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IrO2 Coated on RuO2 as Efficient and Stable Electroactive Nanocatalysts for Electrochemical Water Splitting
Abstract
With the aim of obtaining a highly stable and active catalyst for oxygen evolution reaction (OER), a core–shell-like IrO 2 @RuO 2 material was synthesized by using a surface modification/precipitation method in ethanol medium. The comparison of this catalyst with pure RuO 2 and pure IrO 2 showed that the obtained mixed oxide catalyst displayed the highest amount of active sites as well as a good accessibility for water. Moreover, this catalyst was shown to be highly stable toward repetitive redox cycling. Polarization curves of the three catalysts showed that the IrO 2 @RuO 2 was the most active for the OER due to the large number and high accessibility of active sites. These catalytic benefic effects are attributed to an intimate contact between the two oxides in the IrO 2 -covered RuO 2 nanocatalyst that combines the RuO 2 intrinsic activity and the IrO 2 stability. The present study contributes therefore to the rational design of efficient and stable electrocatalysts for water splitting in acidic media.
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Citations
Cited by
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
Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting
Quan, L., Jiang, H., Mei, G., Sun, Y., & You, B. (2024) · Chemical Reviews · doi:10.1021/acs.chemrev.3c00332 · Cited by 874
Recent Advances and Prospective in Ruthenium-Based Materials for Electrochemical Water Splitting
Yu, J., He, Q., Yang, G., Zhou, W., Shao, Z., & Ni, M. (2019) · ACS Catalysis · doi:10.1021/acscatal.9b02457 · Cited by 789
Lin, Y., Tian, Z., Zhang, L., Ma, J., Jiang, Z., Deibert, B. J., Ge, R., & Chen, L. (2019) · Nature Communications · doi:10.1038/s41467-018-08144-3 · Cited by 734
Chen, S., Huang, H., Jiang, P., Yang, K., Diao, J., Gong, S., Liu, S., Huang, M., Wang, H., & Chen, Q. (2020) · ACS Catalysis · doi:10.1021/acscatal.9b04922 · Cited by 574
Metadata
- Authors
- Audichon, T., Napporn, T. W., Canaff, C., Morais, C., Comminges, C., & Kokoh, K. B.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-02-01
- Volume
- 120
- Issue
- 5
- Pages
- 2562-2573
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2272848970
- Cited by
- 519
- References
- 0
- FWCI
- 12.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: IrO2 Coated on RuO2 as Efficient and Stable Electroactive Nanocatalysts for Electrochemical Water Splitting. https://app.cochat.ai/papers/10.1021/acs.jpcc.5b11868
- The paper
- Audichon, T., Napporn, T. W., Canaff, C., Morais, C., Comminges, C., & Kokoh, K. B. (2016). IrO2 Coated on RuO2 as Efficient and Stable Electroactive Nanocatalysts for Electrochemical Water Splitting. The Journal of Physical Chemistry C. https://doi.org/10.1021/acs.jpcc.5b11868
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