Self-organization of gold nanoparticles on silanated surfaces

Htet H. Kyaw, Salim H. Al-Harthi, Azzouz Sellai, Joydeep Dutta

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The self-organization of monolayer gold nanoparticles (AuNPs) on 3-aminopropyltriethoxysilane (APTES)-functionalized glasssubstrate is reported. The orientation of APTES molecules on glass substrates plays an important role in the interaction betweenAuNPs and APTES molecules on the glass substrates. Different orientations of APTES affect the self-organization of AuNps onAPTES-functionalized glass substrates. The as grown monolayers and films annealed in ultrahigh vacuum and air (600 °C) werestudied by water contact angle measurements, atomic force microscopy, X-ray photoelectron spectroscopy, UV-visible spectroscopyand ultraviolet photoelectron spectroscopy. Results of this study are fundamentally important and also can be applied fordesigning and modelling of surface plasmon resonance based sensor applications.

Original languageEnglish
Pages (from-to)2345-2353
Number of pages9
JournalBeilstein Journal of Nanotechnology
Volume6
Issue number1
DOIs
Publication statusPublished - 2015

Fingerprint

Gold
gold
Nanoparticles
Glass
nanoparticles
glass
Monolayers
Substrates
photoelectron spectroscopy
Ultraviolet photoelectron spectroscopy
Molecules
ultraviolet spectroscopy
Surface plasmon resonance
Ultrahigh vacuum
Angle measurement
surface plasmon resonance
ultrahigh vacuum
Contact angle
molecules
Atomic force microscopy

Keywords

  • 3-aminopropyletriethoxysilane
  • Electrostatic interaction
  • Functionalization
  • Gold nanoparticles
  • Self-assembled monolayer
  • Self-organization

ASJC Scopus subject areas

  • Materials Science(all)
  • Electrical and Electronic Engineering
  • Physics and Astronomy(all)

Cite this

Self-organization of gold nanoparticles on silanated surfaces. / Kyaw, Htet H.; Al-Harthi, Salim H.; Sellai, Azzouz; Dutta, Joydeep.

In: Beilstein Journal of Nanotechnology, Vol. 6, No. 1, 2015, p. 2345-2353.

Research output: Contribution to journalArticle

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