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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51212

Title: Plasmonic effects arising from a grooved surface of a gold nanorod
Authors: Yuan-Fong Chou Chau
Chee Ming Lim
Nyuk Yoong Voo
Chuanyo Lee
Hung Ji Huang
Chun-ting Lin
Hai-Pang Chiang
Abdul Hanif Mahadi
Contributors: 國立臺灣海洋大學: 光電與材料科技學士學位學程(學系)
Date: 2017-02
Issue Date: 2018-11-16T07:27:23Z
Publisher: Journal of Physics D: Applied Physics
Abstract: Abstract: A single gold nanorod (GND) with a grooved surface is a unique structure which is composed of an array of grating notches or an array of air-holes on the surface of the metal nanorod (MND). In this paper, surface plasmon resonance (SPR) effects arising from the different patterns of GNDs with a grooved surface have been investigated by using finite element method and compared to the smooth surface of the same counterparts. Scattering cross section spectra of symmetric and asymmetric grooves on the surface of GNDs are studied to demonstrate that the proposed structures with a grooved surface can support the SPRs with enhanced both localization and propagation field intensities corresponding to their peak resonance wavelengths and polarization directions. The obtained longitudinal modes are beneficial for signal harvest, while the transverse modes are beneficial for signal emitting. These SPR effects can be useful for correlating specific plasmonic applications in the nanophotonic field with geometrical features on the nanometer scale and, therefore, provide a better understanding of the mechanism of the photoluminescence images on MNDs with/without a grooved surface.
Relation: 50(12)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51212
Appears in Collections:[光電科學研究所] 期刊論文

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