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Probing The Size Dependent Chemical Properties Of Metals In Reduced Dimension, Xiangshi Yin
Probing The Size Dependent Chemical Properties Of Metals In Reduced Dimension, Xiangshi Yin
Doctoral Dissertations
Heterogeneously catalyzed reactions typically start with adsorption and dissociation of reactant molecules on the surface of a solid catalyst. In many instances, this is followed by surface diffusion of the adsorbed species, chemical reaction, and removal of the product molecule. According to the Sabatier principle, optimal catalytic performance requires that the bonding between the adsorbate molecule and the surface should neither be too strong nor too weak. This bonding strength is directly related to the catalyst’s surface electronic structure and hence, electronic structure modification would seem a promising approach for tuning catalytic activity.
There have been many studies along this …