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Activity of Platinum−Gold Alloys for Glucose Electrooxidation in Biofuel Cells
Abstract
Carbon supported Pt-Au catalysts with different bimetallic compositions were prepared by water in oil (w/o) microemulsion. Carbon Vulcan XC-72 was added during the synthesis of particles in order to obtain their good dispersion and a mean particle size distribution of 5.02 +/- 0.56 nm. Structural characterization was performed using XRD at wide angles (WAXS), which showed that Pt-Au particles exhibited alloy properties. Electrochemical characterization allowed to estimate the surface composition of Pt-Au alloys, which was close to that of the bulk material Pt(20)Au(80). This catalyst composition displayed the best catalytic activity in steady-state conditions in comparison with Pt(50)Au(50) or Pt and Au alone. Moreover, a Pt-Au/C catalyst with a metal loading of 40 wt % was immobilized onto a carbon porous tube as anode. A membrane-less biofuel cell was tested using laccase/ABTS biocathode in phosphate buffer (pH 5).
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Hernández, J., Solla-Gullón, J., & Herrero, E. (2004) · Journal of Electroanalytical Chemistry · doi:10.1016/j.jelechem.2003.10.039 · Cited by 171
Cited by
Synthesis and Optical Properties of Hybrid and Alloy Plasmonic Nanoparticles
Cortie, M. B., & McDonagh, A. M. (2011) · Chemical Reviews · doi:10.1021/cr1002529 · Cited by 834
Singh, B., & Dempsey, E. (2012) · ECS Journal of Solid State Science and Technology · doi:10.1149/2.003203jss · Cited by 7
Metadata
- Authors
- Habrioux, A., Sibert, E., Servat, K., Vogel, W., Kokoh, K. B., & Alonso-Vante, N.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-08-01
- Volume
- 111
- Issue
- 34
- Pages
- 10329-10333
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2049843382
- Cited by
- 178
- References
- 1
- FWCI
- 8.20
- Type
- journal article
- Language
- en
- Open access
- closed
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- Habrioux, A., Sibert, E., Servat, K., Vogel, W., Kokoh, K. B., & Alonso-Vante, N. (2007). Activity of Platinum−Gold Alloys for Glucose Electrooxidation in Biofuel Cells. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp0720183
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
