Technology Commercialization and Partnerships | BSA 09-30: Nano-object arrays by guided self-assembly

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Categories: advanced materials, nanotechnology

BSA 09-30: Nano-object arrays by guided self-assembly

BNL Reference Number: BSA 09-30

Patent Status: Non-Provisional filed on March 9, 2011

Summary

One- and two-dimensional arrays of nano-objects are formed by guided self-assembly. Nano-objects such as nanoparticles, quantum dots, nanowires, and others can be positioned at predetermined sites, generating an overall pattern by solution processing.

Description

Oligonucleotide recognition sequences are designed into an anchor strand tethered to a substrates. Complementary sequences are attached to nano-objects. When a solution containing the functionalized nanoparticles is contacted with the substrate, the complementary oligonucleotide sequences hybridize, localizing the nanoparticles at the desired point on the substrate.

Benefits

Bottom-up guided self-assembly makes positioning nano-objects within a couple of nanometers practical. Different nano-objects may be positioned in the same process step, making multiple yield-reducing procedures unnecessary.