Wetting studies of molecularly engineered surfaces

Research output: Contribution to journalArticle

Abstract

The wettability studies of mixed monolayers containing hydrophobic (CH3) and hydrophilic (OH) terminal groups are discussed. We describe and explain a concentration-driven transition in the contact angles of liquids on mixed monolayers. It is suggested that this phenomenon is due to a possible surface phase transition, resulting in the formation of a prewetting water layer. The self-assembly method opens exciting new possibilities of engineering smooth surfaces. Chemical properties fine-tuned at the molecular level will lead to new levels of control of physicochemical properties of surfaces. Long-chain thiol derivatives can be used in model surfaces to attain control of surface roughness and chemical properties. Combinations of surface functionalities give a large variety of surfaces, thus allowing a systematic control of surface free energy, and chemical affinity.

Original languageEnglish (US)
Pages (from-to)48-53
Number of pages6
JournalThin Solid Films
Volume273
Issue number1-2
StatePublished - Feb 1996

Fingerprint

wetting
Wetting
chemical properties
Chemical properties
Monolayers
wettability
Sulfhydryl Compounds
thiols
Self assembly
Free energy
Contact angle
affinity
self assembly
surface roughness
Surface roughness
Phase transitions
free energy
engineering
Derivatives
Water

Keywords

  • Monolayers
  • Surface and interface states
  • Wetting

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Wetting studies of molecularly engineered surfaces. / Ulman, Abraham.

In: Thin Solid Films, Vol. 273, No. 1-2, 02.1996, p. 48-53.

Research output: Contribution to journalArticle

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