The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.
Ultrathin Iron‐Cobalt Oxide Nanosheets with Abundant Oxygen Vacancies for the Oxygen Evolution Reaction
Abstract
Electrochemical water splitting is a promising method for storing light/electrical energy in the form of H 2 fuel; however, it is limited by the sluggish anodic oxygen evolution reaction (OER). To improve the accessibility of H 2 production, it is necessary to develop an efficient OER catalyst with large surface area, abundant active sites, and good stability, through a low‐cost fabrication route. Herein, a facile solution reduction method using NaBH 4 as a reductant is developed to prepare iron‐cobalt oxide nanosheets (FexCoy‐ONSs) with a large specific surface area (up to 261.1 m 2 g−1), ultrathin thickness (1.2 nm), and, importantly, abundant oxygen vacancies. The mass activity of Fe 1 Co 1‐ONS measured at an overpotential of 350 mV reaches up to 54.9 A g−1, while its Tafel slope is 36.8 mV dec−1; both of which are superior to those of commercial RuO 2, crystalline Fe 1 Co 1‐ONP, and most reported OER catalysts. The excellent OER catalytic activity of Fe 1 Co 1‐ONS can be attributed to its specific structure, e.g., ultrathin nanosheets that could facilitate mass diffusion/transport of OH− ions and provide more active sites for OER catalysis, and oxygen vacancies that could improve electronic conductivity and facilitate adsorption of H 2 O onto nearby Co 3+ sites.
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Cited by
A review on fundamentals for designing oxygen evolution electrocatalysts
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Oxygen Evolution Reaction in Alkaline Environment: Material Challenges and Solutions
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Oxygen Vacancy Promoted O2 Activation over Perovskite Oxide for Low-Temperature CO Oxidation
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Metadata
- Authors
- Zhuang, L., Ge, L., Yang, Y., Li, M., Jia, Y., Yao, X., & Zhu, Z.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2017-02-27
- Volume
- 29
- Issue
- 17
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2591816155
- Cited by
- 1,456
- References
- 41
- FWCI
- 41.56
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Funders
- Australian Research Council (DP130102151, DP170103317)
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- Zhuang, L., Ge, L., Yang, Y., Li, M., Jia, Y., Yao, X., & Zhu, Z. (2017). Ultrathin Iron‐Cobalt Oxide Nanosheets with Abundant Oxygen Vacancies for the Oxygen Evolution Reaction. Advanced Materials. https://doi.org/10.1002/adma.201606793
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