The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.
Synthesis of Pd−Pt Bimetallic Nanocrystals with a Concave Structure through a Bromide-Induced Galvanic Replacement Reaction
Abstract
This article describes a systematic study of the galvanic replacement reaction between PtCl(6)(2-) ions and Pd nanocrystals with different shapes, including cubes, cuboctahedrons, and octahedrons. It was found that Br(-) ions played an important role in initiating, facilitating, and directing the replacement reaction. The presence of Br(-) ions led to the selective initiation of galvanic replacement from the {100} facets of Pd nanocrystals, likely due to the preferential adsorption of Br(-) ions on this crystallographic plane. The site-selective galvanic replacement resulted in the formation of Pd-Pt bimetallic nanocrystals with a concave structure owing to simultaneous dissolution of Pd atoms from the {100} facets and deposition of the resultant Pt atoms on the {111} facets. The Pd-Pt concave nanocubes with different weight percentages of Pt at 3.4, 10.4, 19.9, and 34.4 were also evaluated as electrocatalysts for the oxygen reduction reaction (ORR). Significantly, the sample with a 3.4 wt.% of Pt exhibited the largest specific electrochemical surface area and was found to be four times as active as the commercial Pt/C catalyst for the ORR in terms of equivalent Pt mass.
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Citations
Cites
Chemistry and Properties of Nanocrystals of Different Shapes
Burda, C., Chen, X., Narayanan, R., & El-Sayed, M. A. (2005) · Chemical Reviews · doi:10.1021/cr030063a · Cited by 7,230
Tian, N., Zhou, Z.-Y., Sun, S.-G., Ding, Y., & Wang, Z. L. (2007) · Science · doi:10.1126/science.1140484 · Cited by 3,073
Characterization of High‐Surface‐Area Electrocatalysts Using a Rotating Disk Electrode Configuration
Schmidt, T. J., Gasteiger, H. A., Stäb, G. D., Urban, P. M., Kolb, D. M., & Behm, R. J. (1998) · Journal of The Electrochemical Society · doi:10.1149/1.1838642 · Cited by 1,131
Zhang, J., Vukmirovic, M. B., Xu, Y., Mavrikakis, M., & Adzic, R. R. (2005) · Angewandte Chemie International Edition · doi:10.1002/anie.200462335 · Cited by 1,106
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Self-citationYu, T., Kim, D. Y., Zhang, H., & Xia, Y. (2011) · Angewandte Chemie International Edition · doi:10.1002/anie.201007859 · Cited by 454
Self-citationControlled Formation of Concave Tetrahedral/Trigonal Bipyramidal Palladium Nanocrystals
Huang, X., Tang, S., Zhang, H., Zhou, Z., & Zheng, N. (2009) · Journal of the American Chemical Society · doi:10.1021/ja9059409 · Cited by 242
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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
Sub-nanometre sized metal clusters: from synthetic challenges to the unique property discoveries
Lu, Y., & Chen, W. (2012) · Chemical Society Reviews · doi:10.1039/c2cs15325d · Cited by 1,152
Xia, X., Wang, Y., Ruditskiy, A., & Xia, Y. (2013) · Advanced Materials · doi:10.1002/adma.201302820 · Cited by 1,019
Self-citationZhu, C., Du, D., Eychmüller, A., & Lin, Y. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00255 · Cited by 672
Synthesis and catalytic properties of bimetallic nanomaterials with various architectures
Liu, X., Wang, D., & Li, Y. (2012) · Nano Today · doi:10.1016/j.nantod.2012.08.003 · Cited by 538
Metadata
- Authors
- Zhang, H., Jin, M., Wang, J., Li, W., Camargo, P. H. C., Kim, M. J., Yang, D., Xie, Z., & Xia, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-03-25
- Volume
- 133
- Issue
- 15
- Pages
- 6078-6089
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2012962352
- Cited by
- 430
- References
- 7
- FWCI
- 17.34
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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