Physical and chemical properties of bimetallic surfaces

JA Rodriguez - Surface Science Reports, 1996 - Elsevier
Recent studies dealing with the structural, electronic, chemical and catalytic properties of
well-defined bimetallic surfaces are reviewed. LEED and STM show that two metals …

Surface and subsurface hydrogen: adsorption properties on transition metals and near-surface alloys

J Greeley, M Mavrikakis - The Journal of Physical Chemistry B, 2005 - ACS Publications
Periodic, self-consistent DFT-GGA calculations are used to study the thermochemical
properties of both surface and subsurface atomic hydrogen on a variety of pure metals and …

The electrooxidation of carbon monoxide on ruthenium modified Pt (110)

JC Davies, BE Hayden, DJ Pegg - Electrochimica Acta, 1998 - Elsevier
The effect of adsorbed and incorporated (alloyed) sub-monolayers of Ru on Pt (110) on the
electrooxidation of CO has been investigated using UHV-electrochemical transfer …

Cyclohexene as a chemical probe of the low-temperature hydrogenation activity of Pt/Ni (111) bimetallic surfaces

NA Khan, MB Zellner, JG Chen - Surface science, 2004 - Elsevier
The reactions of H2 and cyclohexene on Pt/Ni (111) surfaces were investigated using
temperature-programmed desorption (TPD) and high resolution electron energy loss …

Adsorption of thermal D atoms on Sn/Pt (111) surface alloys

MR Voss, H Busse, BE Koel - Surface science, 1998 - Elsevier
The adsorption of D atoms on Pt (111) and two, well-defined Pt–Sn surface alloys–the p (2×
2) Sn/Pt (111) with ΘSn= 0.25 ML and (3× 3) R30° Sn/Pt (111) with ΘSn= 0.33 ML–has been …

In SituElectrochemical Promotion by Sodium of the Selective Hydrogenation of Acetylene over Platinum

S Tracey, A Palermo, JPH Vazquez, RM Lambert - Journal of Catalysis, 1998 - Elsevier
The applicability of electrochemical promotion (EP) has been extended to an investigation of
the Pt-catalysed hydrogenation of acetylene to ethylene and ethane, the first example of the …

General trends in the electronic properties of alloys of transition metals: a semi-empirical study of CO adsorption

F Delbecq - Surface science, 1997 - Elsevier
Alloys of late transition metals with more electropositive ones present similar chemisorptive
properties and catalytic behaviour. The adsorption energies, for example, are generally …

High-Activity Dealloyed Catalysts

A Kongkanand - 2014 - osti.gov
Reduction of costly Pt usage in proton exchange membrane fuel cell electrodes is one of the
major challenges towards development and commercialization of fuel cell vehicles …

[图书][B] Tuning the electronic and chemical properties of metals: Bimetallics and transition metal carbides

JR Kitchin - 2004 - search.proquest.com
Improving the activity and selectivity of heterogeneous catalysts is a primary concern in the
chemical industry. One method for changing the catalytic properties of a transition metal is to …

Tight-binding model of CO adsorption at PtNi (111) surface

Š Pick - Surface science, 1996 - Elsevier
Chemisorption of CO on Pt overlayer deposited on Ni (111) is studied within a semi-
empirical self-consistent tight-binding method. It is argued that the chemisorption energy is …