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Multimetallic Au/FePt3 Nanoparticles as Highly Durable Electrocatalyst
Abstract
We report the design and synthesis of multimetallic Au/Pt-bimetallic nanoparticles as a highly durable electrocatalyst for the oxygen reduction reaction (ORR) in proton exchange membrane fuel cells. This system was first studied on well-defined Pt and FePt thin films deposited on a Au(111) surface, which has guided the development of novel synthetic routes toward shape-controlled Au nanoparticles coated with a Pt-bimetallic alloy. It has been demonstrated that these multimetallic Au/FePt(3) nanoparticles possess both the high catalytic activity of Pt-bimetallic alloys and the superior durability of the tailored morphology and composition profile, with mass-activity enhancement of more than 1 order of magnitude over Pt catalysts. The reported synergy between well-defined surfaces and nanoparticle synthesis offers a persuasive approach toward advanced functional nanomaterials.
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Metadata
- Authors
- Wang, C., van der Vliet, D., More, K. L., Zaluzec, N. J., Peng, S., Sun, S., Daimon, H., Wang, G., Greeley, J., Pearson, J., Paulikas, A. P., Karapetrov, G., Strmcnik, D., Markovic, N. M., & Stamenkovic, V. R.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-08-12
- Volume
- 11
- Issue
- 3
- Pages
- 919-926
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2041717943
- Cited by
- 451
- References
- 40
- FWCI
- 19.27
- Type
- journal article
- Language
- en
- Open access
- closed
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