Influence of the crystalline structure of metal films on the performance of plasmonic biosensors

Yu V. Stebunov, Dmitry I. Yakubovsky, V. G. Leiman, Aleksey V. Arsenin, Valentyn S. Volkov

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Abstrakt

The development of plasmonic biosensors requires careful consideration of various factors associated with the deposition of thin metal films. The quality of metal films is mostly determined by their polycrystalline structure, where smaller crystallite sizes produce higher optical losses. In present work we obtained the dependence of optical losses in thin gold and copper films on their thicknesses. These experimental results are used for the analysis of the performance of plasmonic biosensors, which demonstrate an increase in the limit of detection of up to 50% and 35% for gold and copper films, respectively.
OriginalsprogEngelsk
Artikelnummer012143
BogserieJournal of Physics: Conference Series
Vol/bind1092
Sider (fra-til)1-4
ISSN1742-6596
DOI
StatusUdgivet - 2018
Begivenhed3rd International Conference on Metamaterials and Nanophotonics, METANANO 2018 - Sochi, Rusland
Varighed: 17. sep. 201821. sep. 2018

Konference

Konference3rd International Conference on Metamaterials and Nanophotonics, METANANO 2018
Land/OmrådeRusland
BySochi
Periode17/09/201821/09/2018

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