![]() This observation suggests a method to develop catalysts with high selectivity. View Yue Zhang’s profile on LinkedIn, the world’s largest professional community. Here we report that isolated Rh1Co3 bimetallic sites exhibit a distinctly different catalytic performance in reduction of nitric oxide with carbon monoxide at low temperature, resulting from strong adsorption of two nitric oxide molecules and a nitrous oxide intermediate on Rh1Co3 sites and following a low-barrier pathway dissociation to dinitrogen and an oxygen atom. ![]() ![]() An isolated bimetallic site supported on a non-metallic surface could exhibit a distinctly different catalytic performance owing to the cationic state of the singly dispersed bimetallic site and the minimized choices of binding configurations of a reactant molecule compared with continuously packed bimetallic sites. Antibiotic degradation dominates the removal of antibiotic resistance genes during composting. The catalytic activity of adjacent bimetallic sites of metallic nanoparticles has been studied previously. A catalytic site typically consists of one or more atoms of a catalyst surface that arrange into a configuration offering a specific electronic structure for adsorbing or dissociating reactant molecules.
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