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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41293

Title: Plasmonic spectrum on 1D and 2D periodic arrays of rod-shape metal nanoparticle pairs with different core patterns for biosensor and solar cell applications
Authors: N T R N Kumara
Yuan-Fong Chou Chau
Jin-Wei Huang
Hung Ji Huang
Chun-Ting Lin
Hai-Pang Chiang
Contributors: 國立臺灣海洋大學:光電科學研究所
Keywords: finite element method
surface plasmon resonance
near field intensity
absorption efficiency
Date: 2016
Issue Date: 2017-02-14T02:32:43Z
Publisher: Journal of Optics
Abstract: Abstract
Simulations of surface plasmon resonance (SPR) on the near field intensity and absorption spectra of one-dimensional (1D) and two-dimensional (2D) periodic arrays of rod-shape metal nanoparticle (MNP) pairs using the finite element method (FEM) and taking into account the different core patterns for biosensor and solar cell applications are investigated. A tunable optical spectrum corresponding to the transverse SPR modes is observed. The peak resonance wavelength (λres) can be shifted to red as the core patterns in rod-shape MNPs have been changed. We find that the 2D periodic array of core–shell MNP pairs (case 2) exhibit a red shifted SPR that can be tuned the gap enhancement and absorption efficiency simultaneously over an extended wavelength range. The tunable optical performances give us a qualitative idea of the geometrical properties of the periodic array of rod-shape MNP pairs on SPRs that can be as a promising candidate for plasmonic biosensor and solar cell applications.
Relation: 18(11)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41293
Appears in Collections:[光電科學研究所] 期刊論文

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