Journal article

Anisotropically DNA-functionalized nanoparticle dimers

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Author list: Högberg, Björn;Olin, Håkan

Publication year: 2007

Start page: 299

End page: 302

Number of pages: 4

ISSN: 1434-6060

DOI: http://dx.doi.org/10.1140/epjd/e2007-00108-7

View additional information: View in Web of Science


Abstract

Self-assembly of complex, non-periodic nanostructures can only be achieved by using anisotropic building-blocks. The building blocks need to have at least four bonds pointing in separate directions [J. Comput. Theor. Nanosci. 3, 391 (2006)]. We have previously presented a method for the synthesis of such building-blocks using DNA-functionalized gold nanoparticles. Here, we report on the progress in the experimental realization of this scheme. The first goal, in a process to make programmable self-assembly building-blocks using nanoparticles, is the production of dimers with different DNA-functions on the two component particles. We report on the fabrication of anisotropically functionalized dimers of nanoparticles of two different sizes. As a result of their anisotropy, these demonstrator building blocks can be made to assemble into spherical structures.


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