Evolution of conformational order during self-assembly of n -alkanethiols on hg droplets

An infrared spectromicroscopy study

Christopher B. Babayco, Pauline J. Chang, Donald P. Land, Richard Kiehl, Atul N. Parikh

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This Letter describes Fourier-transform infrared spectroscopy evidence for the evolution of conformational order and coverage during the formation of n-alkanethiol monolayers on microdroplets of mercury from the solution phase. At the highest coverages obtained by self-assembly, the monolayer is characterized by predominantly all-trans conformational order. For partial monolayers obtained at arbitrarily quenched incubation periods, we find a continuous evolution of the chain conformational order with monolayer coverage. Analyzing these results in light of previously reported models from X-ray scattering reveals a complex self-assembly process in which the density-dependent evolution of the chain conformational order is coupled with that of molecular orientation and density.

Original languageEnglish (US)
Pages (from-to)8203-8207
Number of pages5
JournalLangmuir
Volume29
Issue number26
DOIs
StatePublished - Jul 2 2013
Externally publishedYes

Fingerprint

Self assembly
self assembly
Monolayers
Infrared radiation
Molecular orientation
X ray scattering
Mercury
infrared spectroscopy
Fourier transform infrared spectroscopy
scattering
x rays

ASJC Scopus subject areas

  • Electrochemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Materials Science(all)
  • Spectroscopy

Cite this

Evolution of conformational order during self-assembly of n -alkanethiols on hg droplets : An infrared spectromicroscopy study. / Babayco, Christopher B.; Chang, Pauline J.; Land, Donald P.; Kiehl, Richard; Parikh, Atul N.

In: Langmuir, Vol. 29, No. 26, 02.07.2013, p. 8203-8207.

Research output: Contribution to journalArticle

Babayco, Christopher B. ; Chang, Pauline J. ; Land, Donald P. ; Kiehl, Richard ; Parikh, Atul N. / Evolution of conformational order during self-assembly of n -alkanethiols on hg droplets : An infrared spectromicroscopy study. In: Langmuir. 2013 ; Vol. 29, No. 26. pp. 8203-8207.
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