Controlling the plasmon resonance of single metal nanoparticles by near-field anisotropic nanoscale photopolymerization.
We propose a new approach for tuning the Surface Plasmon (SP) resonance wavelength using hybrid nanoparticles. Our approach is based on nanoscale photopolymerization around metal nanoparticles. The enhanced optical near-field of silver nanoparticles triggers local photopolymerization. As a result, atomic force microscopy reveals two nanoscale polymerized lobes around nanoparticles, with a controlled effective index distribution. A spectral breaking degeneracy of surface plasmon resonance of the nanoparticles has been demonstrated by polarized extinction spectroscopy.
Ibn-El-Ahrach
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H
Laboratoire de Nanotechnologie et d'Instrumentation Optique, CNRS FRE 2848, Université de Technologie de Troyes, 12 rue Marie Curie, BP 2060 Troyes, France.
Bachelot
R
R
Lérondel
G
G
Vial
A
A
Grimault
A-S
AS
Plain
J
J
Royer
P
P
Soppera
O
O