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Journal of Nanomaterials
Volume 2012 (2012), Article ID 418737, 6 pages
http://dx.doi.org/10.1155/2012/418737
Research Article

Polyol-Free Synthesis of Uniformly Dispersed Pt/Graphene Oxide Electrocatalyst by Sulfuric Acid Treatment

School of Chemical Engineering, University of Ulsan, Daehak-ro 102, Nam-gu, Ulsan 680-749, Republic of Korea

Received 25 September 2012; Revised 26 November 2012; Accepted 10 December 2012

Academic Editor: Yongsheng Li

Copyright © 2012 Tae Kyu Lee 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. S. Gottesfeld and T. Zawodzinski, “Polymer electrolyte fuel cells,” Advances in Electrochemical Science and Engineering, vol. 5, chapter 4, pp. 195–301, 1997. View at Publisher · View at Google Scholar
  2. J. Zhang, Z. Xie, J. Zhang et al., “High temperature PEM fuel cells,” Journal of Power Sources, vol. 160, no. 2, pp. 872–891, 2006. View at Publisher · View at Google Scholar · View at Scopus
  3. S. Kim, T. Lee, J. Jung et al., “Catalytic performance of acid-treated multi-walled carbon nanotube-supported platinum catalyst for PEM fuel cells,” Materials Research Bulletin, vol. 47, no. 10, pp. 2760–2764, 2012.
  4. R. Kou, Y. Shao, D. Wang et al., “Enhanced activity and stability of Pt catalysts on functionalized graphene sheets for electrocatalytic oxygen reduction,” Electrochemistry Communications, vol. 11, no. 5, pp. 954–957, 2009. View at Publisher · View at Google Scholar · View at Scopus
  5. Y. Si and E. T. Samulski, “Exfoliated graphene separated by platinum nanoparticles,” Chemistry of Materials, vol. 20, no. 21, pp. 6792–6797, 2008. View at Publisher · View at Google Scholar
  6. A. K. Geim and K. S. Novoselov, “The rise of graphene,” Nature Materials, vol. 6, no. 3, pp. 183–191, 2007. View at Publisher · View at Google Scholar · View at Scopus
  7. B. Kim, M. Kang, V. Pham et al., “Low-voltage solution-processed graphene transistors based on chemically and solvothermally reduced graphene oxide,” Journal of Materials Chemistry, vol. 21, no. 34, pp. 13068–13073, 2011.
  8. T. V. Cuong, H. N. Tien, V. H. Luan et al., “Solution-processed semitransparent p-n graphene oxide: CNT/ZnO heterojunction diodes for visible-blind UV sensors,” Physica Status Solidi A, vol. 208, no. 4, pp. 943–946, 2011. View at Publisher · View at Google Scholar · View at Scopus
  9. V. Luan, H. Tien, T. Cuong et al., “Novel conductive epoxy composites composed of 2-D chemically reduced graphene and 1-D silver nanowire hybrid fillers,” Journal of Materials Chemistry, vol. 22, no. 17, pp. 8649–8653, 2012.
  10. S. Hur and J. Park, “Graphene and its application in fuel cell catalysis: a review,” Asia-Pacific Journal of Chemical Engineering. In press. View at Publisher · View at Google Scholar
  11. T. Herricks, J. Chen, and Y. Xia, “Polyol synthesis of platinum nanoparticles: control of morphology with sodium nitrate,” Nano Letters, vol. 4, no. 12, pp. 2367–2371, 2004. View at Publisher · View at Google Scholar · View at Scopus
  12. H. S. Oh, J. G. Oh, Y. G. Hong, and H. Kim, “Investigation of carbon-supported Pt nanocatalyst preparation by the polyol process for fuel cell applications,” Electrochimica Acta, vol. 52, no. 25, pp. 7278–7285, 2007. View at Publisher · View at Google Scholar · View at Scopus
  13. C. Bock, C. Paquet, M. Couillard, G. A. Botton, and B. R. MacDougall, “Size-selected synthesis of PtRu nano-catalysts: reaction and size control mechanism,” Journal of the American Chemical Society, vol. 126, no. 25, pp. 8028–8037, 2004. View at Publisher · View at Google Scholar · View at Scopus
  14. W. S. Hummers and R. E. Offeman, “Preparation of graphitic oxide,” Journal of the American Chemical Society, vol. 80, no. 6, p. 1339, 1958. View at Scopus
  15. V. Pham, T. Dang, T. Cuong et al., “Synthesis of highly concentrated suspension of chemically converted graphene in organic solvents: effect of temperature on the extent of reduction and dispersibility,” Korean Journal of Chemical Engineering, vol. 29, no. 5, pp. 680–685, 2012.
  16. D. Kim, S. J. Yang, Y. S. Kim, H. Jung, and C. R. Park, “Simple and cost-effective reduction of graphite oxide by sulfuric acid,” Carbon, vol. 50, no. 9, pp. 3229–3232, 2012.
  17. B. E. Warren, X-Ray Diffraction, Dover, New York, NY, USA, 1990.
  18. C. Bock, C. Paquet, M. Couillard, G. A. Botton, and B. R. MacDougall, “Size-selected synthesis of PtRu nano-catalysts: reaction and size control mechanism,” Journal of the American Chemical Society, vol. 126, no. 25, pp. 8028–8037, 2004. View at Publisher · View at Google Scholar · View at Scopus
  19. C. K. Rhee, B. J. Kim, C. Ham, Y. J. Kim, K. Song, and K. Kwon, “Size effect of Pt nanoparticle on catalytic activity in oxidation of methanol and formic acid: comparison to Pt(111), Pt(100), and polycrystalline pt electrodes,” Langmuir, vol. 25, no. 12, pp. 7140–7147, 2009. View at Publisher · View at Google Scholar · View at Scopus