Multiple adsorbate interactions between reduced CO<sub>2</sub> adsorbates and either allyl alcohol or propargyl alcohol residues on platinum in 0.5 M sulphuric acid
The interaction of propargyl alcohol and allyl alcohol with a platinum (Pt) electrode modified by the presence of reduced CO<sub>2</sub> adsorbates (r-CO<sub>2</sub>) is studied through voltammetry and potentiostatic current transients by using a flow cell technique. The inte...
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| Autores principales: | , , , , |
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| Formato: | Articulo |
| Lenguaje: | Inglés |
| Publicado: |
1992
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/122132 https://www.sciencedirect.com/science/article/abs/pii/001346869285226B |
| Aporte de: |
| Sumario: | The interaction of propargyl alcohol and allyl alcohol with a platinum (Pt) electrode modified by the presence of reduced CO<sub>2</sub> adsorbates (r-CO<sub>2</sub>) is studied through voltammetry and potentiostatic current transients by using a flow cell technique. The interaction between each alcohol and r-CO<sub>2</sub> is promoted at three constant potentials corresponding to different degrees of Pt surface coverage by H-atoms. For both alcohols the anodic stripping peaks and the charge balance are interpreted in terms of the formation of composed adsorbates. Based upon the probable r-CO<sub>2</sub> structure and H-bonding interactions between r-CO<sub>2</sub> and the alcohol molecules or their adsorbed residues, average alcohol residues/r-CO<sub>2</sub> molecular ratios are estimated. |
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