Dynamic Light Scattering in a Sponge Phase of a Nonionic Surfactant

Yasuyuki Kimura, Junichi Oizumi, Reinosuke Hayakawa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The fluctuation of bilayers in the sponge (L3) phase of the binary mixture of a nonionic surfactant, pentaethylene glycol dodecyl ether (C12E5), and water is studied by the dynamic light scattering spectroscopy. In concentrated solution, the autocorrelation function of the scattered light intensity shows almost a single exponential decay and the inverse of correlation time Γ is proportional to the square of scattering wavevector q. In dilute solution, the autocorrelation function shows a stretched exponential decay and the dispersion of Γ shows a crossover behavior from Γ∝q2 to Γ∝q3 as q increases. It is found that the dispersions of Γ at various concentrations and temperatures can be scaled into the universal curve. The results for dilute solution are compared with a recent theory concerning to the thermal fluctuation of membranes.

Original languageEnglish
Pages (from-to)559-567
Number of pages9
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume332
DOIs
Publication statusPublished - Jan 1 1999

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Nonionic surfactants
Dynamic light scattering
light scattering
surfactants
Autocorrelation
autocorrelation
Glycols
decay
Binary mixtures
Dispersions
Ether
luminous intensity
binary mixtures
glycols
Ethers
ethers
crossovers
Spectroscopy
Scattering
membranes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Dynamic Light Scattering in a Sponge Phase of a Nonionic Surfactant. / Kimura, Yasuyuki; Oizumi, Junichi; Hayakawa, Reinosuke.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 332, 01.01.1999, p. 559-567.

Research output: Contribution to journalArticle

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