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dc.contributor.authorKealley, Cat
dc.contributor.authorCortie, M.
dc.contributor.authorMaaroof, A.
dc.contributor.authorXu, X.
dc.date.accessioned2017-01-30T13:09:15Z
dc.date.available2017-01-30T13:09:15Z
dc.date.created2016-09-12T08:36:51Z
dc.date.issued2009
dc.identifier.citationKealley, C. and Cortie, M. and Maaroof, A. and Xu, X. 2009. The versatile colour gamut of coatings of plasmonic metal nanoparticles. Physical Chemistry Chemical Physics. 11 (28): pp. 5897-5902.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/29039
dc.identifier.doi10.1039/b903318a
dc.description.abstract

We have investigated the colour gamut of coatings produced by the growth of plasmonically-active coatings of cap-shaped Au or Ag nanoparticles on a transparent substrate. The control of colour and spectral selectivity that can be obtained by the manipulation of the rates of nucleation and growth were explored using a combination of experiment and calculation. In our experimental work the Au nanoparticles were grown in situ using a wet chemical electroless plating technique while the Ag nanoparticles were produced by physical vapour deposition. The optical properties were numerically simulated using the discrete dipole approximation. The resulting measured or calculated transmission spectra were mapped to the CIE L-a*-b* colour space. The aspect ratio of the nanoparticles was the primary factor in determining the colours in both cases. However, increasing the nucleation rate of the particles resulted in them becoming more closely packed, which also red-shifted the optical extinction peak of the structure due to interactions of their near-fields. This caused an enhancement in the blue component of the transmitted light. Coatings of Ag particles had a significantly wider and brighter colour gamut than those of Au. © 2009 the Owner Societies.

dc.publisherR S C Publications
dc.titleThe versatile colour gamut of coatings of plasmonic metal nanoparticles
dc.typeJournal Article
dcterms.source.volume11
dcterms.source.number28
dcterms.source.startPage5897
dcterms.source.endPage5902
dcterms.source.issn1463-9076
dcterms.source.titlePhysical Chemistry Chemical Physics
curtin.departmentDepartment of Medical Radiation Sciences
curtin.accessStatusFulltext not available


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