Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 32, Pages 5096-5102Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201000643
Keywords
Carbon; Gold; Nanocatalysis; Oxidation; Nanotubes
Categories
Funding
- Spanish Ministry of Science and Technology
- Institute of Catalysis and Petroleochemistry (Spain)
- Spanish Government [CTQ2008 06839 C03 01/PPQ, CTQ2008 06839 C03 03/PPQ, CTQ2008 03954/BQU, MAT2008 06522 C02 02]
- INTECAT Consolider Ingenio [CSD2006 0003]
- Junta de Castilla y Leon [VA012A08, GR169]
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Gold nanoparticles have been deposited on three kinds of carbon nanotubes (CNTs) including nitrogen doped CNTs, by three different methods, namely, impregnation organometallic decomposition, and deposition precipitation The choice of the gold precursor the support and the preparation procedure is critical for the control of the size and location (on or inside the nanotubes) of the gold nanoparticles These catalysts were tested for the selective oxidation of CO in a hydrogen-rich atmosphere We have shown that the use of nitrogen-doped CNTs as a support permits one to reach much higher activity and selectivity at low temperature than with the other CNT supports This catalyst also shows a good stability under reaction conditions without detectable sintering
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