How Do Self-Ordered Silver Nanocrystals Influence Their Growth into Triangular Single Crystals?
journal contributionposted on 10.01.2008, 00:00 by A.-I. Henry, A. Courty, N. Goubet, M.-P. Pileni
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Thin triangular silver single crystals are obtained by annealing self-ordered 5 nm silver nanocrystals coated with decanethiol at 50 °C and deposited on highly oriented pyrolitic graphite (HOPG). With the annealing time, the nanocrystals coalesce progressively in the 2D hexagonal arrays and 3D face-centered cubic (fcc) superlattices. By controlling the ordering degree of the nanocrystal assemblies, we observe that the size of the ordered domains tunes the final size of the triangles.