AI Article Synopsis
- * The researchers evaluated the enthalpy and entropy of the adsorption process, revealing that while the adsorbates repel each other based on enthalpy, they attract each other from an entropy standpoint.
- * The findings indicate that analyzing entropy is crucial for understanding electroadsorption behaviors, emphasizing the role of water as a potential mediator in adsorbate interactions.
Article Abstract
We report the temperature influence of the OH and O electroadsorption on RuO(110) films grown on TiO(110) crystals in alkaline media. From the temperature effect, we evaluate the enthalpy and entropy of the OH and O electroadsorption, including the adsorbate-adsorbate interactions that we analyze using the interaction parameters of the Frumkin-isotherm model. We found that the adsorbates repel each other enthalpically but attract each other entropically. Our result suggests that an entropy analysis is necessary to capture the electroadsorption behavior on RuO since the enthalpy-entropy competition strongly influences the electroadsorption behavior. Our observation of an entropic force is consistent with the view that water may be a mediator for adsorbate-adsorbate interactions.
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| http://dx.doi.org/10.1063/1.5139049 | DOI Listing |
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