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Murakami D, Jinnai H, Takahara A. Wetting transition from the Cassie-Baxter state to the Wenzel state on textured polymer surfaces. Langmuir. 2014;30(8):2061-7doi: 10.1021/la4049067.
Murakami, D., Jinnai, H., & Takahara, A. (2014). Wetting transition from the Cassie-Baxter state to the Wenzel state on textured polymer surfaces. Langmuir : the ACS journal of surfaces and colloids, 30(8), 2061-7. https://doi.org/10.1021/la4049067
Murakami, Daiki, et al. "Wetting transition from the Cassie-Baxter state to the Wenzel state on textured polymer surfaces." Langmuir : the ACS journal of surfaces and colloids vol. 30,8 (2014): 2061-7. doi: https://doi.org/10.1021/la4049067
Murakami D, Jinnai H, Takahara A. Wetting transition from the Cassie-Baxter state to the Wenzel state on textured polymer surfaces. Langmuir. 2014 Mar 04;30(8):2061-7. doi: 10.1021/la4049067. Epub 2014 Feb 18. PMID: 24494786.
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Langmuir. 2014 Mar 04;30(8):2061-7. doi: 10.1021/la4049067. Epub 2014 Feb 18.

Wetting transition from the Cassie-Baxter state to the Wenzel state on textured polymer surfaces.

Langmuir : the ACS journal of surfaces and colloids

Daiki Murakami, Hiroshi Jinnai, Atsushi Takahara

Affiliations

  1. Japan Science and Technology Agency (JST), ERATO, Takahara Soft Interfaces Project, CE80, Kyushu University , 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.

PMID: 24494786 DOI: 10.1021/la4049067

Abstract

The wetting transition from the Cassie-Baxter state to the Wenzel state on textured surfaces was investigated. Nano- to microscale hexagonal pillared lattices were prepared by nanoimprint lithography on fluorinated cycloolefin polymer substrates. The transition was clearly observed for water and some ionic liquids through contact angle measurements and optical microscopy. A simple model clearly demonstrated that the energy barrier in the wetting transition from the Cassie-Baxter state to the Wenzel state was dominated by the competition between the energy barrier and external forces, particularly the Laplace pressure in the present case.

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