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Journal of Nanomaterials
Volume 2012 (2012), Article ID 404159, 6 pages
doi:10.1155/2012/404159
Research Article

Ostwald Ripening of Platinum Nanoparticles Confined in a Carbon Nanotube/Silica-Templated Cylindrical Space

Cintia Mateo-Mateo,1 Carmen Vázquez-Vázquez,1 Moisés Pérez-Lorenzo,1 Verónica Salgueiriño,2 and Miguel A. Correa-Duarte1

1Departamento de Química Física, Universidade de Vigo, 36310 Vigo, Spain
2Departamento de Física Aplicada, Universidade de Vigo, 36310 Vigo, Spain

Received 7 July 2012; Revised 2 October 2012; Accepted 2 October 2012

Academic Editor: Steve F. A. Acquah

Copyright © 2012 Cintia Mateo-Mateo 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

  1. R. T. K. Baker, C. H. Bartholomew, and D. B. Dadyburjor, Sintering and Redispersion: Mechanisms and Kinetics. Stability of Supported Catalysts: Sintering and Redispersion, Edited by J. A. Horsley, Catalytica, Mountain View, Calif, USA, 1991.
  2. S. B. Simonsen, I. Chorkendorff, S. Dahl et al., “Effect of particle morphology on the ripening of supported Pt nanoparticles,” Journal of Physical Chemistry C, vol. 116, no. 9, pp. 5646–5653, 2012.
  3. S. R. Challa, A. T. Delariva, T. W. Hansen et al., “Relating rates of catalyst sintering to the disappearance of individual nanoparticles during Ostwald ripening,” Journal of the American Chemical Society, vol. 133, no. 51, pp. 20672–20675, 2011.
  4. P. Wynblatt and N. A. Gjostein, “Supported metal crystallites,” Progress in Solid State Chemistry, vol. 9, pp. 21–58, 1975. View at Scopus
  5. F. Yang, M. S. Chen, and D. W. Goodman, “Sintering of Au particles supported on TiO2(110) during CO oxidation,” Journal of Physical Chemistry C, vol. 113, no. 1, pp. 254–260, 2009. View at Publisher · View at Google Scholar · View at Scopus
  6. S. B. Simonsen, I. Chorkendorff, S. Dahl, M. Skoglundh, J. Sehested, and S. Helveg, “Direct observations of oxygen-induced platinum nanoparticle ripening studied by in situ TEM,” Journal of the American Chemical Society, vol. 132, no. 23, pp. 7968–7975, 2010. View at Publisher · View at Google Scholar · View at Scopus
  7. M. Sanlés, M. Pérez-Lorenzo, B. Rodríguez-González, V. Salgueiriño, and M. A. Correa-Duarte, “Highly active nanoreactors: nanomaterial encapsulation based on confined catalysis,” Angewandte Chemie International Edition, vol. 51, pp. 3877–3882, 2012.
  8. M. de Dios, V. Salgueirino, M. Pérez-Lorenzo, and M. A. Correa-Duarte, “Synthesis of carbon nanotube-inorganic hybrid nanocomposites: an instructional experiment in nanomaterials chemistry,” "Journal of Chemical Education, vol. 89, pp. 280–283, 2012.
  9. M. Grzelczak, M. A. Correa-Duarte, and L. M. Liz-Marzán, “Carbon nanotubes encapsulated in wormlike hollow silica shells,” Small, vol. 2, no. 10, pp. 1174–1177, 2006. View at Publisher · View at Google Scholar · View at Scopus
  10. A. A. Dameron, S. Pylypenko, J. B. Bult, et al., “Aligned carbon nanotube array functionalization for enhanced atomic layer deposition of platinum electro-catalysts,” Applied Surface Science, vol. 258, no. 13, pp. 5212–5221, 2012.
  11. M. J. O'Connell, P. Boul, L. M. Ericson et al., “Reversible water-solubilization of single-walled carbon nanotubes by polymer wrapping,” Chemical Physics Letters, vol. 342, no. 3-4, pp. 265–271, 2001. View at Publisher · View at Google Scholar · View at Scopus
  12. M. A. Correa-Duarte and L. M. Liz-Marzán, “Carbon nanotubes as templates for one-dimensional nanoparticle assemblies,” Journal of Materials Chemistry, vol. 16, no. 1, pp. 22–25, 2006. View at Publisher · View at Google Scholar · View at Scopus
  13. S. Kawasaki, G. Catalan, H. J. Fan et al., “Conformal oxide coating of carbon nanotubes,” Applied Physics Letters, vol. 92, no. 5, Article ID 053109, 2008. View at Publisher · View at Google Scholar · View at Scopus
  14. M. A. Correa-Duarte, N. Sobal, L. M. Liz-Marzán, and M. Giersig, “Linear assemblies of silica-coated gold nanoparticles using carbon nanotubes as templates,” Advanced Materials, vol. 16, no. 23-24, pp. 2179–2184, 2004. View at Publisher · View at Google Scholar · View at Scopus
  15. F. Rivadulla, C. Mateo-Mateo, and M. A. Correa-Duarte, “Layer-by-layer polymer coating of carbon nanotubes: tuning of electrical conductivity in random networks,” Journal of the American Chemical Society, vol. 132, no. 11, pp. 3751–3755, 2010. View at Publisher · View at Google Scholar · View at Scopus
  16. R. B. Mathur, S. Seth, C. Lal et al., “Co-synthesis, purification and characterization of single- and multi-walled carbon nanotubes using the electric arc method,” Carbon, vol. 45, no. 1, pp. 132–140, 2007. View at Publisher · View at Google Scholar · View at Scopus
  17. H. Rôder, E. Hahn, H. Brune, J. P. Bucher, and K. Kern, “Building one- and two-dimensional nanostructures by diffusion-controlled aggregation at surfaces,” Nature, vol. 366, no. 6451, pp. 141–143, 1993. View at Scopus
  18. M. Bowker, “Surface science: the going rate for catalysts,” Nature Materials, vol. 1, no. 4, pp. 205–206, 2002. View at Publisher · View at Google Scholar · View at Scopus
  19. F. Huang, H. Zhang, and J. F. Banfieldt, “Two-stage crystal-growth kinetics observed during hydrothermal coarsening of nanocrystalline ZnS,” Nano Letters, vol. 3, no. 3, pp. 373–378, 2003. View at Publisher · View at Google Scholar · View at Scopus
  20. Y. Yin and A. P. Alivisatos, “Colloidal nanocrystal synthesis and the organic-inorganic interface,” Nature, vol. 437, no. 7059, pp. 664–670, 2005. View at Publisher · View at Google Scholar · View at Scopus
  21. P. Loof, B. Stenbom, H. Norden, and B. Kasemo, “Rapid sintering in NO of nanometer-sized Pt particles on γ-Al2O3 observed by CO temperature-programmed desorption and transmission electron microscopy,” Journal of Catalysis, vol. 144, no. 1, pp. 60–76, 1993. View at Publisher · View at Google Scholar · View at Scopus