Journal
NANO LETTERS
Volume 11, Issue 1, Pages 273-278Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl103726k
Keywords
Gold nanorods; gold nanostructure; crystal growth; electron microscopy; electron tomography; scanning transmission electron microscopy
Categories
Funding
- Monash University
- Australian Research Council (ARC) [LE0454166, FF0561486]
- University of Melbourne
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We determine the three-dimensional shape, to within 1 nm resolution, of single-crystal gold nanorods grown in the presence of silver ions using electron tomography and thickness profile measurements. We find that, contrary to the current literature, the octagonal side-facets are sparsely packed atomic planes all belonging to the same symmetry-equivalent family, {0 5 12}. Furthermore, the rod ends terminate in a pyramid with slightly different facets, and each pyramid is connected to the sides by four small {0 5 12} bridging facets.
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