Efficient anchorage of Pt clusters on N-doped carbon nanotubes and their catalytic activity

Xavier Lepró, Eduardo Terrés, Yadira Vega-Cantú, Fernando J. Rodríguez-Macías, Hiroyuki Muramatsu, Yoon Ahm Kim, Takuya Hayahsi, Morinobu Endo, Miguel Torres R., Mauricio Terrones

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88 Scopus citations

Abstract

We report an efficient method for anchoring Pt clusters (e.g., 6 nm in size) on the surfaces of N-doped multi-walled carbon nanotubes (MWNTs-CNx) using a relatively simple method consisting of a hydrothermal treatment of Na2[PtCl6] · 6H2O and N-doped nanotubes dispersed in acetic acid. The catalytic properties of this material were evaluated finding that the conversion of cinnamaldehyde using Pt-coated MWNTs-CNx could increase up to 6 times with respect to that obtained for uncoated MWNTs-CNx and pure carbon CNTs. Therefore, we envisage this material could be either used as an efficient catalyst or as a sensor.

Original languageEnglish (US)
Pages (from-to)124-129
Number of pages6
JournalChemical Physics Letters
Volume463
Issue number1-3
DOIs
StatePublished - Sep 22 2008

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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