On the self assembly of short chain alkanedithiols

Hicham Hamoudi, Zhiang Guo, Mirko Prato, Céline Dablemont, Wan Quan Zheng, Bernard Bourguignon, Maurizio Canepa, Vladimir A. Esaulov

Research output: Contribution to journalArticle

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Abstract

A study of the self-assembly of nonane-alkanedithiol monolayers on gold in n-hexane and ethanol solvents is presented. Self-assembled monolayers (SAMs) are characterised by reflection-absorption infrared spectroscopy (RAIRS), sum frequency generation (SFG) and spectroscopic ellipsometry (SE) measurements. Data obtained for alkanethiols SAMs are also shown for comparison. The measurements show that nicely organized HSC9SH SAMs can be obtained in n-hexane provided that N2-degassed solutions are used and all preparation steps are performed in the absence of ambient light. SFG measurements show that these SAMs have free standing SH groups. Use of an un-degassed and/or light-exposed n-hexane solutions leads to a worse layer organization. Preparation in ethanol, even in degassed solutions with processing in the dark, leads to poorly organized layers and no sign of free -SH groups was observed.

Original languageEnglish
Pages (from-to)6836-6841
Number of pages6
JournalPhysical Chemistry Chemical Physics
Volume10
Issue number45
DOIs
Publication statusPublished - 2008
Externally publishedYes

Fingerprint

Self assembled monolayers
Self assembly
self assembly
ethyl alcohol
Ethanol
Light
nonanes
preparation
Gold
ellipsometry
Spectroscopic ellipsometry
Spectrum Analysis
absorption spectroscopy
infrared spectroscopy
Absorption spectroscopy
gold
Infrared spectroscopy
Monolayers
n-hexane
Processing

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Physics and Astronomy(all)

Cite this

Hamoudi, H., Guo, Z., Prato, M., Dablemont, C., Zheng, W. Q., Bourguignon, B., ... Esaulov, V. A. (2008). On the self assembly of short chain alkanedithiols. Physical Chemistry Chemical Physics, 10(45), 6836-6841. https://doi.org/10.1039/b809760g

On the self assembly of short chain alkanedithiols. / Hamoudi, Hicham; Guo, Zhiang; Prato, Mirko; Dablemont, Céline; Zheng, Wan Quan; Bourguignon, Bernard; Canepa, Maurizio; Esaulov, Vladimir A.

In: Physical Chemistry Chemical Physics, Vol. 10, No. 45, 2008, p. 6836-6841.

Research output: Contribution to journalArticle

Hamoudi, H, Guo, Z, Prato, M, Dablemont, C, Zheng, WQ, Bourguignon, B, Canepa, M & Esaulov, VA 2008, 'On the self assembly of short chain alkanedithiols', Physical Chemistry Chemical Physics, vol. 10, no. 45, pp. 6836-6841. https://doi.org/10.1039/b809760g
Hamoudi H, Guo Z, Prato M, Dablemont C, Zheng WQ, Bourguignon B et al. On the self assembly of short chain alkanedithiols. Physical Chemistry Chemical Physics. 2008;10(45):6836-6841. https://doi.org/10.1039/b809760g
Hamoudi, Hicham ; Guo, Zhiang ; Prato, Mirko ; Dablemont, Céline ; Zheng, Wan Quan ; Bourguignon, Bernard ; Canepa, Maurizio ; Esaulov, Vladimir A. / On the self assembly of short chain alkanedithiols. In: Physical Chemistry Chemical Physics. 2008 ; Vol. 10, No. 45. pp. 6836-6841.
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