The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Metal and Metal Oxide Interactions and Their Catalytic Consequences for Oxygen Reduction Reaction
Abstract
Many industrial catalysts are composed of metal particles supported on metal oxides (MMO). It is known that the catalytic activity of MMO materials is governed by metal and metal oxide interactions (MMOI), but how to optimize MMO systems via manipulation of MMOI remains unclear, due primarily to the ambiguous nature of MMOI. Herein, we develop a Pt/NbO x /C system with tunable structural and electronic properties via a modified arc plasma deposition method. We unravel the nature of MMOI by characterizing this system under reactive conditions utilizing combined electrochemical, microscopy, and in situ spectroscopy. We show that Pt interacts with the Nb in unsaturated NbO x owing to the oxygen deficiency in the MMO interface, whereas Pt interacts with the O in nearly saturated NbO x, and further interacts with Nb when the oxygen atoms penetrate into the Pt cluster at elevated potentials. While the Pt–Nb interactions do not benefit the inherent activity of Pt toward oxygen reduction reaction (ORR), the Pt–O interactions improve the ORR activity by shortening the Pt–Pt bond distance. Pt donates electrons to NbO x in both Pt–Nb and Pt–O cases. The resultant electron eficiency stabilizes low-coordinated Pt sites, hereby stabilizing small Pt particles. This determines the two characteristic features of MMO systems: dispersion of small metal particles and high catalytic durability. These findings contribute to our understandings of MMO catalytic systems.
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Strong metal-support interactions. Group 8 noble metals supported on titanium dioxide
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Cited by
Zhao, Y., Adiyeri Saseendran, D. P., Huang, C., Triana, C. A., Marks, W. R., Chen, H., Zhao, H., & Patzke, G. R. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00515 · Cited by 802
Defect and Interface Engineering for Aqueous Electrocatalytic CO2 Reduction
Wang, Y., Han, P., Lv, X., Zhang, L., & Zheng, G. (2018) · Joule · doi:10.1016/j.joule.2018.09.021 · Cited by 677
The 2020 plasma catalysis roadmap
Bogaerts, A., Tu, X., Whitehead, J. C., Centi, G., Lefferts, L., Guaitella, O., Azzolina-Jury, F., Kim, H.-H., Murphy, A. B., Schneider, W. F., et al. (2020) · Journal of Physics D: Applied Physics · doi:10.1088/1361-6463/ab9048 · Cited by 655
Kuang, P., Wang, Y., Zhu, B., Xia, F., Tung, C., Wu, J., Chen, H. M., & Yu, J. (2021) · Advanced Materials · doi:10.1002/adma.202008599 · Cited by 585
Catalyst Preparation with Plasmas: How Does It Work?
Wang, Z., Zhang, Y., Neyts, E. C., Cao, X., Zhang, X., Jang, B. W.-L., & Liu, C.-J. (2018) · ACS Catalysis · doi:10.1021/acscatal.7b03723 · Cited by 494
Metadata
- Authors
- Jia, Q., Ghoshal, S., Li, J., Liang, W., Meng, G., Che, H., Zhang, S., Ma, Z.-F., & Mukerjee, S.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-06-06
- Volume
- 139
- Issue
- 23
- Pages
- 7893-7903
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2618055412
- Cited by
- 190
- References
- 3
- FWCI
- 4.55
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jia, Q., Ghoshal, S., Li, J., Liang, W., Meng, G., Che, H., Zhang, S., Ma, Z.-F., & Mukerjee, S. (2017). Metal and Metal Oxide Interactions and Their Catalytic Consequences for Oxygen Reduction Reaction. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.7b02378
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