The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Influence of Oxygen Evolution during Water Oxidation on the Surface of Perovskite Oxide Catalysts
Abstract
Perovskites such as Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3−δ (BSCF82) can be highly active for the oxygen evolution reaction (OER) upon water oxidation in alkaline solution. Here we report that BSCF82 can quickly undergo amorphization of its surface at OER potentials, which is accompanied by reduced surface concentrations of Ba 2+ and Sr 2+ ions as well as increased pseudocapacitive and OER currents. Such quick amorphization during OER was also observed for perovskite catalysts with similar OER activities such as Ba 0.5 Sr 0.5 Co 0.4 Fe 0.6 O 3−δ and SrCo 0.8 Fe 0.2 O 3−δ . In contrast, perovskite oxides with lower OER activities than BSCF82 did not undergo this transformation when subjected to identical electrochemical conditions. These findings demonstrate that the active chemistry and structure of oxide catalysts during OER can significantly differ from those of the as-synthesized material and that understanding how the oxide surface may change and impact the OER activity is critical to the design of highly active and stable OER catalysts.
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Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces
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The Mechanism of Water Oxidation: From Electrolysis via Homogeneous to Biological Catalysis
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Self-citation
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Toward the rational design of non-precious transition metal oxides for oxygen electrocatalysis
Hong, W. T., Risch, M., Stoerzinger, K. A., Grimaud, A., Suntivich, J., & Shao-Horn, Y. (2015) · Energy & Environmental Science · doi:10.1039/c4ee03869j · Cited by 2,089
Self-citationChatenet, 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
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Metadata
- Authors
- May, K. J., Carlton, C. E., Stoerzinger, K. A., Risch, M., Suntivich, J., Lee, Y.-L., Grimaud, A., & Shao-Horn, Y.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-10-25
- Volume
- 3
- Issue
- 22
- Pages
- 3264-3270
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2327407532
- Cited by
- 707
- References
- 5
- FWCI
- 10.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- May, K. J., Carlton, C. E., Stoerzinger, K. A., Risch, M., Suntivich, J., Lee, Y.-L., Grimaud, A., & Shao-Horn, Y. (2012). Influence of Oxygen Evolution during Water Oxidation on the Surface of Perovskite Oxide Catalysts. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz301414z
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