Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Fabrication of Various Plasmonic Nano-aperture Platforms with a ~10 nm Width

Version 1 : Received: 4 October 2020 / Approved: 5 October 2020 / Online: 5 October 2020 (16:57:24 CEST)

How to cite: Choi, S.S.; Kim, K.J.; Park, M.J.; Bae, B.S.; Lee, Y.; KIm, H.T.; Choi, S.B. Fabrication of Various Plasmonic Nano-aperture Platforms with a ~10 nm Width. Preprints 2020, 2020100099 (doi: 10.20944/preprints202010.0099.v1). Choi, S.S.; Kim, K.J.; Park, M.J.; Bae, B.S.; Lee, Y.; KIm, H.T.; Choi, S.B. Fabrication of Various Plasmonic Nano-aperture Platforms with a ~10 nm Width. Preprints 2020, 2020100099 (doi: 10.20944/preprints202010.0099.v1).

Abstract

We fabricated the nano-aperture plasmonic platforms for single molecule detection and other various applications such as infrared thermal emission device. The nano-apertures including the nanopores on the pyramid, and the nano-slits on the Au flat membrane were fabricated using a Ga ion focused ion beam drilling technique, followed by high energy electron beam irradiations dependent upon the electron beam current density. The nanopores with a few nanometer size and the nanoslit array with order of ~ 100 nm width were fabricated. Optical characteristics for the various nanoslits were examined dependent upon the slit opening width and sample thickness. The broad emission spectra from the (7x 7) slit array are obtained from spp-mediated emission in the visible and infrared region. A sharp strong infrared emission peak is also obtained due to Au nanoparticle. The fabricated Au platform can be utilized as single molecule sensor and infrared thermal emission device.

Subject Areas

Au nano-pore; surface plasmon polariton; pyramidal aperture; intraband emission; nanoslit array

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