The existence of structure progressions and wetting transitions in intermediately disordered monolayer alkyl chain assemblies

David L. Allara, Atul N. Parikh, Elizabeth Judge

Research output: Contribution to journalArticle

62 Scopus citations

Abstract

Partial monolayers of uniform length alkyl chains [CH3(CH 2) n-; n=10-21] bonded at constant coverage onto a disordered lattice of silanol groups on amorphous SiO2, exhibit a distinct change in surface wetting behavior for 14≤n≤17 which correlates closely with a significant shift in the average conformational ordering of the chains. These data provide definitive evidence for the existence of a family of surface-constrained, intermediately ordered phases of discrete length, flexible chains and imply that broad classes of these families exist.

Original languageEnglish (US)
Pages (from-to)1761-1764
Number of pages4
JournalThe Journal of Chemical Physics
Volume100
Issue number2
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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