The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Iridium Oxide for the Oxygen Evolution Reaction: Correlation between Particle Size, Morphology, and the Surface Hydroxo Layer from Operando XAS
Abstract
A current challenge faced in water electrolysis is the development of structure–activity relationships for understanding and improving IrO x -based catalysts for the oxygen evolution reaction (OER). We report a simple and scalable modified Adams fusion method for preparing highly OER active, chlorine–free iridium oxide nanoparticles of various size and shape. The applied approach allows for the effects of particle size, morphology, and the nature of the surface species on the OER activity of IrO 2 to be investigated. Iridium oxide synthesized at 350 °C from Ir(acac) 3, consisting of 1.7 ± 0.4 nm particles with a specific surface area of 150 m 2 g –1, shows the highest OER activity ( E = 1.499 ± 0.003 V at 10 A g ox –1 ). Operando X-ray absorption spectroscopy (XAS) and X-ray photoelectron spectroscopy (XPS) studies indicate the presence of iridium hydroxo (Ir–OH) surface species, which are strongly linked to the OER activity. Preparation of larger IrO 2 particles using higher temperatures results in a change of the particle morphology from spherical to rod-shaped particles. A decrease of the intrinsic OER activity was associated with the predominant termination of the rod-shape particles by highly ordered (110) facets in addition to limited diffusion within mesoporous features.
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Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces
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Hydrogen Oxidation and Evolution Reaction Kinetics on Platinum: Acid vs Alkaline Electrolytes
Sheng, W., Gasteiger, H. A., & Shao-Horn, Y. (2010) · Journal of The Electrochemical Society · doi:10.1149/1.3483106 · Cited by 1,829
Developments and perspectives of oxide-based catalysts for the oxygen evolution reaction
Fabbri, E., Habereder, A., Waltar, K., Kötz, R., & Schmidt, T. J. (2014) · Catal. Sci. Technol. · doi:10.1039/c4cy00669k · Cited by 1,303
Self-citationCharacterization of High‐Surface‐Area Electrocatalysts Using a Rotating Disk Electrode Configuration
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Electrocatalysis for the oxygen evolution reaction: recent development and future perspectives
Suen, N.-T., Hung, S.-F., Quan, Q., Zhang, N., Xu, Y.-J., & Chen, H. M. (2017) · Chemical Society Reviews · doi:10.1039/c6cs00328a · Cited by 6,307
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Metallic nanostructures with low dimensionality for electrochemical water splitting
Li, L., Wang, P., Shao, Q., & Huang, X. (2020) · Chemical Society Reviews · doi:10.1039/d0cs00013b · Cited by 1,049
The stability number as a metric for electrocatalyst stability benchmarking
Geiger, S., Kasian, O., Ledendecker, M., Pizzutilo, E., Mingers, A. M., Fu, W. T., Diaz-Morales, O., Li, Z., Oellers, T., Fruchter, L., et al. (2018) · Nature Catalysis · doi:10.1038/s41929-018-0085-6 · Cited by 1,045
Nong, H. N., Reier, T., Oh, H.-S., Gliech, M., Paciok, P., Vu, T. H. T., Teschner, D., Heggen, M., Petkov, V., Schlögl, R., et al. (2018) · Nature Catalysis · doi:10.1038/s41929-018-0153-y · Cited by 658
Metadata
- Authors
- Abbott, D. F., Lebedev, D., Waltar, K., Povia, M., Nachtegaal, M., Fabbri, E., Copéret, C., & Schmidt, T. J.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-09-06
- Volume
- 28
- Issue
- 18
- Pages
- 6591-6604
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2509104377
- Cited by
- 492
- References
- 5
- FWCI
- 10.01
- Type
- journal article
- Language
- en
- Open access
- closed
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- Abbott, D. F., Lebedev, D., Waltar, K., Povia, M., Nachtegaal, M., Fabbri, E., Copéret, C., & Schmidt, T. J. (2016). Iridium Oxide for the Oxygen Evolution Reaction: Correlation between Particle Size, Morphology, and the Surface Hydroxo Layer from Operando XAS. Chemistry of Materials. https://doi.org/10.1021/acs.chemmater.6b02625
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