Self-assembly and wetting properties of gold nanorod-CTAB molecules on HOPG

Imtiaz Ahmad, Floor Derkink, Tim Boulogne, Pantelis Bampoulis, Harold J.W. Zandvliet, Hidayat Ullah Khan, Rahim Jan, E. Stefan Kooij

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Abstract

The formation of self-assembled superstructures of cetyltrimethylammonium bromide (CTAB) after drying on a nonwetting highly ordered pyrolytic graphite (HOPG) surface have been investigated using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Although SEM did not reveal coverage of CTAB layers, AFM showed not only CTAB assembly, but also the dynamics of the process on the surface. The self-assembled layers of CTAB molecules on the HOPG terraces prior to nanorod deposition were shown to change the wettability of the surface, and as a result, gold nanorod deposition takes place on nonwetting HOPG terraces.

Original languageEnglish
Pages (from-to)696-705
Number of pages10
JournalBeilstein journal of nanotechnology
Volume10
DOIs
Publication statusPublished - 13 Mar 2019

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Graphite
pyrolytic graphite
Nanorods
Gold
Self assembly
nanorods
wetting
Wetting
self assembly
bromides
gold
Molecules
Atomic force microscopy
molecules
Scanning electron microscopy
atomic force microscopy
scanning electron microscopy
Drying
wettability
drying

Keywords

  • CTAB
  • Gold nanorods
  • Micelles
  • Self-assembly
  • Wettability

Cite this

Ahmad, Imtiaz ; Derkink, Floor ; Boulogne, Tim ; Bampoulis, Pantelis ; Zandvliet, Harold J.W. ; Khan, Hidayat Ullah ; Jan, Rahim ; Kooij, E. Stefan. / Self-assembly and wetting properties of gold nanorod-CTAB molecules on HOPG. In: Beilstein journal of nanotechnology. 2019 ; Vol. 10. pp. 696-705.
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abstract = "The formation of self-assembled superstructures of cetyltrimethylammonium bromide (CTAB) after drying on a nonwetting highly ordered pyrolytic graphite (HOPG) surface have been investigated using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Although SEM did not reveal coverage of CTAB layers, AFM showed not only CTAB assembly, but also the dynamics of the process on the surface. The self-assembled layers of CTAB molecules on the HOPG terraces prior to nanorod deposition were shown to change the wettability of the surface, and as a result, gold nanorod deposition takes place on nonwetting HOPG terraces.",
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Self-assembly and wetting properties of gold nanorod-CTAB molecules on HOPG. / Ahmad, Imtiaz; Derkink, Floor; Boulogne, Tim; Bampoulis, Pantelis; Zandvliet, Harold J.W.; Khan, Hidayat Ullah; Jan, Rahim; Kooij, E. Stefan.

In: Beilstein journal of nanotechnology, Vol. 10, 13.03.2019, p. 696-705.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Self-assembly and wetting properties of gold nanorod-CTAB molecules on HOPG

AU - Ahmad, Imtiaz

AU - Derkink, Floor

AU - Boulogne, Tim

AU - Bampoulis, Pantelis

AU - Zandvliet, Harold J.W.

AU - Khan, Hidayat Ullah

AU - Jan, Rahim

AU - Kooij, E. Stefan

PY - 2019/3/13

Y1 - 2019/3/13

N2 - The formation of self-assembled superstructures of cetyltrimethylammonium bromide (CTAB) after drying on a nonwetting highly ordered pyrolytic graphite (HOPG) surface have been investigated using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Although SEM did not reveal coverage of CTAB layers, AFM showed not only CTAB assembly, but also the dynamics of the process on the surface. The self-assembled layers of CTAB molecules on the HOPG terraces prior to nanorod deposition were shown to change the wettability of the surface, and as a result, gold nanorod deposition takes place on nonwetting HOPG terraces.

AB - The formation of self-assembled superstructures of cetyltrimethylammonium bromide (CTAB) after drying on a nonwetting highly ordered pyrolytic graphite (HOPG) surface have been investigated using scanning electron microscopy (SEM) and atomic force microscopy (AFM). Although SEM did not reveal coverage of CTAB layers, AFM showed not only CTAB assembly, but also the dynamics of the process on the surface. The self-assembled layers of CTAB molecules on the HOPG terraces prior to nanorod deposition were shown to change the wettability of the surface, and as a result, gold nanorod deposition takes place on nonwetting HOPG terraces.

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KW - Gold nanorods

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KW - Wettability

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