Synthesis and Characterization of Os and Pt−Os/Carbon Nanocomposites and their Relative Performance as Methanol Electrooxidation Catalysts

• Published in: Chemistry of materials Vol. 15; no. 5; pp. 1119 - 1124
• Main Authors: Moore, Joshua T, Chu, Deryn, Jiang, Rongzhong, Deluga, Gregg A, Lukehart, C. M
• Format: Journal Article
• Language: English
• Published: Washington, DC American Chemical Society 11.03.2003
• Subjects: Applied sciences; Energy; Energy. Thermal use of fuels; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc; Exact sciences and technology; Fuel cells; Osmium Alloys; Transition metal; Carbon; X ray diffraction; Osmium; Primary alcohol; Surface structure; Electrocatalysis; Thermodynamics; Transmission electron microscopy; Morphology; Nanocomposite; Oxidation; Platinum Alloys; Electrochemical reaction; Nanostructured materials; Fuel cell; Organic compounds; Binary alloy; Methanol

Thermal treatment of cis-(2,2‘-bipyridine)2OsCl2, (η6-cymene)2Os2Cl4, or [(bpy)2Os(μ-bpm)PtCl2][CF3SO3]2/Vulcan carbon powder composites under solely reductive conditions affords Os or Pt−Os/carbon nanocomposites consisting of metal nanoparticles highly dispersed on the carbon support. Nanocomposite...