Issue 85, 2016, Issue in Progress

A sensitive 2D plasmon ruler based on Fano resonance

Abstract

In this paper, we designed a 2D distance and rotation angle plasmon ruler based on Fano resonance of a trimer nanostructure, which consists of a concentric square nanoring–disk and an outside nanorod (CSRDR). The Fano dip energy and depth are fairly sensitive to the nanometer-scale displacements and rotations, when the nanodisk moves in all direction and rotates around its center. When the symmetry of the nanoring is broken, we can identify the moving and rotating direction of the nanodisk more accurately. We use the CSRDR nanostructure which supports a narrow line-width as a 2D plasmon ruler, which can enhance the sensitivity of a plasmon ruler significantly.

Graphical abstract: A sensitive 2D plasmon ruler based on Fano resonance

Article information

Article type
Paper
Submitted
12 May 2016
Accepted
07 Aug 2016
First published
15 Aug 2016

RSC Adv., 2016,6, 81757-81762

A sensitive 2D plasmon ruler based on Fano resonance

X. Liu, Y. Huo, M. Wang, S. Gao, C. Zhang, T. Ning, S. Jiang, P. Xiong and B. Man, RSC Adv., 2016, 6, 81757 DOI: 10.1039/C6RA12374K

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