Colloidal Alchemy: Conversion of Polystyrene Nanoclusters into Gold | Zendy

Chomette Cyril | Zendy; TréguerDelapierre Mona | Zendy; Schade Nicholas B. | Zendy; Manoharan Vinothan N. | Zendy; Lambert Olivier | Zendy; Taveau JeanChristophe | Zendy; Ravaine Serge | Zendy; Duguet Etienne | Zendy

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Colloidal Alchemy: Conversion of Polystyrene Nanoclusters into Gold

Author(s) -

Chomette Cyril,

TréguerDelapierre Mona,

Schade Nicholas B.,

Manoharan Vinothan N.,

Lambert Olivier,

Taveau JeanChristophe,

Ravaine Serge,

Duguet Etienne

Publication year - 2017

Publication title -

chemnanomat

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.947

H-Index - 32

ISSN - 2199-692X

DOI - 10.1002/cnma.201600315

Subject(s) - nanoclusters , polystyrene , materials science , nanotechnology , transmission electron microscopy , isotropy , electron tomography , plasmon , etching (microfabrication) , colloidal gold , adsorption , chemical engineering , nanoparticle , scanning transmission electron microscopy , optoelectronics , composite material , optics , chemistry , polymer , layer (electronics) , physics , engineering

Isotropic plasmonic clusters consisting of a controlled number of gold satellites around a silica core are fabricated from silica/polystyrene tetrapod, hexapod, and dodecapod templates. The synthetic pathway includes stages of site‐specific seed adsorption, seed‐mediated growth, and iterative etching/regrowth to reshape the satellites into spheroids. Transmission electron microscopy and electron tomography provide evidence of the symmetry of the clusters. This work paves the way for a comprehensive study of their optical properties.

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