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Morphology control of ceria nanocrystals for catalytic conversion of CO2 with methanol
Abstract
This paper describes the synthesis of ceria catalysts with octahedron, nanorod, nanocube and spindle-like morphologies via a template-free hydrothermal method. The surface morphologies, crystal plane and physical-chemical structures were investigated via field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and temperature-programmed desorption of ammonia and carbon dioxide (NH3-TPD and CO2-TPD). The catalytic performance over these ceria catalysts with different exposed planes were tested for dimethyl carbonate (DMC) synthesis from CO2 and methanol. The results showed that the spindle-like CeO2 showed the highest DMC yields, followed by nano-rods, nano-cubes and nano-octahedrons. A synergism among the exposed (111) plane, defect sites, and acid-basic sites was proposed to be crucial to obtaining the high reactivity of DMC formation.
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Citations
Cites
Recent advances in catalytic hydrogenation of carbon dioxide
Wang, W., Wang, S., Ma, X., & Gong, J. (2011) · Chemical Society Reviews · doi:10.1039/c1cs15008a · Cited by 3,316
Self-citation
Cited by
Fundamentals and Catalytic Applications of CeO 2 -Based Materials
Montini, T., Melchionna, M., Monai, M., & Fornasiero, P. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00603 · Cited by 2,766
Ceria Catalysts at Nanoscale: How Do Crystal Shapes Shape Catalysis?
Trovarelli, A., & Llorca, J. (2017) · ACS Catalysis · doi:10.1021/acscatal.7b01246 · Cited by 781
Zaera, F. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00905 · Cited by 425
Recent advances in dialkyl carbonates synthesis and applications
Huang, S., Yan, B., Wang, S., & Ma, X. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00374h · Cited by 356
Self-citationStructure-dependent activity of CeO2 supported Ru catalysts for CO2 methanation
Sakpal, T., & Lefferts, L. (2018) · Journal of Catalysis · doi:10.1016/j.jcat.2018.08.027 · Cited by 282
Metadata
- Authors
- Wang, S., Zhao, L., Wang, W., Zhao, Y., Zhang, G., Ma, X., & Gong, J.
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2013
- Volume
- 5
- Issue
- 12
- Pages
- 5582
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2166319170
- Cited by
- 314
- References
- 1
- FWCI
- 6.20
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, S., Zhao, L., Wang, W., Zhao, Y., Zhang, G., Ma, X., & Gong, J. (2013). Morphology control of ceria nanocrystals for catalytic conversion of CO2 with methanol. Nanoscale. https://doi.org/10.1039/c3nr00831b
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
