Directing synthetic and bio-nanoparticle self-assembly at liquid and polymer interfaces

  • He, Jinbo
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Publication date
January 2009
Publisher
ScholarWorks@UMass Amherst

Abstract

Nanoparticles have unique properties, compared with their bulk materials, and potential applications in nanotechnology. To realize this potential, controlled assemblies of nanoparticles into regular patterns on surfaces, at interfaces and in three dimensions are crucial. The assembly of nanoparticles at interfaces is a simple and effective strategy to realize hierarchical assemblies. In this thesis, the packing of nanorods at the interface between oil and water was investigated. CdSe nanorods were found to assemble at the oil-water interface and the structure was probed in-situ by small angle neutron scattering. When nanorod-covered droplets were dried on a substrate, the decrease in interfacial area produced an in-plane compression, and a ...

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