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• W4220746909 abstract "Selective conversion of methane (CH4) into value-added chemicals represents a grand challenge for the efficient utilization of rising hydrocarbon sources. We report here dimeric copper centers supported on graphitic carbon nitride (denoted as Cu2@C3N4) as advanced catalysts for CH4 partial oxidation. The copper-dimer catalysts demonstrate high selectivity for partial oxidation of methane under both thermo- and photocatalytic reaction conditions, with hydrogen peroxide (H2O2) and oxygen (O2) being used as the oxidizer, respectively. In particular, the photocatalytic oxidation of CH4 with O2 achieves >10% conversion, and >98% selectivity toward methyl oxygenates and a mass-specific activity of 1399.3 mmol g Cu-1h-1. Mechanistic studies reveal that the high reactivity of Cu2@C3N4 can be ascribed to symphonic mechanisms among the bridging oxygen, the two copper sites and the semiconducting C3N4 substrate, which do not only facilitate the heterolytic scission of C-H bond, but also promotes H2O2 and O2 activation in thermo- and photocatalysis, respectively." @default.
• W4220746909 created "2022-04-03" @default.
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• W4220746909 date "2022-03-16" @default.
• W4220746909 modified "2023-10-06" @default.
• W4220746909 title "Oxo dicopper anchored on carbon nitride for selective oxidation of methane" @default.
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• W4220746909 doi "https://doi.org/10.1038/s41467-022-28987-1" @default.
• W4220746909 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35296655" @default.
• W4220746909 hasPublicationYear "2022" @default.
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