The effect of size of Au nanodisc on the localized surface plasmon resonance simulated using finite-difference time-domain (FDTD) method

This work studies the effect of different diameter sizes of Au nanodisc on the plasmonic surface plasmon resonance simulated using FDTD method. The extinction efficiency and the local field intensity enhancement have been observed via manipulating diameter sizes of the Au nanodisc whilst fixing its...

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Bibliographic Details
Published in:Materials today : proceedings 2019, Vol.7, p.607-611
Main Authors: Hassan, Nor Ahya, Hashim, Abdul Manaf
Format: Article
Language:English
Subjects:
Au nanodisc
FDTD
LSPR
plasmonic
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Summary:This work studies the effect of different diameter sizes of Au nanodisc on the plasmonic surface plasmon resonance simulated using FDTD method. The extinction efficiency and the local field intensity enhancement have been observed via manipulating diameter sizes of the Au nanodisc whilst fixing its thickness to 5nm. This plasmonic effect tailoring steps can provide for many potential applications for design and fabrication of plasmonic devices. Both the extinction efficiency and electric field intensity at the center of the Au nanodisc show significant enhancement with the increase of diameter sizes. This observation of localized surface plasmon effect on the different size of the Au nanodisc are expected to provide understanding on the design of plasmonic hot carrier generation.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2018.12.014