Preparation of hexagonally aligned inorganic nanoparticles from diblock copolymer micellar systems

Edit Pál, A. Oszkó, Petra Mela, Martin Möller, I. Dékány

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The aim of this work was to prepare hexagonally aligned zinc oxide nanoparticles using poly(styrene)-block-poly(2-vinyl-pyridine) block copolymer spherical micellar system. Various zinc salt were used with different zinc ion/pyridine unit ratio (loading factor, L) to obtain patterned surface. The loaded micelles were deposited on surface of silicon wafer by immersion method. Oxygen plasma treatment was used to generate nanoparticles in periodic patterns on the surface of Si-substrate. The morphology of the loaded micelles and the particles were studied by transmission electron microscopy (TEM) and atomic force microscopy (AFM). The chemical composition and the crystalline structure of samples were investigated by X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) measurements, respectively. On basis of the results of the XPS and XRD measurements we assumed that during the plasma treatment the zinc precursor salt reacted with the oxide layer on the surface of the silicon wafer and formed zinc silicate (Zn2SiO4) instead of ZnO nanoparticles.

Original languageEnglish
Pages (from-to)213-219
Number of pages7
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume331
Issue number3
DOIs
Publication statusPublished - Dec 31 2008

Fingerprint

Block copolymers
copolymers
Zinc
zinc
Nanoparticles
nanoparticles
preparation
Micelles
Silicon wafers
Pyridine
pyridines
micelles
x rays
X ray photoelectron spectroscopy
Salts
photoelectron spectroscopy
wafers
salts
Zinc Oxide
Plasmas

Keywords

  • Diblock copolymers
  • Nanoparticles
  • Surface patterning
  • Zinc oxide
  • Zinc silicate

ASJC Scopus subject areas

  • Colloid and Surface Chemistry

Cite this

Preparation of hexagonally aligned inorganic nanoparticles from diblock copolymer micellar systems. / Pál, Edit; Oszkó, A.; Mela, Petra; Möller, Martin; Dékány, I.

In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 331, No. 3, 31.12.2008, p. 213-219.

Research output: Contribution to journalArticle

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