KA08 Low-temperature hydrogen production on sub-nm Pt-(OH)x and Au-(OH)x species: Evidence of single-site precious metal catalysis?

Monday, June 6, 2011: 1:30 PM
Cabot Ballroom (Detroit Marriott Hotel at the Renaissance Center )
Maria Flytzani-Stephanopoulos, Department of Chemical and Biological Engineering, Tufts University, Medford, MA


Sub-nanometer Au-(OH)x species on various oxide supports have emerged as the active sites for the water-gas shift and methanol steam reforming reactions. Alkali addition has been found to stabilize sub-nm Pt-(OH)x species and render them active  for these reactions even on inert silica. Are these single-site metal catalysts at work?

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