Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids

Abstract Understanding the internal structure of composite nanofluids is critical for controlling their properties and engineering advanced composite nanofluid systems for various applications. This goal can be made possible by precise analysis with the help of a systematic robust platform. Here, we...

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Autores principales:	Hye Jung Lee, Seoung-Jai Bai, Young Seok Song
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cd5b84df852643acb06c3d13e1c5aa5c
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spelling	oai:doaj.org-article:cd5b84df852643acb06c3d13e1c5aa5c2021-12-02T16:06:03ZMicrofluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids10.1038/s41598-017-00760-12045-2322https://doaj.org/article/cd5b84df852643acb06c3d13e1c5aa5c2017-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00760-1https://doaj.org/toc/2045-2322Abstract Understanding the internal structure of composite nanofluids is critical for controlling their properties and engineering advanced composite nanofluid systems for various applications. This goal can be made possible by precise analysis with the help of a systematic robust platform. Here, we demonstrate a microfluidic device that can control the orientation of carbon nanomaterials in a suspension by applying external fields and subsequently examine the electrochemical properties of the fluids at microscale. Composite nanofluids were prepared using carbon nanomaterials, and their rheological, thermal, electrical, and morphological characteristics were examined. The analysis revealed that microfluidic electrochemical impedance spectroscopy (EIS) in the device offered more reliable in-depth information regarding the change in the microstructure of carbon composite nanofluids than typical bulk measurements. Equivalent circuit modelling was performed based on the EIS results. Furthermore, the hydrodynamics and electrostatics of the microfluidic platform were numerically investigated. We anticipate that this microfluidic approach can serve as a new strategy for designing and analyzing composite nanofluids more efficiently.Hye Jung LeeSeoung-Jai BaiYoung Seok SongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hye Jung Lee Seoung-Jai Bai Young Seok Song Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids
description	Abstract Understanding the internal structure of composite nanofluids is critical for controlling their properties and engineering advanced composite nanofluid systems for various applications. This goal can be made possible by precise analysis with the help of a systematic robust platform. Here, we demonstrate a microfluidic device that can control the orientation of carbon nanomaterials in a suspension by applying external fields and subsequently examine the electrochemical properties of the fluids at microscale. Composite nanofluids were prepared using carbon nanomaterials, and their rheological, thermal, electrical, and morphological characteristics were examined. The analysis revealed that microfluidic electrochemical impedance spectroscopy (EIS) in the device offered more reliable in-depth information regarding the change in the microstructure of carbon composite nanofluids than typical bulk measurements. Equivalent circuit modelling was performed based on the EIS results. Furthermore, the hydrodynamics and electrostatics of the microfluidic platform were numerically investigated. We anticipate that this microfluidic approach can serve as a new strategy for designing and analyzing composite nanofluids more efficiently.
format	article
author	Hye Jung Lee Seoung-Jai Bai Young Seok Song
author_facet	Hye Jung Lee Seoung-Jai Bai Young Seok Song
author_sort	Hye Jung Lee
title	Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids
title_short	Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids
title_full	Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids
title_fullStr	Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids
title_full_unstemmed	Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids
title_sort	microfluidic electrochemical impedance spectroscopy of carbon composite nanofluids
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/cd5b84df852643acb06c3d13e1c5aa5c
work_keys_str_mv	AT hyejunglee microfluidicelectrochemicalimpedancespectroscopyofcarboncompositenanofluids AT seoungjaibai microfluidicelectrochemicalimpedancespectroscopyofcarboncompositenanofluids AT youngseoksong microfluidicelectrochemicalimpedancespectroscopyofcarboncompositenanofluids
_version_	1718385176712577024

Microfluidic Electrochemical Impedance Spectroscopy of Carbon Composite Nanofluids

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