Andrzej Wieckowski

Simulated Dynamics of Underpotential Deposition of Cu with Sulfate on Au(111) (2008)

Gregory Brown, Per Arne Rikvold, M. A. Novotny, Andrzej Wieckowski

Numerical studies of lattice-gas models are well suited to describe multi-adsorbate systems. One example is the underpotential deposition of Cu on Au(111) in the presence of sulfuric acid....

Vibrational Recognition of Adsorption Sites for Carbon Monoxide on Platinum and Platinum-Ruthenium Surfaces (2007)

Dabo, Ismaila, Wieckowski, Andrzej, Marzari, Nicola

We have studied the vibrational properties of CO adsorbed on platinum and platinum-ruthenium surfaces using density-functional perturbation theory within the Perdew-Burke-Ernzerhof...

PROBING BURIED ELECTROCHEMICAL INTERFACES WITH MULTIPLEX BROADBAND SUM FREQUENCY GENERATION SPECTROSCOPY (2007)

Lagutchev, Alexei, Lu, Guo-Qiang, Takeshita, Tomohiro, Behrens, Rachel, Wieckowski, Andrzej

Author Institution: School of Chemical Sciences, Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA

Comments on the Paper Entitled In Situ Studies of Adsorption of Organic Compounds on Platinum Electrodes, by J. O'M. Bockris and K. T. Jeng (2006)

Wieckowski, Andrzej

The paper (1) describes results of experimental and theoretical studies of adsorption of several organic compounds on polycrystalline platinum by the use of radiotracer, ellipsometry and FT-IR...

Ionic and Molecular Environments in Heterogeneous Electrocatalysis: Studies by Radioactive Labeling and LEED/AUGER Spectroscopy (2006)

Wieckowski, Andrzej

Adsorption, catalytic activity and metal deposition at the metal/ solution interface have been studied in a coordinated fashion by radiochemistry, ultra-high vacuum spectroscopies of surface science...

Initial and final state contributions to binding-energy shifts due to lattice strain: Validation of Auger parameter analyses (2006)

Bagus, Paul S., Wieckowski, Andrzej, Freund, Hans-Joachim

The validity of Auger parameter analyses to separate initial and final state contributions to core-level binding energy shifts in the growth of nanoparticles is tested; the specific concern is shifts...

Simulated Dynamics of Underpotential Deposition of Cu with . . . (1999)

Sulfate On Au, Gregory Brown, Andrzej Wieckowski

this article we report current transients and time-dependent microscopic adlayer structures observed in dynamic Monte Carlo simulations of a model UPD system under conditions intended to reproduce...

Ultrahigh Vacuum Surface Analytical Methods in Electrochemical Studies of Single-Crystal Surfaces. (1998)

Soriaga, Manuel P., Harrington, David A., Stickney, John L., Wieckowski, Andrzej

A complete understanding of a given electrochemical reaction needs to take into account all the physical and chemical interactions that arise between an electrified surface and the constituents of...

Simulated Dynamics of Underpotential Deposition of Cu with Sulfate on Au(111) (1997)

Brown, Gregory, Rikvold, Per Arne, Novotny, M. A., Wieckowski, Andrzej

Numerical studies of lattice-gas models are well suited to describe multi-adsorbate systems. One example is the underpotential deposition of Cu on Au(111) in the presence of sulfuric acid....

Equilibrium and nonequilibrium applications of lattice-gas models in electrochemistry (1997)

Rikvold, Per Arne, Brown, Gregory, Novotny, M. A., Wieckowski, Andrzej

We discuss applications of statistical-mechanical lattice-gas models to study static and dynamic aspects of electrochemical adsorption. The strategy developed to describe specific systems includes...