DNA nanostructure-directed assembly of metal nanoparticle superlattices

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Abstract

Structural DNA nanotechnology provides unique, well-controlled, versatile, and highly addressable motifs and templates for assembling materials at the nanoscale. These methods to build from the bottom-up using DNA as a construction material are based on programmable and fully predictable Watson-Crick base pairing. Researchers have adopted these techniques to an increasing extent for creating numerous DNA nanostructures for a variety of uses ranging from nanoelectronics to drug-delivery applications. Recently, an increasing effort has been put into attaching nanoparticles (the size range of 1–20 nm) to the accurate DNA motifs and into creating metallic nanostructures (typically 20–100 nm) using designer DNA nanoshapes as molds or stencils. By combining nanoparticles with the superior addressability of DNA-based scaffolds, it is possible to form well-ordered materials with intriguing and completely new optical, plasmonic, electronic, and magnetic properties. This focused review discusses the DNA structure-directed nanoparticle assemblies covering the wide range of different one-, two-, and three-dimensional systems.

Details

Original languageEnglish
Article number119
Number of pages11
JournalJournal of Nanoparticle Research
Volume20
Issue number5
Publication statusPublished - 1 May 2018
MoE publication typeA2 Review article in a scientific journal

    Research areas

  • DNA nanotechnology, DNA origami, Metal nanoparticles, Nucleic acids, Plasmonics, Self-assembly

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