The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.
Regulating the Coordination Environment of MOF‐Templated Single‐Atom Nickel Electrocatalysts for Boosting CO2 Reduction
Abstract
The general synthesis and control of the coordination environment of single‐atom catalysts (SACs) remains a great challenge. Herein, a general host–guest cooperative protection strategy has been developed to construct SACs by introducing polypyrrole (PPy) into a bimetallic metal–organic framework. As an example, the introduction of Mg 2+ in MgNi‐MOF‐74 extends the distance between adjacent Ni atoms; the PPy guests serve as N source to stabilize the isolated Ni atoms during pyrolysis. As a result, a series of single‐atom Ni catalysts (named Ni SA‐Nx‐C) with different N coordination numbers have been fabricated by controlling the pyrolysis temperature. Significantly, the Ni SA‐N 2‐C catalyst, with the lowest N coordination number, achieves high CO Faradaic efficiency (98 %) and turnover frequency (1622 h−1), far superior to those of Ni SA‐N 3‐C and Ni SA‐N 4‐C, in electrocatalytic CO 2 reduction. Theoretical calculations reveal that the low N coordination number of single‐atom Ni sites in Ni SA‐N 2‐C is favorable to the formation of COOH* intermediate and thus accounts for its superior activity.
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Cited by
Chemical Synthesis of Single Atomic Site Catalysts
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Dong, J., Han, X., Liu, Y., Li, H., & Cui, Y. (2020) · Angewandte Chemie International Edition · doi:10.1002/anie.202004796 · Cited by 561
Metadata
- Authors
- Gong, Y., Jiao, L., Qian, Y., Pan, C., Zheng, L., Cai, X., Liu, B., Yu, S., & Jiang, H.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2020-01-09
- Volume
- 59
- Issue
- 7
- Pages
- 2705-2709
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W3000519054
- Cited by
- 592
- References
- 55
- FWCI
- 14.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gong, Y., Jiao, L., Qian, Y., Pan, C., Zheng, L., Cai, X., Liu, B., Yu, S., & Jiang, H. (2020). Regulating the Coordination Environment of MOF‐Templated Single‐Atom Nickel Electrocatalysts for Boosting CO2 Reduction. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201914977
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