The DOI matches its Crossref record; 115 of the 115 references it cites were found in a registry or an index.
Ceria Catalysts at Nanoscale: How Do Crystal Shapes Shape Catalysis?
Open accessAbstract
Engineering the shape and size of catalyst particles and the interface between different components of heterogeneous catalysts at the nanometer level can radically alter their performances. This is particularly true with CeO 2 -based catalysts, where the precise control of surface atomic arrangements can modify the reactivity of Ce 4+ /Ce 3+ ions, changing the oxygen release/uptake characteristics of ceria, which, in turn, strongly affects catalytic performance in several reactions like CO, soot, and VOC oxidation, WGS, hydrogenation, acid–base reactions, and so on. Despite the fact that many of these catalysts are polycrystalline with rather ill-defined morphologies, experimental and theoretical studies on well-defined nanocrystals have clearly established that the exposure of specific facets can increase/decrease surface oxygen reactivity and metal–support interaction (for supported metal nanoparticles), consequently affecting catalytic reactions. Here, we want to address the most recent developments in this area, showing that shape (and size) modification, surface/face reconstruction, and faceting of ceria at the nanoscale level can offer an important tool to govern activity and stability in several reactions and imagine how this could contribute to future developments.
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Metadata
- Authors
- Trovarelli, A., & Llorca, J.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-06-16
- Volume
- 7
- Issue
- 7
- Pages
- 4716-4735
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2623795207
- Cited by
- 781
- References
- 115
- FWCI
- 30.04
- Type
- journal article
- Language
- en
- Open access
- green
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