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10 October 2007 DNA-directed assembly of nanocomponents for nanoelectronics, nanophotonics, and nanosensing
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A scheme for programmable nanoscale self-assembly that allows the precise arrangement of components in 2D or 3D geometries would have a wide range of applications. The ultrasmall size and programmability of the nucleotide subunits in DNA offer a versatile basis for such a scheme. In this paper, I discuss recent steps toward nanocomponent assembly by 2D DNA scaffolding, including 1) incorporation of 1.6-nm Au nanoparticles in a 2D DNA scaffolding, 2) in situ assembly of 5-nm metallic nanoparticle arrays with precisely controlled dimensions and 3) sequence-encoded assembly of different sized nanocomponents in a common scaffolding. In the near term, this ability to precisely assemble nanocomponent arrays could enable the study of electronic, magnetic and plasmonic interactions among particles in a regime where quantum confinement, Coulomb blockade, and magnetic effects play important roles. Eventually, such self-assembly techniques could lead to a manufacturing technology for nanoelectronics, nanophotonics, and nanosensing.
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Richard A. Kiehl "DNA-directed assembly of nanocomponents for nanoelectronics, nanophotonics, and nanosensing", Proc. SPIE 6768, Nanomaterials Synthesis, Interfacing, and Integrating in Devices, Circuits, and Systems II, 67680Z (10 October 2007);


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