The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Bismuth Single Atoms Resulting from Transformation of Metal–Organic Frameworks and Their Use as Electrocatalysts for CO2 Reduction
Abstract
The electrocatalytic reduction reaction of CO 2 (CO 2 RR) is a promising strategy to promote the global carbon balance and combat global climate change. Herein, exclusive Bi-N 4 sites on porous carbon networks can be achieved through thermal decomposition of a bismuth-based metal–organic framework (Bi-MOF) and dicyandiamide (DCD) for CO 2 RR. Interestingly, in situ environmental transmission electron microscopy (ETEM) analysis not only directly shows the reduction from Bi-MOF into Bi nanoparticles (NPs) but also exhibits subsequent atomization of Bi NPs assisted by the NH 3 released from the decomposition of DCD. Our catalyst exhibits high intrinsic CO 2 reduction activity for CO conversion, with a high Faradaic efficiency (FE CO up to 97%) and high turnover frequency of 5535 h –1 at a low overpotential of 0.39 V versus reversible hydrogen electrode. Further experiments and density functional theory results demonstrate that the single-atom Bi-N 4 site is the dominating active center simultaneously for CO 2 activation and the rapid formation of key intermediate COOH* with a low free energy barrier.
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Chemical Synthesis of Single Atomic Site Catalysts
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Self-citationElectrocatalysis for CO 2 conversion: from fundamentals to value-added products
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Self-citationBismuthene for highly efficient carbon dioxide electroreduction reaction
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Metadata
- Authors
- Zhang, E., Wang, T., Yu, K., Liu, J., Chen, W., Li, A., Rong, H., Lin, R., Ji, S., Zheng, X., Wang, Y., Zheng, L., Chen, C., Wang, D., Zhang, J., & Li, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-10-05
- Volume
- 141
- Issue
- 42
- Pages
- 16569-16573
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2978740149
- Cited by
- 763
- References
- 9
- FWCI
- 17.52
- Type
- journal article
- Language
- en
- Open access
- closed
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