Atomically intimate assembly of dual metal–oxide interfaces for tandem conversion of syngas to ethanol
Abstract
Selective conversion of syngas to value-added higher alcohols (containing two or more carbon atoms), particularly to a specific alcohol, is of great interest but remains challenging. Here we show that atomically intimate assembly of FeO x -Rh-ZrO 2 dual interfaces by selectively architecting highly dispersed FeO x on ultrafine raft-like Rh clusters supported on tetragonal zirconia enables highly efficient tandem conversion of syngas to ethanol. The ethanol selectivity in oxygenates reached ~90% at CO conversion up to 51%, along with a markedly high space-time yield of ethanol of 668.2 mg g cat -1 h -1 . In situ spectroscopic characterization and theoretical calculations reveal that Rh-ZrO 2 interface promotes dissociative CO activation into CH x through a formate pathway, while the adjacent Rh-FeO x interface accelerates subsequent C-C coupling via nondissociative CO insertion. Consequently, these dual interfaces in atomic-scale proximity with complementary functionalities synergistically boost the exclusive formation of ethanol with exceptional productivity in a tandem manner.
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Adsorbed reaction intermediates in heterostructures can undergo spillover between adjacent components once a critical surface coverage is reached.
“adsorbed reaction intermediates in heterostructures can undergo spillover between adjacent components once a critical surface coverage is reached.16−18”
From High-Entropy Alloy Aerogels with High-Density Solid–Solid Heterointerfaces for Alkaline Hydrogen Evolution (2026) · cites this paper as [17]
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References 66 · Cited by 50
- Authors
- Li, S., Feng, L., Wang, H., Lin, Y., Sun, Z., Xu, L., Xu, Y., Liu, X., Li, W.-X., Wei, S., Liu, J.-X., & Lu, J.
- Affiliations
- University of Science and Technology of China (CN)
- ORCID
- Venue
- Nature Nanotechnology
- Published
- 2024-11-25
- Volume
- 20
- Issue
- 2
- Pages
- 255-264
- ISSN
- 1748-3387 (ISSN-L)
- 1748-3395
- OpenAlex
- W4404699976
- Cited by
- 50
- References
- 66
- Citations by year
- 2026: 27 · 2025: 21 · 2024: 2
- FWCI
- 3.28
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Nature Nanotechnology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- China Postdoctoral Science Foundation (2021M693057)
- Natural Science Foundation of Anhui Province (2208085QB47 and 2108085QB62)
- Topics
- Physical Sciences › Chemical Engineering › Catalysis › Catalysts for Methane Reforming
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
- Keywords
- C–C coupling, tandem catalysis, ethanol selectivity, electrocatalysis
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