Journal
SMALL
Volume 8, Issue 5, Pages 731-737Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201101297
Keywords
nanomaterials; gold nanorods; standing arrays; self-assembly; superlattices
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Funding
- NSERC Canada through the CRC
- NSERC
- NSF [DMR 09-69301]
- Ontario Ministry of Economic Development and Innovation
- U.S. Department of Energy, Office of Basic Energy Sciences [DE-AC02-98CH10886]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [969301] Funding Source: National Science Foundation
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Nanomaterials with vectoral electromagnetic properties have potential applications in solar cells, plasmonic cavity resonators, light polarizers, and biosensing. Here a new, simple, solution-based method for producing nanomaterials comprising vertically aligned standing arrays of gold nanorods (NRs) end-functionalized with polymer ligands is reported. The method utilizes the side-by-side assembly of the NRs into large 2D superlattices, followed by the precipitation of the lattices on a solid substrate. The critical design rules for the self-assembly of superlattices are demonstrated, and they show the generality of the method by forming standing arrays from the NRs end-tethered with poly(N-vinylcarbazole) or with polystyrene molecules.
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