Journal
ACS NANO
Volume 10, Issue 8, Pages 7303-7306Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.6b03076
Keywords
DNA nanotechnology; nanostructure; origami; nanoparticle; self-assembly
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Funding
- Oxford Martin School Programme on Bio-Inspired Quantum Technologies
- Department of Education and Culture of the Basque Government
- Royal Society-Wolfson Research Merit Award
- Engineering and Physical Sciences Research Council [GR/A10274/01, 1211465] Funding Source: researchfish
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Nanostructured materials, including plasmonic metamaterials made from gold and silver nanoparticles, provide access to new materials properties. The assembly of nanoparticles into extended arrays can be controlled through surface functionalization and the use of increasingly sophisticated linkers. We present a versatile way to control the bonding symmetry of gold nanoparticles by wrapping them in flower -shaped DNA origami structures. These nanoflowers assemble into two-dimensonal gold nanoparticle lattices with symmetries that can be controlled through auxiliary DNA linker strands. Nanoflower lattices are true composites: interactions between the gold nanoparticles are mediated entirely by DNA, and the DNA origami will fold into its designed form only in the presence of the gold nanoparticles.
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