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The geometrical and electronic properties of Pt13, Au13, Pt12Au and Au12Pt are investigated systematically by first-principle calculations combined with the genetic algorithm. A new candidate for the ground-state of Pt13 is found, and there exists energetically closer isomers to the ground-state of the pure 13-atom clusters (especially for Au13), but the isomerization to the ground-state of the pure...
Compared with the inert metal (gold), the active metal (Cd) is much more prone to oxidation, leading to its high oxidation state. In this work, we found that doping the homogold Au25(SR)18 nanocluster with cadmium largely enhances its stability. The differential pulse voltammetry (DPV) analysis suggested that Cd doping raised the high occupied molecular orbital (HOMO) energy of homogold Au25 nanocluster,...
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