Title: Layer-by-Layer synthesis and tunable optical properties of hybrid magnetic–plasmonic nanocomposites using short bifunctional molecular linkers
Authors: Brullot, Ward ×
Strobbe, Rik
Bynens, Maud
Bloemen, Maarten
Demeyer, Pieter-Jan
Vanderlinden, Willem
De Feyter, Steven
Valev, Ventsislav
Verbiest, Thierry #
Issue Date: Mar-2014
Publisher: North-Holland
Series Title: Materials Letters vol:118 pages:99-102
Abstract: Spurred by research in magnetoplasmonics, plasmon-enhanced magneto-optical effects and active plasmonics, the demand for hybrid magnetic–plasmonic nanoparticle-based materials of optical quality is high. Currently used synthesis methods involve possibly interfering polymer media or polyelectrolyte interlayers, grooved supports or non-transparent substrates. To obtain homogeneous, partially transparent and polymer/polyelectrolyte-free magnetic–plasmonic nanocomposites with angle-independent optical properties, we produced hybrid gold–magnetite and silver–magnetite nanocomposites by a novel Layer- by-Layer synthesis using short bifunctional molecular linkers on glass substrates. Resulting nanocomposites had high nanoparticle filling fractions and showed tunability of the plasmon wavelength over a very broad spectral range by changing composite thickness through the number of added nanoparticle layers. The angle- independence of optical properties and the abilities to switch the plasmonic material and to tune the plasmon resonances of the magnetic–plasmonic composites make these materials a unique platform for magnetoplasmonic research.
ISSN: 0167-577X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
Chemistry - miscellaneous
× corresponding author
# (joint) last author

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