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Preparation of PtNi nanoparticles for the electrocatalytic oxidation of methanolElectronic supplementary information (ESI) available: TEM images of Pt nanoparticle seeds prepared from the methanol reduction of Pt salts. See http://www.rsc.org/suppdata/jm/b3/b307040a/
Open accessAbstract
Carbon supported PtNi nanoparticles were prepared by hydrazine reduction of Pt and Ni precursor salts under different conditions, namely by conventional heating (PtNi-1), by prolonged reaction at room temperature (PtNi-2) and by microwave assisted reduction (PtNi-3). The nanocomposites were characterized by XRD, EDX, XPS and TEM and used as electrocatalysts in direct methanol fuel cell (DMFC) reactions. Investigations into the mechanism of PtNi nanoparticle formation revealed that platinum nanoparticle seeding was essential for the formation of the bimetallic nanoparticles. The average particle size of PtNi prepared by microwave irradiation was the lowest, in the range of 2.9–5.8 nm. The relative rates of electrooxidation of methanol at room temperature as measured by cyclic voltammetry showed an inverse relationship between catalytic activity and particle size in the following order PtNi-1 < PtNi-2 < PtNi-3.
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Citations
Cited by
Platinum-Based Nanostructured Materials: Synthesis, Properties, and Applications
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Microwave-Assisted Preparation of Inorganic Nanostructures in Liquid Phase
Zhu, Y.-J., & Chen, F. (2014) · Chemical Reviews · doi:10.1021/cr400366s · Cited by 912
Synthesis and Oxygen Reduction Activity of Shape-Controlled Pt3Ni Nanopolyhedra
Zhang, J., Yang, H., Fang, J., & Zou, S. (2010) · Nano Letters · doi:10.1021/nl903717z · Cited by 788
Ni-based bimetallic heterogeneous catalysts for energy and environmental applications
De, S., Zhang, J., Luque, R., & Yan, N. (2016) · Energy & Environmental Science · doi:10.1039/c6ee02002j · Cited by 786
Solvothermal Synthesis of Platinum Alloy Nanoparticles for Oxygen Reduction Electrocatalysis
Carpenter, M. K., Moylan, T. E., Kukreja, R. S., Atwan, M. H., & Tessema, M. M. (2012) · Journal of the American Chemical Society · doi:10.1021/ja300756y · Cited by 429
Metadata
- Authors
- Deivaraj, T. C., Chen, W., & Lee, J. Y.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2003
- Volume
- 13
- Issue
- 10
- Pages
- 2555
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2107090108
- Cited by
- 251
- References
- 0
- FWCI
- 9.00
- Type
- journal article
- Language
- en
- Open access
- green
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- Deivaraj, T. C., Chen, W., & Lee, J. Y. (2003). Preparation of PtNi nanoparticles for the electrocatalytic oxidation of methanolElectronic supplementary information (ESI) available: TEM images of Pt nanoparticle seeds prepared from the methanol reduction of Pt salts. See http://www.rsc.org/suppdata/jm/b3/b307040a/. Journal of Materials Chemistry. https://doi.org/10.1039/b307040a
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