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29 March 2017 Electrodynamic properties of aqueous spray-deposited SnO2:F films for infrared plasmonics
Robert E. Peale, Evan Smith, Hussain Abouelkhair, Isaiah O. Oladeji, Shiva Vangala, Tim Cooper, Gordon Grzybowski, Farnood Khalilzadeh-Rezaie, Justin W. Cleary
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Funded by: AFOSR LRIR
Optical Engineering, Vol. 56, Issue 3, 037109 (March 2017). https://doi.org/10.1117/1.OE.56.3.037109
Abstract
Electrodynamic properties of fluorine-doped tin oxide films grown by aqueous-spray-based heterogeneous reaction on heated hydrophilic substrates were investigated with emphasis on applications to infrared plasmonics. These properties were correlated with physical ones such as crystallinity, dopant and electron concentrations, conductivity, and mobility. The degree of crystallinity for the nanocrystalline films increases with F concentration and growth temperature. The F concentration in the films is proportional to that in the starting solution. Electron concentration and Hall mobility rise more slowly with F concentration. At their highest, both F and electron concentrations are ∼2% of the Sn concentration. In more lightly doped films, the electron concentration significantly exceeds the F concentration. The achieved resistivity of the doped films is lower than for undoped SnO2 film by 20 to 750 times. The infrared complex permittivity spectrum shows a shift in plasma wavelength from 15 to 2  μm with more than two orders increase in F concentration.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Robert E. Peale, Evan Smith, Hussain Abouelkhair, Isaiah O. Oladeji, Shiva Vangala, Tim Cooper, Gordon Grzybowski, Farnood Khalilzadeh-Rezaie, and Justin W. Cleary "Electrodynamic properties of aqueous spray-deposited SnO2:F films for infrared plasmonics," Optical Engineering 56(3), 037109 (29 March 2017). https://doi.org/10.1117/1.OE.56.3.037109
Received: 27 January 2017; Accepted: 9 March 2017; Published: 29 March 2017
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Cited by 17 scholarly publications.
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KEYWORDS
Fluorine
Plasmonics
Transparent conductors
Infrared radiation
Glasses
Electrodynamics
Crystals
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