The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.
Structure/Processing/Properties Relationships in Nanoporous Nanoparticles As Applied to Catalysis of the Cathodic Oxygen Reduction Reaction
Abstract
We present a comprehensive experimental study of the formation and activity of dealloyed nanoporous Ni/Pt alloy nanoparticles for the cathodic oxygen reduction reaction. By addressing the kinetics of nucleation during solvothermal synthesis we developed a method to control the size and composition of Ni/Pt alloy nanoparticles over a broad range while maintaining an adequate size distribution. Electrochemical dealloying of these size-controlled nanoparticles was used to explore conditions in which hierarchical nanoporosity within nanoparticles can evolve. Our results show that in order to evolve fully formed porosity, particles must have a minimum diameter of ∼15 nm, a result consistent with the surface kinetic processes occurring during dealloying. Nanoporous nanoparticles possess ligaments and voids with diameters of approximately 2 nm, high surface area/mass ratios usually associated with much smaller particles, and a composition consistent with a Pt-skeleton covering a Ni/Pt alloy core. Electrochemical measurements show that the mass activity for the oxygen reduction reaction using carbon-supported nanoporous Ni/Pt nanoparticles is nearly four times that of commercial Pt/C catalyst and even exceeds that of comparable nonporous Pt-skeleton Ni/Pt alloy nanoparticles.
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Cites
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Improved Oxygen Reduction Activity on Pt 3 Ni(111) via Increased Surface Site Availability
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Cited by
Recent Advances in Electrocatalysts for Oxygen Reduction Reaction
Shao, M., Chang, Q., Dodelet, J.-P., & Chenitz, R. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00462 · Cited by 3,903
Recent advancements in Pt and Pt-free catalysts for oxygen reduction reaction
Nie, Y., Li, L., & Wei, Z. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00484a · Cited by 2,156
Xia, B. Y., Wu, H. B., Wang, X., & Lou, X. W. (. (2012) · Journal of the American Chemical Society · doi:10.1021/ja3051662 · Cited by 608
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Synthesis and catalytic properties of bimetallic nanomaterials with various architectures
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Metadata
- Authors
- Snyder, J., McCue, I., Livi, K., & Erlebacher, J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-05-09
- Volume
- 134
- Issue
- 20
- Pages
- 8633-8645
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2326587274
- Cited by
- 285
- References
- 22
- FWCI
- 11.66
- Type
- journal article
- Language
- en
- Open access
- closed
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- Snyder, J., McCue, I., Livi, K., & Erlebacher, J. (2012). Structure/Processing/Properties Relationships in Nanoporous Nanoparticles As Applied to Catalysis of the Cathodic Oxygen Reduction Reaction. Journal of the American Chemical Society. https://doi.org/10.1021/ja3019498
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