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Stabilizing CO on Au with NO2: electronegative species as promoters on coinage metals?

Tianfu Zhang1, Zhi-Pan Liu, S M Driver

  • 1Department of Chemistry, University of Cambridge, UK.

Physical Review Letters
|February 21, 2006
PubMed

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The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
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