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Issue 43, 2016
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Dual-band moiré metasurface patches for multifunctional biomedical applications

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Abstract

There has been strong interest in developing multi-band plasmonic metasurfaces for multiple optical functions on single platforms. Herein, we developed Au moiré metasurface patches (AMMP), which leverage the tunable multi-band responses of Au moiré metasurfaces and the additional field enhancements of the metal–insulator–metal configuration to achieve dual-band plasmon resonance modes in near-infrared and mid-infrared regimes with high field enhancement. Furthermore, we demonstrate the multifunctional applications of AMMP, including surface-enhanced infrared spectroscopy, optical capture and patterning of bacteria, and photothermal denaturation of proteins. With their multiple functions of high performance, in combination with cost-effective fabrication using moiré nanosphere lithography, the AMMP will enable the development of highly integrated biophotonic platforms for a wide range of applications in disease theranostics, sterilization, and the study of microbiomes.

Graphical abstract: Dual-band moiré metasurface patches for multifunctional biomedical applications

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Supplementary files

Article information


Submitted
19 Aug 2016
Accepted
06 Oct 2016
First published
07 Oct 2016

Nanoscale, 2016,8, 18461-18468
Article type
Paper

Dual-band moiré metasurface patches for multifunctional biomedical applications

Z. Wu, G. Kelp, M. N. Yogeesh, W. Li, K. M. McNicholas, A. Briggs, B. B. Rajeeva, D. Akinwande, S. R. Bank, G. Shvets and Y. Zheng, Nanoscale, 2016, 8, 18461
DOI: 10.1039/C6NR06608A

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