Large-area spatially ordered arrays of gold nanoparticles directed by lithographically confined DNA origami.

作者: Albert M. Hung , Christine M. Micheel , Luisa D. Bozano , Lucas W. Osterbur , Greg M. Wallraff

DOI: 10.1038/NNANO.2009.450

关键词: Materials scienceNanoparticleNanobiotechnologyMolecular nanotechnologyNanoscopic scaleNanomaterialsNanotechnologyLithographyDNA origamiColloidal gold

摘要: The development of nanoscale electronic and photonic devices will require a combination the high throughput lithographic patterning resolution chemical precision afforded by self-assembly. However, incorporation nanomaterials with dimensions less than 10 nm into functional has been hindered disparity between their size 100 feature sizes that can be routinely generated lithography. Biomolecules offer bridge two regimes, sub-10 dimensions, synthetic flexibility capability for self-recognition. Here, we report directed assembly 5-nm gold particles large-area, spatially ordered, two-dimensional arrays through site-selective deposition mesoscopic DNA origami onto lithographically patterned substrates precise binding nanocrystals to each structure. We show organization registry both within an individual template components on neighbouring origami, expanding generality this method towards many types patterns sizes.

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