Single-entity Electrochemistry Unveils Dynamic Transformation during Tandem Catalysis of Cu₂ O and Co₃ O₄ for Converting NO₃ ^- to NH₃.

ABSTRACT: Electrochemically converting nitrate to ammonia is an essential and sustainable approach to restoring the globally perturbed nitrogen cycle. The rational design of catalysts for the nitrate reduction reaction (NO₃ RR) based on a detailed understanding of the reaction mechanism is of high significance. We report a Cu₂ O+Co₃ O₄ tandem catalyst which enhances the NH₃ production rate by ≈2.7-fold compared to Co₃ O₄ and ≈7.5-fold compared with Cu₂ O, respectively, however, most importantly, we precisely place single Cu₂ O and Co₃ O₄ cube-shaped nanoparticles individually and together on carbon nanoelectrodes provide insight into the mechanism of the tandem catalysis. The stru

SUBMITTER: Zhang J 

PROVIDER: S-EPMC10108016 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature