Surface tension obtained from various smectic free-standing films: The molecular origin of surface tension

P. Mach, C. C. Huang, T. Stoebe, E. D. Wedell, T. Nguyen, W. H. De Jeu, F. Guittard, J. Naciri, R. Shashidhar, N. Clark, I. M. Jiang, F. J. Kao, H. Liu, H. Nohira

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

High-resolution surface tension measurements have been carried out on the free-standing films of more than 30 selected liquid-crystal compounds in their smectic phases. Surface tension (γ) values falling into major categories of 27, 24, 21, 13, and 11.5 dyn/cm have been obtained. The dependence of γ on specific terminal groups or molecular structures will be discussed. Our results provide important information about the molecular origin of surface tension.

Original languageEnglish (US)
Pages (from-to)4330-4341
Number of pages12
JournalLangmuir
Volume14
Issue number15
DOIs
StatePublished - Jul 21 1998

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