ACS Nano
ACS Nano
5 years ago

Supra-Nanoparticle Functional Assemblies through Programmable Stacking

Supra-Nanoparticle Functional Assemblies through Programmable Stacking
Huolin L. Xin, Marco Aurelio L. Cordeiro, Donald DiMarzio, Mingzhao Liu, Lior Shani, Yosef Yeshurun, Julien Lhermitte, Oleg Gang, Cheng Tian, Chunli Ma
The quest for the by-design assembly of material and devices from nanoscale inorganic components is well recognized. Conventional self-assembly is often limited in its ability to control material morphology and structure simultaneously. Here, we report a general method of assembling nanoparticles in a linear “pillar” morphology with regulated internal configurations. Our approach is inspired by supramolecular systems, where intermolecular stacking guides the assembly process to form diverse linear morphologies. Programmable stacking interactions were realized through incorporation of DNA coded recognition between the designed planar nanoparticle clusters. This resulted in the formation of multilayered pillar architectures with a well-defined internal nanoparticle organization. By controlling the number, position, size, and composition of the nanoparticles in each layer, a broad range of nanoparticle pillars were assembled and characterized in detail. In addition, we demonstrated the utility of this stacking assembly strategy for investigating plasmonic and electrical transport properties.

Publisher URL: http://dx.doi.org/10.1021/acsnano.7b02671

DOI: 10.1021/acsnano.7b02671

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