Scattering Spectra of Single Gold Nanoshells | Zendy

Colleen L. Nehl | Zendy; Nathaniel K. Grady | Zendy; Glenn P. Goodrich | Zendy; Felicia Tam | Zendy; Naomi J. Halas | Zendy; Jason H. Hafner | Zendy

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Scattering Spectra of Single Gold Nanoshells

Author(s) -

Colleen L. Nehl,

Nathaniel K. Grady,

Glenn P. Goodrich,

Felicia Tam,

Naomi J. Halas,

Jason H. Hafner

Publication year - 2004

Publication title -

nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.853

H-Index - 488

eISSN - 1530-6992

pISSN - 1530-6984

DOI - 10.1021/nl048610a

Subject(s) - nanoshell , mie scattering , scattering , plasmon , molecular physics , surface plasmon resonance , spectral line , spectroscopy , materials science , particle (ecology) , optics , surface plasmon , nanoparticle , atomic physics , chemistry , light scattering , physics , nanotechnology , oceanography , quantum mechanics , astronomy , geology

Single particle dark field spectroscopy has been combined with high-resolution scanning electron and atomic force microscopy to study the scattering spectra of single gold/silica nanoshells. The plasmon resonant peak energies match those calculated by Mie theory based on the nanoshell geometry. The resonance line widths fit Mie theory without the inclusion of a size-dependent surface scattering term, which is often included to fit ensemble measurements. These results suggest that plasmon spectral measurements of nanoparticle ensembles are broadened due to particle inhomogeneity.

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