Controlled O2reduction at a mixed-valent (II,I) Cu2S core | Zendy

Jordan Mangue | Zendy; Clément Gondre | Zendy; Jacques Pécaut | Zendy; Carole Duboc | Zendy; Stéphane Menage | Zendy; Stéphane Torelli | Zendy

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Controlled O₂reduction at a mixed-valent (II,I) Cu₂S core

Author(s) -

Jordan Mangue,

Clément Gondre,

Jacques Pécaut,

Carole Duboc,

Stéphane Menage,

Stéphane Torelli

Publication year - 2020

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/d0cc03987j

Subject(s) - selectivity , copper , reduction (mathematics) , oxygen , chemistry , catalysis , oxygen reduction , inorganic chemistry , materials science , crystallography , metallurgy , geometry , mathematics , biochemistry , organic chemistry , electrode , electrochemistry

Inspection of Oxygen Reduction Reactions (ORRs) using a mixed-valent Cu2S complex as a pre-catalyst revealed a tuneable H2O2vs. H2O production under mild conditions by controlling the amount of sacrificial reducer. The fully reduced bisCuI state is the main active species in solution, with fast kinetics. This new catalytic system is robust for H2O2 production with several cycles achieved and opens up perspectives for integration into devices.

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