On the nature of Co_n^±/0 clusters reacting with water and oxygen.

ABSTRACT: Bulk cobalt does not react with water at room temperature, but cobalt nanometals could yield corrosion at ambient conditions. Insights into the cobalt cluster reactions with water and oxygen enable us to better understand the interface reactivity of such nanometals. Here we report a comprehensive study on the gas-phase reactions of Co_n^±/0 clusters with water and oxygen. All these Co_n^±/0 clusters were found to react with oxygen, but only anionic cobalt clusters give rise to water dissociation whereas the cationic and neutral ones are limited to water adsorption. We elucidate the influences of charge states, bonding modes and dehydrogenation mechanism of water on typical cobalt clusters. It is unveiled that the additional electron of anionic Co

SUBMITTER: Geng L 

PROVIDER: S-EPMC10981683 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature