Asymmetric nanomaterials (i.e. nanowires) have shown promise in energy collection, energy storage, and sensing platforms. Development of new assembly strategies will open up a wider range of materials and allow combination of multiple materials in a single architecture. Using nanoparticle interactions, such as van der Waals and electrostatics, researchers have created many fascinating new structures. Material and shape anisotropy complicate these interactions that are well understood for spherical nanoparticles. The work presented here addresses the assembly of particle dense arrays of single and multi-segment nanowires 4-8 �m in length and ~300 nm in diameter. Monte Carlo simulations are used in conjunction with experimental assemblies to explore the effect of van der Waals interactions on the alignment of material segments in striped nanowires. Multiple types of materials were examined in both horizontally and vertically oriented arrays. Planar and lithographically patterned assembly substrates were used to study the interparticle interactions in bulk particle assemblies and to isolate and orient small populations. 

Nanowire interactions and their effect on particle dense assemblies

247th National Meeting (2014)

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