Enzyme-mimetic functional synergistic strategy of Mn-based spinel catalysts: Regulating oxygen vacancies and radical pathways to promote photocatalytic methane oxidation to C1-C2 oxygenates

Rui Tian

doi:10.1016/j.apcatb.2025.125977

Enzyme-mimetic functional synergistic strategy of Mn-based spinel catalysts: Regulating oxygen vacancies and radical pathways to promote photocatalytic methane oxidation to C1-C2 oxygenates

2025-09-17

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R

Rui Tian

S

Shiying Fan

陈国华 (Guohua Chen)

X

Xinyong Li *

DOI：10.1016/j.apcatb.2025.125977

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• Proposed to regulate ·OH and ·O₂⁻ via non-noble metal synergistic regulation.. • 3W20F-ZnMn₂O₄ achieves high yield (442.02 μmol·g⁻¹·h⁻¹) and high selectivity (98.6 %) at ambient temperature and pressure. • The formation of ethanol shows a stronger dependence on ·OH generated from the dissociation of water molecules. • Methanol and methyl hydroperoxide formation relies more on reactive oxygen species from oxygen activation.

Enzyme-mimetic functional synergistic strategy of Mn-based spinel catalysts: Regulating oxygen vacancies and radical pathways to promote photocatalytic methane oxidation to C1-C2 oxygenates

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