Ultrasensitive LPFG corrosion sensor with Fe-C coating electroplated on a Gr/AgNW film

Chuanrui Guo; Liang Fan; Chenglin Wu; Genda Chen; Wei Li

doi:10.1016/j.snb.2018.12.059

Ultrasensitive LPFG corrosion sensor with Fe-C coating electroplated on a Gr/AgNW film

Chuanrui Guo, Liang Fan, Chenglin Wu, Genda Chen, Wei Li

Research output: Journal article publication › Journal article › Academic research › peer-review

35 Citations (Scopus)

Abstract

This paper presents the first report on an ultrasensitive Fe-C coated long period fiber gratings (LPFG) corrosion sensor with graphene (Gr) and silver nanowire (AgNW) composite as a conductive film for Fe-C electroplating. The Gr/AgNW composite was grown on copper foil, wet transferred and adhered to the curve surface of the fiber optic sensor under atmospheric pressure and heating conditions. For comparison, another Fe-C coated LPFG sensor was prepared with silver nano ink as a conductive film. Both sensors were tested for 72 h in 3.5 wt.% NaCl solution with simultaneous measurements of transmission spectrum and electrochemical impedance spectroscopy. Due to its high optical transparency, the Gr/AgNW composite increased the wavelength sensitivity and service life of a Fe-C coated LPFG sensor by over 90% and 110%, respectively. The effective depth of influence to the evanescent field surrounding the LPFG sensor was 23.6 μm with the silver film and greater than 30 μm with the Gr/AgNW film.

Original language	English
Pages (from-to)	334-342
Number of pages	9
Journal	Sensors and Actuators, B: Chemical
Volume	283
DOIs	https://doi.org/10.1016/j.snb.2018.12.059
Publication status	Published - 15 Mar 2019
Externally published	Yes

Keywords

Corrosion sensor
Fe-C coating
Graphene
Long period fiber gratings
Silver nanowire

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1016/j.snb.2018.12.059

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title = "Ultrasensitive LPFG corrosion sensor with Fe-C coating electroplated on a Gr/AgNW film",

abstract = "This paper presents the first report on an ultrasensitive Fe-C coated long period fiber gratings (LPFG) corrosion sensor with graphene (Gr) and silver nanowire (AgNW) composite as a conductive film for Fe-C electroplating. The Gr/AgNW composite was grown on copper foil, wet transferred and adhered to the curve surface of the fiber optic sensor under atmospheric pressure and heating conditions. For comparison, another Fe-C coated LPFG sensor was prepared with silver nano ink as a conductive film. Both sensors were tested for 72 h in 3.5 wt.% NaCl solution with simultaneous measurements of transmission spectrum and electrochemical impedance spectroscopy. Due to its high optical transparency, the Gr/AgNW composite increased the wavelength sensitivity and service life of a Fe-C coated LPFG sensor by over 90% and 110%, respectively. The effective depth of influence to the evanescent field surrounding the LPFG sensor was 23.6 μm with the silver film and greater than 30 μm with the Gr/AgNW film.",

keywords = "Corrosion sensor, Fe-C coating, Graphene, Long period fiber gratings, Silver nanowire",

author = "Chuanrui Guo and Liang Fan and Chenglin Wu and Genda Chen and Wei Li",

note = "Funding Information: This work was supported by U.S. National Science Foundation (NSF) ( CMMI-1235202 ), U.S. Department of Transportation ( OST-R-69A3551747126 ), and the Chinese Scholarship Council (CSC) for providing scholarship for the first author. The authors would like to thank Dr. R. Piner for his assistance to get Raman Spectroscopy. Publisher Copyright: {\textcopyright} 2018 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

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AU - Guo, Chuanrui

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AU - Wu, Chenglin

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AU - Li, Wei

N1 - Funding Information: This work was supported by U.S. National Science Foundation (NSF) ( CMMI-1235202 ), U.S. Department of Transportation ( OST-R-69A3551747126 ), and the Chinese Scholarship Council (CSC) for providing scholarship for the first author. The authors would like to thank Dr. R. Piner for his assistance to get Raman Spectroscopy. Publisher Copyright: © 2018 Elsevier B.V. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2019/3/15

Y1 - 2019/3/15

N2 - This paper presents the first report on an ultrasensitive Fe-C coated long period fiber gratings (LPFG) corrosion sensor with graphene (Gr) and silver nanowire (AgNW) composite as a conductive film for Fe-C electroplating. The Gr/AgNW composite was grown on copper foil, wet transferred and adhered to the curve surface of the fiber optic sensor under atmospheric pressure and heating conditions. For comparison, another Fe-C coated LPFG sensor was prepared with silver nano ink as a conductive film. Both sensors were tested for 72 h in 3.5 wt.% NaCl solution with simultaneous measurements of transmission spectrum and electrochemical impedance spectroscopy. Due to its high optical transparency, the Gr/AgNW composite increased the wavelength sensitivity and service life of a Fe-C coated LPFG sensor by over 90% and 110%, respectively. The effective depth of influence to the evanescent field surrounding the LPFG sensor was 23.6 μm with the silver film and greater than 30 μm with the Gr/AgNW film.

AB - This paper presents the first report on an ultrasensitive Fe-C coated long period fiber gratings (LPFG) corrosion sensor with graphene (Gr) and silver nanowire (AgNW) composite as a conductive film for Fe-C electroplating. The Gr/AgNW composite was grown on copper foil, wet transferred and adhered to the curve surface of the fiber optic sensor under atmospheric pressure and heating conditions. For comparison, another Fe-C coated LPFG sensor was prepared with silver nano ink as a conductive film. Both sensors were tested for 72 h in 3.5 wt.% NaCl solution with simultaneous measurements of transmission spectrum and electrochemical impedance spectroscopy. Due to its high optical transparency, the Gr/AgNW composite increased the wavelength sensitivity and service life of a Fe-C coated LPFG sensor by over 90% and 110%, respectively. The effective depth of influence to the evanescent field surrounding the LPFG sensor was 23.6 μm with the silver film and greater than 30 μm with the Gr/AgNW film.

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Ultrasensitive LPFG corrosion sensor with Fe-C coating electroplated on a Gr/AgNW film

Abstract

Keywords

ASJC Scopus subject areas

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