble metal nanoparticles is a challenging but important task in electrocatalysis. Apart from hollow and nanocage structures, concave are considered new class unconventional electrocatalysts that exhibit superior electrocatalytic properties as compared with those conventional (including convex flat ones). Herein, several facile highly reproducible routes for synthesizing nanostructured materials reported literature discussed, together their advantages over shapes. In addition, possible ways optimizing synthesis procedure enhancing characteristics suggested. Nanostructured metals features found to show better catalytic activity stability hence improve practical applicability