Electrophoretic mobility of silver nanoparticles stabilized with nonionic surfactant Ecosurf SA4: Origin of charged particles, concentration by electrophoresis and production of conductive coatings

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Electrophoretic mobility of silver nanoparticles stabilized with nonionic surfactant Ecosurf SA4: Origin of charged particles, concentration by electrophoresis and production of conductive coatings. / Popovetskiy, Pavel; Kasyanov, Alexei; Maximovskiy, Eugenie et al.

In: Journal of Molecular Liquids, Vol. 374, 121273, 15.03.2023.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{555cdca81af348f39f23866bef96b511,

title = "Electrophoretic mobility of silver nanoparticles stabilized with nonionic surfactant Ecosurf SA4: Origin of charged particles, concentration by electrophoresis and production of conductive coatings",

abstract = "Linear electrophoresis in silver organosols was investigated in this work. Silver nanoparticles were obtained in reverse micelles of the nonionic ethoxylated surfactant Ecosurf SA4. Electrokinetic phenomena in media with low dielectric permittivity are described for the first time for this class of surfactants. The study of the composition of this surfactant showed weakly bound chlorine. This allowed us to propose a mechanism for the stabilization of charged particles similar to the action of solvating nonpolar solvents like chloroform. This mechanism differs from that previously described for the case of both ionic and nonionic surfactants. The dependence of the electrokinetic ζ-potential of nanoparticles on the concentration of surfactant is investigated. Electrophoretic concentration with close to quantitative degree of extraction was carried out for the systems with a maximum ζ-potential value. Silver content in the concentrate is up to 1.9 mol L−1. Thermal treatment allows getting films with a silver content of up to 97% and a conductivity of up to 20 µOhm/□.",

keywords = "Charge stabilization, Conductive films, Electrophoretic mobility, Nanoparticles, Nonaqueous electrophoresis, Surfactants",

author = "Pavel Popovetskiy and Alexei Kasyanov and Eugenie Maximovskiy and Pavel Plyusnin",

note = "Funding: The work was financially supported by the Russian science foundation, project code 22-73-00144 and the Ministry of Science and Higher Education of the Russian Federation, No. 121031700315-2.",

year = "2023",

month = mar,

day = "15",

doi = "10.1016/j.molliq.2023.121273",

language = "English",

volume = "374",

journal = "Journal of Molecular Liquids",

issn = "0167-7322",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Electrophoretic mobility of silver nanoparticles stabilized with nonionic surfactant Ecosurf SA4: Origin of charged particles, concentration by electrophoresis and production of conductive coatings

AU - Popovetskiy, Pavel

AU - Kasyanov, Alexei

AU - Maximovskiy, Eugenie

AU - Plyusnin, Pavel

N1 - Funding: The work was financially supported by the Russian science foundation, project code 22-73-00144 and the Ministry of Science and Higher Education of the Russian Federation, No. 121031700315-2.

PY - 2023/3/15

Y1 - 2023/3/15

N2 - Linear electrophoresis in silver organosols was investigated in this work. Silver nanoparticles were obtained in reverse micelles of the nonionic ethoxylated surfactant Ecosurf SA4. Electrokinetic phenomena in media with low dielectric permittivity are described for the first time for this class of surfactants. The study of the composition of this surfactant showed weakly bound chlorine. This allowed us to propose a mechanism for the stabilization of charged particles similar to the action of solvating nonpolar solvents like chloroform. This mechanism differs from that previously described for the case of both ionic and nonionic surfactants. The dependence of the electrokinetic ζ-potential of nanoparticles on the concentration of surfactant is investigated. Electrophoretic concentration with close to quantitative degree of extraction was carried out for the systems with a maximum ζ-potential value. Silver content in the concentrate is up to 1.9 mol L−1. Thermal treatment allows getting films with a silver content of up to 97% and a conductivity of up to 20 µOhm/□.

AB - Linear electrophoresis in silver organosols was investigated in this work. Silver nanoparticles were obtained in reverse micelles of the nonionic ethoxylated surfactant Ecosurf SA4. Electrokinetic phenomena in media with low dielectric permittivity are described for the first time for this class of surfactants. The study of the composition of this surfactant showed weakly bound chlorine. This allowed us to propose a mechanism for the stabilization of charged particles similar to the action of solvating nonpolar solvents like chloroform. This mechanism differs from that previously described for the case of both ionic and nonionic surfactants. The dependence of the electrokinetic ζ-potential of nanoparticles on the concentration of surfactant is investigated. Electrophoretic concentration with close to quantitative degree of extraction was carried out for the systems with a maximum ζ-potential value. Silver content in the concentrate is up to 1.9 mol L−1. Thermal treatment allows getting films with a silver content of up to 97% and a conductivity of up to 20 µOhm/□.

KW - Charge stabilization

KW - Conductive films

KW - Electrophoretic mobility

KW - Nanoparticles

KW - Nonaqueous electrophoresis

KW - Surfactants

UR - https://www.mendeley.com/catalogue/8a7e1ba8-7ffb-399b-8340-4f9748a451c2/

U2 - 10.1016/j.molliq.2023.121273

DO - 10.1016/j.molliq.2023.121273

M3 - Article

VL - 374

JO - Journal of Molecular Liquids

JF - Journal of Molecular Liquids

SN - 0167-7322

M1 - 121273

ER -

ID: 44541335