Research Letters in Nanotechnology
Volume 2009 (2009), Article ID 971423, 5 pages
doi:10.1155/2009/971423
Research Letter
Nanostructural Formation of Pd-Co Bimetallic Complex on HOPG Surfaces: XPS and AFM Studies
Department of Chemistry and Center for Advanced Nanoscale Materials, Institute for Functional Nanomaterials, University of Puerto Rico, Río Piedras Campus, P.O. Box 23346, San Juan, PR 00931-3346, USA
Received 18 October 2008; Accepted 28 January 2009
Academic Editor: John S. Foord
Copyright © 2009 Lisandra Arroyo-Ramírez et al. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Linked References
- B. Viswanathan and M. A. Scibioh, Fuel Cells: Principles and Applications, CRC Press, Boca Raton, Fla, USA, 2008.
- O. Savadogo, K. Lee, K. Oishi, S. Mitsushima, N. Kamiya, and K.-I. Ota, “New palladium alloys catalyst for the oxygen reduction reaction in an acid medium,” Electrochemistry Communications, vol. 6, no. 2, pp. 105–109, 2004. View at Publisher · View at Google Scholar
- H. N. Miras, H. Zhao, R. Herchel, C. Rinaldi, S. Pérez, and R. G. Raptis, “Synthesis and characterization of linear trinuclear Pd, Co, and Pd/Co pyrazolate complexes,” European Journal of Inorganic Chemistry, vol. 2008, no. 30, pp. 4745–4755, 2008. View at Publisher · View at Google Scholar
- J. F. Moulder, W. F. Stickle, P. E. Sobol, and K. D. Bomben, Handbook of X-Ray Photoelectron Spectroscopy:
A Reference Book of Standard Spectra for Identification and Interpretation of XPS Data, Perkin-Elmer, Eden Prairie, Minn, USA, 1992.
- G. Kumar, J. R. Blackburn, R. G. Albridge, W. E. Moddeman, and M. M. Jones, “Photoelectron spectroscopy of coordination compounds—II. Palladium complexes,” Inorganic Chemistry, vol. 11, no. 2, pp. 296–300, 1972. View at Publisher · View at Google Scholar
- F. B. Noronha, M. Schmal, B. Moraweck, et al., “Characterization of niobia-supported palladium—cobalt catalysts,” The Journal of Physical Chemistry B, vol. 104, no. 23, pp. 5478–5485, 2000. View at Publisher · View at Google Scholar
- R. Díaz-Ayala, L. Arroyo, R. G. Raptis, and C. R. Cabrera, “Thermal reduction of Pd molecular cluster precursors at highly ordered pyrolytic graphite surfaces,” Langmuir, vol. 20, no. 19, pp. 8329–8335, 2004. View at Publisher · View at Google Scholar · View at PubMed
- R. Díaz-Ayala, E. R. Fachini, R. G. Raptis, and C. R. Cabrera, “Palladium nanostructures and nanoparticles from molecular precursors on highly ordered pyrolytic graphite,” Langmuir, vol. 22, no. 24, pp. 10185–10195, 2006. View at Publisher · View at Google Scholar · View at PubMed
- J. Gómez-Segura, O. Kazakova, J. Davies, P. Josephs-Franks, J. Veciana, and D. Ruiz-Molina, “Self-organization of single-molecule magnets into ring structures induced by breath-figures as templates,” Chemical Communications, no. 45, pp. 5615–5617, 2005. View at Publisher · View at Google Scholar · View at PubMed
- K. Lee, O. Savadogo, A. Ishihara, S. Mitsushima, N. Kamiya, and K.-I. Ota, “Methanol-tolerant oxygen reduction electrocatalysts based on Pd-3D transition metal alloys for direct methanol fuel cells,” Journal of the Electrochemical Society, vol. 153, no. 1, pp. A20–A24, 2006. View at Publisher · View at Google Scholar
- L. Zhang, K. Lee, and J. Zhang, “Effect of synthetic reducing agents on morphology and ORR activity of carbon-supported nano-Pd-Co alloy electrocatalysts,” Electrochimica Acta, vol. 52, no. 28, pp. 7964–7971, 2007. View at Publisher · View at Google Scholar
- D. Bera, S. C. Kuiry, Z. U. Rahman, and S. Seal, “Template-assisted deposition of palladium nanoarrays preparation, microscopic, and spectroscopic studies,” Journal of the Electrochemical Society, vol. 152, no. 8, pp. C566–C570, 2005. View at Publisher · View at Google Scholar
- Z. Zsoldos and L. Guczi, “Structure and catalytic activity of alumina supported platinum-cobalt bimetallic catalysts. 3. Effect of treatment on the interface layer,” The Journal of Physical Chemistry, vol. 96, no. 23, pp. 9393–9400, 1992. View at Publisher · View at Google Scholar