The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Binary Au–Cu Reaction Sites Decorated ZnO for Selective Methane Oxidation to C1 Oxygenates with Nearly 100% Selectivity at Room Temperature
Open accessAbstract
Direct and efficient oxidation of methane to methanol and the related liquid oxygenates provides a promising pathway for sustainable chemical industry, while still remaining an ongoing challenge owing to the dilemma between methane activation and overoxidation. Here, ZnO with highly dispersed dual Au and Cu species as cocatalysts enables efficient and selective photocatalytic conversion of methane to methanol and one-carbon (C1) oxygenates using O 2 as the oxidant operated at ambient temperature. The optimized AuCu–ZnO photocatalyst achieves up to 11225 μmol·g –1 ·h –1 of primary products (CH 3 OH and CH 3 OOH) and HCHO with a nearly 100% selectivity, resulting in a 14.1% apparent quantum yield at 365 nm, much higher than the previous best photocatalysts reported for methane conversion to oxygenates. In situ EPR and XPS disclose that Cu species serve as photoinduced electron mediators to promote O 2 activation to • OOH, and simultaneously that Au is an efficient hole acceptor to enhance H 2 O oxidation to • OH, thus synergistically promoting charge separation and methane transformation. This work highlights the significances of co-modification with suitable dual cocatalysts on simultaneous regulation of activity and selectivity.
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Cites
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All-solid-state Z-scheme in CdS–Au–TiO2 three-component nanojunction system
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Selective anaerobic oxidation of methane enables direct synthesis of methanol
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Hydrophobic zeolite modification for in situ peroxide formation in methane oxidation to methanol
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Reversible and cooperative photoactivation of single-atom Cu/TiO2 photocatalysts
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Strong Metal–Support Interactions between Gold Nanoparticles and ZnO Nanorods in CO Oxidation
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Undesired Role of Sacrificial Reagents in Photocatalysis
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Surface Coordination Chemistry of Atomically Dispersed Metal Catalysts
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Cited by
Enabling Specific Photocatalytic Methane Oxidation by Controlling Free Radical Type
Jiang, Y., Li, S., Wang, S., Zhang, Y., Long, C., Xie, J., Fan, X., Zhao, W., Xu, P., Fan, Y., et al. (2023) · Journal of the American Chemical Society · doi:10.1021/jacs.2c13313 · Cited by 341
Metadata
- Authors
- Luo, L., Gong, Z., Xu, Y., Ma, J., Liu, H., Xing, J., & Tang, J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2021-12-20
- Volume
- 144
- Issue
- 2
- Pages
- 740-750
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W4200383387
- Cited by
- 298
- References
- 42
- FWCI
- 7.03
- Type
- journal article
- Language
- en
- Open access
- green
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- Luo, L., Gong, Z., Xu, Y., Ma, J., Liu, H., Xing, J., & Tang, J. (2022). Binary Au–Cu Reaction Sites Decorated ZnO for Selective Methane Oxidation to C1 Oxygenates with Nearly 100% Selectivity at Room Temperature. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.1c09141
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