On the impact of surfactant type on the structure of aqueous ferrofluids

V. I. Petrenko, O. P. Artykulnyi, L. A. Bulavin, L. Almásy, V. M. Garamus, O. I. Ivankov, N. A. Grigoryeva, L. Vekas, P. Kopcansky, M. V. Avdeev

Research output

6 Citations (Scopus)

Abstract

The impact of surfactant type on the structure organization of aqueous ferrofluids was considered based on the data of small-angle neutron scattering (SANS). The aggregates of different sizes and types were observed for magnetite magnetic nanoparticles of in heavy water stabilized by sodium oleate (SO) or dodecylbenzene sulphonic acid (DBSA). According to the surface tension measurements it was shown the significant difference of the critical micelle concentrations for SO and DBSA solutions. The observed structural difference of the aggregates in the ferrofluids was related to the behaviour of surfactant molecules in aqueous solutions including the structure and interaction parameters of micelles (micelle aggregation number, fractional charge, charge per micelle and surface potential, etc.) derived from the SANS analysis.

Original languageEnglish
Pages (from-to)222-226
Number of pages5
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume541
DOIs
Publication statusPublished - 20 Mar 2018

Fingerprint

Magnetic fluids
ferrofluids
Micelles
Surface-Active Agents
micelles
Surface active agents
Sulfonic Acids
surfactants
Neutron scattering
sulfonic acid
Sodium
Ferrosoferric Oxide
Deuterium Oxide
Heavy water
neutron scattering
Acids
Critical micelle concentration
sodium
Surface potential
Magnetite

Scopus subject areas

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Petrenko, V. I., Artykulnyi, O. P., Bulavin, L. A., Almásy, L., Garamus, V. M., Ivankov, O. I., ... Avdeev, M. V. (2018). On the impact of surfactant type on the structure of aqueous ferrofluids. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 541, 222-226. https://doi.org/10.1016/j.colsurfa.2017.03.054
Petrenko, V. I. ; Artykulnyi, O. P. ; Bulavin, L. A. ; Almásy, L. ; Garamus, V. M. ; Ivankov, O. I. ; Grigoryeva, N. A. ; Vekas, L. ; Kopcansky, P. ; Avdeev, M. V. / On the impact of surfactant type on the structure of aqueous ferrofluids. In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2018 ; Vol. 541. pp. 222-226.
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Petrenko, VI, Artykulnyi, OP, Bulavin, LA, Almásy, L, Garamus, VM, Ivankov, OI, Grigoryeva, NA, Vekas, L, Kopcansky, P & Avdeev, MV 2018, 'On the impact of surfactant type on the structure of aqueous ferrofluids', Colloids and Surfaces A: Physicochemical and Engineering Aspects, vol. 541, pp. 222-226. https://doi.org/10.1016/j.colsurfa.2017.03.054

On the impact of surfactant type on the structure of aqueous ferrofluids. / Petrenko, V. I.; Artykulnyi, O. P.; Bulavin, L. A.; Almásy, L.; Garamus, V. M.; Ivankov, O. I.; Grigoryeva, N. A.; Vekas, L.; Kopcansky, P.; Avdeev, M. V.

In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 541, 20.03.2018, p. 222-226.

Research output

TY - JOUR

T1 - On the impact of surfactant type on the structure of aqueous ferrofluids

AU - Petrenko, V. I.

AU - Artykulnyi, O. P.

AU - Bulavin, L. A.

AU - Almásy, L.

AU - Garamus, V. M.

AU - Ivankov, O. I.

AU - Grigoryeva, N. A.

AU - Vekas, L.

AU - Kopcansky, P.

AU - Avdeev, M. V.

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Y1 - 2018/3/20

N2 - The impact of surfactant type on the structure organization of aqueous ferrofluids was considered based on the data of small-angle neutron scattering (SANS). The aggregates of different sizes and types were observed for magnetite magnetic nanoparticles of in heavy water stabilized by sodium oleate (SO) or dodecylbenzene sulphonic acid (DBSA). According to the surface tension measurements it was shown the significant difference of the critical micelle concentrations for SO and DBSA solutions. The observed structural difference of the aggregates in the ferrofluids was related to the behaviour of surfactant molecules in aqueous solutions including the structure and interaction parameters of micelles (micelle aggregation number, fractional charge, charge per micelle and surface potential, etc.) derived from the SANS analysis.

AB - The impact of surfactant type on the structure organization of aqueous ferrofluids was considered based on the data of small-angle neutron scattering (SANS). The aggregates of different sizes and types were observed for magnetite magnetic nanoparticles of in heavy water stabilized by sodium oleate (SO) or dodecylbenzene sulphonic acid (DBSA). According to the surface tension measurements it was shown the significant difference of the critical micelle concentrations for SO and DBSA solutions. The observed structural difference of the aggregates in the ferrofluids was related to the behaviour of surfactant molecules in aqueous solutions including the structure and interaction parameters of micelles (micelle aggregation number, fractional charge, charge per micelle and surface potential, etc.) derived from the SANS analysis.

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KW - Dodecylbenzene sulfonic acid

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KW - Nanoparticle aggregation

KW - Small-angle neutron scattering

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