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Synthesis of Pt–Mo/Carbon Nanocomposites from Single-Source Molecular Precursors: A (1:1) PtMo/C PEMFC Anode Catalyst Exhibiting CO Tolerance*

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Reactive, thermal degradation of py2Pt[MoCp(CO)3]2, (Me)(cod)PtMoCp(CO)3, or \(\{\hbox{Pt}_{3}(\hbox{dppm})_{3}(\hbox{CO})[\hbox{Mo}(\hbox{Cp})]\}\)[BPh4]/Vulcan carbon powder composites affords Pt–Mo/carbon nanocomposites containing metal nanoparticles of approximate compositions, PtMo2, PtMo, or Pt3Mo, widely dispersed on the carbon support. Total metal loadings range from 29–58 wt%. When tested as an anode electrocatalyst in a PEM fuel cell using either pure H2 or H2 containing 100 ppm CO as a fuel, the PtMo/carbon nanocomposite exhibits CO tolerance.

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Acknowledgments

Research support provided by the U.S. Army Research Office under grant numbers DAAH04-95-1-0146, DAAH04-96-1-0179, DAAH04-96-1-0302 and DAAG55-98-1-0362 is gratefully acknowledged by C.M.L.

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Authors and Affiliations

  1. Department of Chemistry, Vanderbilt University, Nashville, Tennessee, 37235, USA

    Krzysztof C. Kwiatkowski, Stephen B. Milne & C. M. Lukehart

  2. Department of Chemistry, Northeastern, University, 360 Huntington Avenue, Boston, Massachusetts, 02115, USA

    Sanjeev Mukerjee

Authors
  1. Krzysztof C. Kwiatkowski
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  2. Stephen B. Milne
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  3. Sanjeev Mukerjee
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  4. C. M. Lukehart
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Correspondence to C. M. Lukehart.

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Dedicated to F. A. Cotton on the occasion of his 75th birthday.

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Kwiatkowski, K.C., Milne, S.B., Mukerjee, S. et al. Synthesis of Pt–Mo/Carbon Nanocomposites from Single-Source Molecular Precursors: A (1:1) PtMo/C PEMFC Anode Catalyst Exhibiting CO Tolerance*. J Clust Sci 16, 251–272 (2005). https://doi.org/10.1007/s10876-005-4547-z

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  • DOI: https://doi.org/10.1007/s10876-005-4547-z

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