Research Article

Density Functional Investigation of the Inclusion of Gold Clusters on a CH3S Self-Assembled Lattice on Au(111)

Table 1

Calculated geometric parameters characterizing the (√3 × √3)-R30°-CH3S self-assembled lattice containing Au clusters with increasing sizes. Structures are displayed in Figure 2.

ParameterAu-freeAu1Au2Au3Au4Au5Au6Au7

, Å248111523
(S), Å2.2492.5442.7262.7492.7792.7912.847
(Au), Å2.0642.0912.1152.1252.1432.1502.168
(Au), Å2.3052.1932.2742.3022.2812.2412.280

, area of the Au cluster deposited on the (111) Au surface; (S), average height of the S atoms with respect to the Au(111) surface; (Au), average height of the Au cluster with respect to the Au(111) surface in a SAM-free substrate; (Au), average height of the Au cluster covered by the self-assembly with respect to the Au(111) surface.