A Study of Plasmonic Properties of a Rhodium I-shaped Nanomaterial
In this work, the optical properties of a rhodium I-shaped nanomaterial are studied. In the UV-visible regime, the scattering efficiency and the electric field are calculated via the finite-difference time-domain method, with the parameters varying including the height, the length ratio, and the polarization of the incident light. The results show that multiple resonance peaks are observed in the scattering spectrum in the ultraviolet region, corresponding to different electromagnetic modes. It is also revealed that the peak strength of the nanostructure can be effectively tuned by adjusting the structural parameters. The proposed rhodium nanomaterial may provide a theoretical basis for the design of optical devices in the ultraviolet regime. The obtained results provide useful guidance for the implementation of nanoantenna and fluorescence enhancement, etc.
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