First-order wetting transition and line tension of hexadecane lens at air/water interface assisted by surfactant adsorption

Hiroki Matsubara; Yosuke Ikebe; Yasutaka Ushijima; Youichi Takata; Takanori Takiue; Makoto Aratono

doi:10.1246/bcsj.20100158

First-order wetting transition and line tension of hexadecane lens at air/water interface assisted by surfactant adsorption

Hiroki Matsubara, Yosuke Ikebe, Yasutaka Ushijima, Youichi Takata, Takanori Takiue, Makoto Aratono

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

A first-order transition from partial wetting to pseudo-partial wetting of hexadecane droplets on aqueous solutions of surfactant, hexadecyltrimethylammonium bromide, has been investigated by using interfacial tensiometry and ellipsometry. A regular solution model was applied to calculate the surface free energy of the wetting film as a function of thickness and then the connection between calculated surface free energy profiles and line tension measured at the wetting transition was discussed based on the interface displacement model. The reversal of the sign of the line tension associated with the wetting transition was confirmed from both the experiment and the interface displacement model.

Original language	English
Pages (from-to)	1198-1202
Number of pages	5
Journal	Bulletin of the Chemical Society of Japan
Volume	83
Issue number	10
DOIs	https://doi.org/10.1246/bcsj.20100158
Publication status	Published - Oct 29 2010

All Science Journal Classification (ASJC) codes

Chemistry(all)

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Matsubara, H., Ikebe, Y., Ushijima, Y., Takata, Y., Takiue, T., & Aratono, M. (2010). First-order wetting transition and line tension of hexadecane lens at air/water interface assisted by surfactant adsorption. Bulletin of the Chemical Society of Japan, 83(10), 1198-1202. https://doi.org/10.1246/bcsj.20100158

First-order wetting transition and line tension of hexadecane lens at air/water interface assisted by surfactant adsorption. / Matsubara, Hiroki; Ikebe, Yosuke; Ushijima, Yasutaka; Takata, Youichi; Takiue, Takanori ; Aratono, Makoto.

In: Bulletin of the Chemical Society of Japan, Vol. 83, No. 10, 29.10.2010, p. 1198-1202.

Research output: Contribution to journal › Article

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