Electrophoretic Sedimentation of Graphene Oxide on Cylindrical Surface of Microwires

Chuprov, P. N.; Zaitsev, E.V.; Buslaeva, E. Yu.; Губин, С. П.

doi:10.17725/rensit.2018.10.065

RENSIT

2018

DOI: 10.17725/rensit.2018.10.065

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Electrophoretic Sedimentation of Graphene Oxide on Cylindrical Surface of Microwires

P. N. Chuprov¹,

E.V. Zaitsev²,

E. Yu. Buslaeva³

et al.

Abstract: Abstract. Electrophoretic sedimentation of graphene oxide on both the flat surface of copper foils and on the cylindrical surface of copper wires was investigated. It is shown that during an electrophoresis of the order of minutes, it is possible to obtain graphene oxide (GO) films of micron thicknesses on copper wires, metal foils and anodes of complex shape. It has also been established that self-deposition occurs (without applying voltage) GO from dispersion on Cu, Ni, Al metals. This process is much slower… Show more

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2019

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Study of electrically conductive carbon textile materials obtained by electrophoretic deposition of graphene oxide

Сафонов¹,

Sapozhnikov²,

Морозова³

et al. 2019

Zavod. lab., Diagn. mater.

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Electrophoretic deposition is currently one of the most relevant technological methods for production of electrically conductive materials. In the work, the method of electrophoretic deposition obtained Electrically conductive materials based on carbon fibers (CF) have been obtained for the first time by electro-phoretic deposition using graphene oxide (GO) and silver nanoparticles. The obtained materials exhibit increased electrical conductivity, surface activity, and enhanced physical and mechanical properties. The purpose of the study is development of the methods for producing electrically conductive carbon textile materials by electrophoretic deposition of graphene oxide using galvanic deposition of silver nanoparticles from an electrolyte. Electrophoretic deposition was performed in 1 cm increments and at a constant voltage of 160 V during 20, 40, and 60 sec. Infrared spectroscopy data showed that GO particles are fixed on carbon textile materials. The carbon textile materials (CF/GO/NP Ag/60) thus obtained formed a new structure with several layers of graphene oxide and silver nanoparticles. The CF deposition increases the surface roughness of the hydrocarbon and thus improving the wettability and adhesion. An analysis of the spectra obtained by X-ray photoelectron spectroscopy for CF showed significant changes in the binding energy and the energy of excited photoelectrons. Compared with the initial hydrocarbons, the obtained carbon materials exhibited an increased content of silver and oxygen, whereas carbon to oxygen ratio decreased. The developed technique allowed us to obtain carbon textile materials with high electrical conductivity being 2.5 as much the original CF. Introduction of the silver nanoparticles contributes to filling of the surface cracks in CF. An increase in the share of reduced graphene oxide can significantly increase the surface roughness, electrical conductivity, surface energy and improve the screening properties of carbon textile materials. The effectiveness of screening in the obtained materials is 24.4 % higher than that in the initial CF which expands the potentiality of their application in novel technical textile products of the future.

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Study of electrically conductive carbon textile materials obtained by electrophoretic deposition of graphene oxide

Сафонов¹,

Sapozhnikov²,

Морозова³

et al. 2019

Zavod. lab., Diagn. mater.

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show abstract

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Electrophoretic Sedimentation of Graphene Oxide on Cylindrical Surface of Microwires

Cited by 1 publication

References 2 publications

Study of electrically conductive carbon textile materials obtained by electrophoretic deposition of graphene oxide

Study of electrically conductive carbon textile materials obtained by electrophoretic deposition of graphene oxide

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