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

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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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Publication details

The article was received on 19 Aug 2016, accepted on 06 Oct 2016 and first published on 07 Oct 2016

Article type: Paper
DOI: 10.1039/C6NR06608A
Citation: Nanoscale, 2016,8, 18461-18468
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    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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