Growth and Self-Assembly of Ultrathin Au Nanowires
into Expanded Hexagonal Superlattice Studied by in Situ SAXS
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Abstract
We report the self-assembly of gold
nanowires into hexagonal superlattices
in liquid phase followed by in situ small-angle X-ray scattering and
give new insights into their growth mechanism. The unprecedented large
interwire distance of 8 nm strongly suggests the stabilization of
the ultrathin gold nanowires by a ligand’s double layer composed
of oleylamine and oleylammonium chloride. The one-dimensional growth
is discussed, opening perspectives toward the control growth and self-assemblies
of metallic nanowires
