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Article
Confinement-Induced Ordering of Alkanes Between An Elastomer and a Solid Surface
Physical Review Letters
  • Kumar Nanjundiah, University of Akron Main Campus
  • Ali Dhinojwala, University of Akron Main Campus
Document Type
Article
Publication Date
10-7-2005
Disciplines
Abstract
We have studied the molecular structure of liquid alkanes confined between a flexible elastomeric poly(dimethyl siloxane) lens and a rigid sapphire substrate using surface-sensitive infrared-visible sum frequency generation spectroscopy. The reduction in the gauche defects suggests ordering of liquid alkanes under confinement. The cooling of confined liquid below the freezing temperature leads to crystallization with alkane molecules lying on the substrate with the symmetry axis parallel to the surface normal. This structure is very different from the bulk alkane crystals next to sapphire or air interfaces.
Citation Information
Kumar Nanjundiah and Ali Dhinojwala. "Confinement-Induced Ordering of Alkanes Between An Elastomer and a Solid Surface" Physical Review Letters Vol. 95 Iss. 15 (2005)
Available at: http://works.bepress.com/ali_dhinojwala/1/