Chiral comma-shaped gold nanoparticles: fabrication and refractive index sensitivity

Chiral gold nanoparticles with asymmetric crescent shape have been fabricated using the In-situ resist colloidal lithography approach. Optical properties of these plasmonic particles have been studied experimentally and using the finite-difference time-domain simulations. Nanocommas exhibit a consid...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-09, Vol.1092 (1), p.12011
Main Author: Bochenkov, V E
Format: Article
Language:English
Subjects:
Dichroism
Finite difference time domain method
Gold
Nanoparticles
Optical properties
Refractivity
Sensitivity
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Summary:Chiral gold nanoparticles with asymmetric crescent shape have been fabricated using the In-situ resist colloidal lithography approach. Optical properties of these plasmonic particles have been studied experimentally and using the finite-difference time-domain simulations. Nanocommas exhibit a considerable circular dichroism with high anisotropic g-factor of about 0.2. Numerically studied refractive index sensitivity of the material has been demonstrated.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1092/1/012011