Increasingly negative electric potential enhances the hydrogenation rates of aromatic carbonyl compounds on Pd. The interaction between the reactant and the metal is the main descriptor for different trends of hydrogenation and concurrent H2 evolution. Identical increases in thermo- and electro-catalytic reduction rates with decreasing pH show that neutral and charged hydrogen addition steps may occur. Proton coupled electron addition, however, dominates under applied electric potential. The increase in rates with decreasing pH is caused by a weakening of the metal-H bond.
«
Increasingly negative electric potential enhances the hydrogenation rates of aromatic carbonyl compounds on Pd. The interaction between the reactant and the metal is the main descriptor for different trends of hydrogenation and concurrent H2 evolution. Identical increases in thermo- and electro-catalytic reduction rates with decreasing pH show that neutral and charged hydrogen addition steps may occur. Proton coupled electron addition, however, dominates under applied electric potential. The inc...
»