The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Surface Composition Tuning of Au–Pt Bimetallic Nanoparticles for Enhanced Carbon Monoxide and Methanol Electro-oxidation
Abstract
The ability to direct bimetallic nanoparticles to express desirable surface composition is a crucial step toward effective heterogeneous catalysis, sensing, and bionanotechnology applications. Here we report surface composition tuning of bimetallic Au-Pt electrocatalysts for carbon monoxide and methanol oxidation reactions. We establish a direct correlation between the surface composition of Au-Pt nanoparticles and their catalytic activities. We find that the intrinsic activities of Au-Pt nanoparticles with the same bulk composition of Au0.5Pt0.5 can be enhanced by orders of magnitude by simply controlling the surface composition. We attribute this enhancement to the weakened CO binding on Pt in discrete Pt or Pt-rich clusters surrounded by surface Au atoms. Our finding demonstrates the importance of surface composition control at the nanoscale in harnessing the true electrocatalytic potential of bimetallic nanoparticles and opens up strategies for the development of highly active bimetallic nanoparticles for electrochemical energy conversion.
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Cites
Trends in electrocatalysis on extended and nanoscale Pt-bimetallic alloy surfaces
Stamenkovic, V. R., Mun, B. S., Arenz, M., Mayrhofer, K. J. J., Lucas, C. A., Wang, G., Ross, P. N., & Markovic, N. M. (2007) · Nature Materials · doi:10.1038/nmat1840 · Cited by 3,252
Tian, N., Zhou, Z.-Y., Sun, S.-G., Ding, Y., & Wang, Z. L. (2007) · Science · doi:10.1126/science.1140484 · Cited by 3,073
Adsorbate‐Induced Surface Segregation for Core–Shell Nanocatalysts
Mayrhofer, K. J. J., Juhart, V., Hartl, K., Hanzlik, M., & Arenz, M. (2009) · Angewandte Chemie International Edition · doi:10.1002/anie.200806209 · Cited by 319
Cited by
Biaxially strained PtPb/Pt core/shell nanoplate boosts oxygen reduction catalysis
Bu, L., Zhang, N., Guo, S., Zhang, X., Li, J., Yao, J., Wu, T., Lu, G., Ma, J.-Y., Su, D., et al. (2016) · Science · doi:10.1126/science.aah6133 · Cited by 1,642
Continuous-flow electrosynthesis of ammonia by nitrogen reduction and hydrogen oxidation
Fu, X., Pedersen, J. B., Zhou, Y., Saccoccio, M., Li, S., Sažinas, R., Li, K., Andersen, S. Z., Xu, A., Deissler, N. H., et al. (2023) · Science · doi:10.1126/science.adf4403 · Cited by 616
Zhang, Z., Luo, Z., Chen, B., Wei, C., Zhao, J., Chen, J., Zhang, X., Lai, Z., Fan, Z., Tan, C., et al. (2016) · Advanced Materials · doi:10.1002/adma.201603075 · Cited by 382
Self-citationMethanol Electro-Oxidation on the Pt Surface: Revisiting the Cyclic Voltammetry Interpretation
Chung, D. Y., Lee, K.-J., & Sung, Y.-E. (2016) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.5b12303 · Cited by 346
Ong, W., Tan, L., Chai, S., Yong, S., & Mohamed, A. R. (2014) · ChemSusChem · doi:10.1002/cssc.201300924 · Cited by 339
Metadata
- Authors
- Suntivich, J., Xu, Z., Carlton, C. E., Kim, J., Han, B., Lee, S. W., Bonnet, N., Marzari, N., Allard, L. F., Gasteiger, H. A., Hamad-Schifferli, K., & Shao-Horn, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-05-16
- Volume
- 135
- Issue
- 21
- Pages
- 7985-7991
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2314018350
- Cited by
- 309
- References
- 3
- FWCI
- 12.50
- Type
- journal article
- Language
- en
- Open access
- closed
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