The DOI matches its Crossref record; 80 of the 80 references it cites were found in a registry or an index.
A Facile Strategy to Construct Amorphous Spinel‐Based Electrocatalysts with Massive Oxygen Vacancies Using Ionic Liquid Dopant
Abstract
Oxygen vacancies are demonstrated to be beneficial to various electrocatalytic reactions. However, integrating oxygen vacancies into an amorphous catalyst with a large specific surface area, and investigating its effect on the oxygen evolution reaction remains a great challenge. Herein, oxygen vacancies are introduced into an amorphous N, P, and F tri‐doped CoFe 2 O 4 using ionic liquid as a dopant. Simultaneously, ultrafine MoS 2 nanoclusters are anchored onto its surface to increase the specific surface area. The vacancy‐rich MoS 2/NPF‐CoFe 2 O 4 exhibits an overpotential of 250 mV and a small Tafel slope of 41 mV dec−1, which is the best spinel‐based oxygen evolution reaction (OER) electrocatalysts so far. The excellent performance is attributed to massive oxygen vacancies, amorphous structure, large surface area, and synergistic coupling effects among active species. Density‐functional theory calculations reveal that the electronic structure of the catalyst can be modulated in the presence of heteroatoms and MoS 2 nanoclusters, and then the energy barriers of intermediates are decreased as well, which enhances the OER performance. This design not only provides a simple strategy to construct amorphous structures with abundant oxygen vacancies using ionic liquid‐dopants, but also presents an in‐depth insight into the OER mechanism in alkaline solution.
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Cites
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Cited by
Chatenet, M., Pollet, B. G., Dekel, D. R., Dionigi, F., Deseure, J., Millet, P., Braatz, R. D., Bazant, M. Z., Eikerling, M., Staffell, I., et al. (2022) · Chemical Society Reviews · doi:10.1039/d0cs01079k · Cited by 2,025
The roles of oxygen vacancies in electrocatalytic oxygen evolution reaction
Zhu, K., Shi, F., Zhu, X., & Yang, W. (2020) · Nano Energy · doi:10.1016/j.nanoen.2020.104761 · Cited by 1,018
Wang, Y., Yang, R., Ding, Y., Zhang, B., Li, H., Bai, B., Li, M., Cui, Y., Xiao, J., & Wu, Z.-S. (2023) · Nature Communications · doi:10.1038/s41467-023-37008-8 · Cited by 547
Oxygen vacancies in metal oxides: recent progress towards advanced catalyst design
Zhuang, G., Chen, Y., Zhuang, Z., Yu, Y., & Yu, J. (2020) · Science China Materials · doi:10.1007/s40843-020-1305-6 · Cited by 499
Qin, H., He, Y., Xu, P., Huang, D., Wang, Z., Wang, H., Wang, Z., Zhao, Y., Tian, Q., & Wang, C. (2021) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2021.102486 · Cited by 473
Metadata
- Authors
- Sun, J., Guo, N., Shao, Z., Huang, K., Li, Y., He, F., & Wang, Q.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2018-08-06
- Volume
- 8
- Issue
- 27
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2885462854
- Cited by
- 264
- References
- 80
- FWCI
- 7.07
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sun, J., Guo, N., Shao, Z., Huang, K., Li, Y., He, F., & Wang, Q. (2018). A Facile Strategy to Construct Amorphous Spinel‐Based Electrocatalysts with Massive Oxygen Vacancies Using Ionic Liquid Dopant. Advanced Energy Materials. https://doi.org/10.1002/aenm.201800980
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