• Methanol photo-coupling on TiO2

    Methanol photo-coupling on TiO2

    Sequential photo-oxidation of methanol to methyl formate on TiO2(110)

  • Growing role of chemical production in industrial energy demand

    Growing role of chemical production in industrial energy demand

    http://corporate.exxonmobil.com/en/energy/energyoutlook

  • Hollow nanoporous gold microspheres

    Hollow nanoporous gold microspheres

    False-color SEM image of hollow nanoporous gold microsphere that is highly active for selective alcohol oxidation

  • Metallic silver island on rutile TiO2(110)

    Metallic silver island on rutile TiO2(110)

    Room temperature scanning tunneling spectroscopy.

  • Gold activated by oxygen for synthesis

    Gold activated by oxygen for synthesis

    Schematic mechanism for dimethylformamide synthesis from methanol coupling with dimethyl amine via a (CH3)2N intermediate on Au.

  • STM image of 0.02ML oxygen on Au(110)-(1x2)

    with schematic of the oxygen adsorption geometry.

  • Theoretical simulation of photochemical processes

    that drive the excitation of semiconductor catalyst.

  • Water facilitates oxygen mobility on gold surfaces via transient hydroxyl pairs

    Water facilitates oxygen mobility on gold surfaces via transient hydroxyl pairs

    Under controlled conditions, water and oxygen react to create a dynamic surface on Au(110) that may enhance catalytic activity

  • Shape and size-controlled nanoporous copper catalysts

    Shape and size-controlled nanoporous copper catalysts

  • Reaction of methoxy to formaldehyde has a high-energy transition state, in contrast to that in the longer chain systems.

    Kinetics of anhydrous dehydrogenation of alcohols on Cu

    Reaction of methoxy to formaldehyde has a high-energy transition state, in contrast to that in the longer chain systems.

  • Flow through nanoporous catalysts affects reactivity

    Flow through nanoporous catalysts affects reactivity

    Combining microscopy, fluid dynamics, and quantum chemistry, we can predict the surface structure of a nanoporous catalyst

Addressing global challenges in reducing energy costs and in developing alternative energy sources is critical to the future.  The research in the Friend group focuses on important catalytic reactions and on making new materials with key chemical functionality by controlling the chemical and physical properties of interfaces.

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