Disorder, solvent effects and substitutional self-assembly of alkane dithiols from alkane thiol SAMs

Hicham Hamoudi; Céline Dablemont; Vladimir A. Esaulov

doi:10.1016/j.susc.2010.10.008

Disorder, solvent effects and substitutional self-assembly of alkane dithiols from alkane thiol SAMs

Hicham Hamoudi, Céline Dablemont^*, Vladimir A. Esaulov

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

Substitutional self-assembly of nonanedithiol from a hexanethiol self-assembled monolayer and the effects of use of ethanol and n-hexane as solvents were investigated. It was found that presence of original solvents in the HT SAM allowed easy replacement, while dried SAMs were more resilient to substitution and much longer times are necessary for substitution to occur. In general substitution in ethanol leads to production of a disordered dithiol SAM, with existence of extra molecules bonded to the SAM. Well ordered substituted SAMs were obtained with degassed n-hexane solutions and in absence of ambient light.

Original language	English
Pages (from-to)	116-120
Number of pages	5
Journal	Surface Science
Volume	605
Issue number	1-2
DOIs	https://doi.org/10.1016/j.susc.2010.10.008
Publication status	Published - Jan 2011
Externally published	Yes

Keywords

Alkane dithiol
Au(111)
Cyclic voltammetry
Nonanedithiol
RAIRS
Self-assembled monolayer
Substitution

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10.1016/j.susc.2010.10.008

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title = "Disorder, solvent effects and substitutional self-assembly of alkane dithiols from alkane thiol SAMs",

abstract = "Substitutional self-assembly of nonanedithiol from a hexanethiol self-assembled monolayer and the effects of use of ethanol and n-hexane as solvents were investigated. It was found that presence of original solvents in the HT SAM allowed easy replacement, while dried SAMs were more resilient to substitution and much longer times are necessary for substitution to occur. In general substitution in ethanol leads to production of a disordered dithiol SAM, with existence of extra molecules bonded to the SAM. Well ordered substituted SAMs were obtained with degassed n-hexane solutions and in absence of ambient light.",

keywords = "Alkane dithiol, Au(111), Cyclic voltammetry, Nonanedithiol, RAIRS, Self-assembled monolayer, Substitution",

author = "Hicham Hamoudi and C{\'e}line Dablemont and Esaulov, {Vladimir A.}",

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T1 - Disorder, solvent effects and substitutional self-assembly of alkane dithiols from alkane thiol SAMs

AU - Hamoudi, Hicham

AU - Dablemont, Céline

AU - Esaulov, Vladimir A.

PY - 2011/1

Y1 - 2011/1

N2 - Substitutional self-assembly of nonanedithiol from a hexanethiol self-assembled monolayer and the effects of use of ethanol and n-hexane as solvents were investigated. It was found that presence of original solvents in the HT SAM allowed easy replacement, while dried SAMs were more resilient to substitution and much longer times are necessary for substitution to occur. In general substitution in ethanol leads to production of a disordered dithiol SAM, with existence of extra molecules bonded to the SAM. Well ordered substituted SAMs were obtained with degassed n-hexane solutions and in absence of ambient light.

AB - Substitutional self-assembly of nonanedithiol from a hexanethiol self-assembled monolayer and the effects of use of ethanol and n-hexane as solvents were investigated. It was found that presence of original solvents in the HT SAM allowed easy replacement, while dried SAMs were more resilient to substitution and much longer times are necessary for substitution to occur. In general substitution in ethanol leads to production of a disordered dithiol SAM, with existence of extra molecules bonded to the SAM. Well ordered substituted SAMs were obtained with degassed n-hexane solutions and in absence of ambient light.

KW - Alkane dithiol

KW - Au(111)

KW - Cyclic voltammetry

KW - Nonanedithiol

KW - RAIRS

KW - Self-assembled monolayer

KW - Substitution

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DO - 10.1016/j.susc.2010.10.008

M3 - Article

AN - SCOPUS:78649662129

SN - 0039-6028

VL - 605

SP - 116

EP - 120

JO - Surface Science

JF - Surface Science

IS - 1-2

ER -

Disorder, solvent effects and substitutional self-assembly of alkane dithiols from alkane thiol SAMs

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Keywords

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