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dimanche 30 avril 2017

Electrokinetic Assembly of One-Dimensional Nanoparticle Chains with Cucurbit[7]uril Controlled Subnanometer Junctions

Husken N., Taylor R. W., Zigah D., Taveau J.-C., Lambert O., Scherman O. A., Baumberg J. J., Kuhn A.,
Nano Lett. 2013, 13, 6016–6022.

One-dimensional (1D) nanoparticle chains with defined nanojunctions are of strong interest due to their plasmonic and electronic properties. A strategy is presented for the assembly of 1D gold-nanoparticle chains with fixed and rigid cucurbit[n]uril-nanojunctions of 9 Å. The process is electrokinetically accomplished using a nanoporous polycarbonate membrane and controlled by the applied voltage, the nanoparticle/CB[n] concentration ratio, time and temperature. The spatial structure and time-resolved analysis of chain plasmonics confirm a growth mechanism at the membrane nanopores.

 

NanoLett2013 p6016 TOC

Références

Propulsion of microobjects by dynamic bipolar self-regeneration
J. Am. Chem. Soc. 2010132, 15918-15919.

Multiresponsive hybrid microgels and hollow capsules with a layered structure
Langmuir 200925, 4659-4667.

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