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Updated: Jun 30, 2026
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Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents
Published on: May 28, 2014
Coadsorbed H and CO interaction on platinum.
Tanglaw Roman1, Hiroshi Nakanishi, Hideaki Kasai
1Division of Precision Science & Technology and Applied Physics, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, Japan.
Physical Chemistry Chemical Physics : PCCP
|October 1, 2008
Summary
Hydrogen exhibits nonattractive interactions with platinum-adsorbed carbon monoxide (CO), particularly with oxygen. This study explores CO
Area of Science:
- Surface science
- Physical chemistry
- Computational materials science
Background:
- Carbon monoxide (CO) adsorption on platinum surfaces is crucial for catalysis.
- Understanding hydrogen (H) interaction with adsorbed CO is key to predicting reaction pathways.
Purpose of the Study:
- To investigate the interaction between hydrogen and a platinum-surface-adsorbed carbon monoxide molecule.
- To elucidate the influence of adsorbed CO on hydrogen behavior on platinum.
Main Methods:
- Utilizing potential energy terms derived from density functional theory (DFT) calculations.
- Analyzing the interaction dynamics between H and Pt-adsorbed CO.
Main Results:
- Confirmed a nonattractive interaction between hydrogen and CO on platinum.
- Observed that oxygen in the CO molecule retains strong hydrogen-repulsive characteristics.
- Identified CO inhibiting effects on H adsorption/desorption and mobility exceeding simple site exclusion.
Conclusions:
- The presence of adsorbed CO significantly modifies hydrogen behavior on platinum surfaces.
- Potential formation of hydrogenated species like COH and HCO is suggested.
- CO's influence extends beyond steric hindrance, impacting reaction kinetics.
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