The European Physical Journal D

, Volume 43, Issue 1–3, pp 299–302 | Cite as

Anisotropically DNA-functionalized nanoparticle dimers

  • B. Högberg
  • H. OlinEmail author
Nano-crystals and Self-assembly


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.


81.16.Dn Self-assembly 81.16.Rf Nanoscale pattern formation 82.39.Pj Nucleic acids, DNA and RNA bases 


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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  1. 1.Department of Engineering Physics and MathematicsMid Sweden UniversitySundsvallSweden

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