Abstract
Adsorption potentials have been calculated for N2 and CO adsorbed on the (111) germanium surface plane. Apart from dispersion and repulsion contributions, electrostatic interactions arising from trapped electrons on the surface were considered. These contributions were expressed by means of a double layer potential arising from trapped electrons on the surface and holes in the bulk. It has been shown that, for an electron density value consistent with experimental data on Ge, the double layer potential contributes substantially to the total adsorption potential. The calculated values of the amount adsorbed on the Ge (111) plane and heats of adsorption resemble the experimental results closely.
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions 2
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