Highly ordered palladium nanodots and nanowires from switchable block copolymer thin films

verfasst von: E. Bhoje Gowd, Bhanu Nandan, Mukesh Kumar Vyas, Nadja C. Bigall, Alexander Eychmüller, Heike Schlörb, Manfred Stamm
Abstract: We demonstrate a new approach to fabricate highly ordered arrays of nanoscopic palladium dots and wires using switchable block copolymer thin films. The surface-reconstructed block copolymer templates were directly deposited with palladium nanoparticles from a simple aqueous solution. The preferential interaction of the nanoparticles with one of the blocks is mainly responsible for the lateral arrangement of the nanoparticles inside the pores of the templates in addition to the capillary forces. A subsequent stabilization by UV-irradiation followed by pyrolysis in air at 450 °C removes the polymer to produce highly ordered metallic nanostructures. We extended this approach to micellar films to obtain metallic nanostructures. This method is highly versatile as the procedure used here is simple, eco-friendly and provides a simple approach to fabricate a broad range of nanoscaled architectures with tunable lateral spacing, and can be extended to systems with even smaller dimensions.
Externe Organisation(en): Leibniz-Institut für Polymerforschung Dresden e.V.
Technische Universität Dresden
Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden (IFW) e.V.
Typ: Artikel
Journal: NANOTECHNOLOGY
Band: 20
ISSN: 0957-4484
Publikationsdatum: 18.09.2009
Publikationsstatus: Veröffentlicht
Peer-reviewed: Ja
ASJC Scopus Sachgebiete: Bioengineering, Allgemeine Chemie, Allgemeine Materialwissenschaften, Werkstoffmechanik, Maschinenbau, Elektrotechnik und Elektronik
Elektronische Version(en): https://doi.org/10.1088/0957-4484/20/41/415302 (Zugang: Unbekannt)

BibTeX

@article{a41b03a644814504a4394e8cc7557981,
title = "Highly ordered palladium nanodots and nanowires from switchable block copolymer thin films",
abstract = "We demonstrate a new approach to fabricate highly ordered arrays of nanoscopic palladium dots and wires using switchable block copolymer thin films. The surface-reconstructed block copolymer templates were directly deposited with palladium nanoparticles from a simple aqueous solution. The preferential interaction of the nanoparticles with one of the blocks is mainly responsible for the lateral arrangement of the nanoparticles inside the pores of the templates in addition to the capillary forces. A subsequent stabilization by UV-irradiation followed by pyrolysis in air at 450 °C removes the polymer to produce highly ordered metallic nanostructures. We extended this approach to micellar films to obtain metallic nanostructures. This method is highly versatile as the procedure used here is simple, eco-friendly and provides a simple approach to fabricate a broad range of nanoscaled architectures with tunable lateral spacing, and can be extended to systems with even smaller dimensions.",
author = "{Bhoje Gowd}, E. and Bhanu Nandan and Vyas, {Mukesh Kumar} and Bigall, {Nadja C.} and Alexander Eychm{\"u}ller and Heike Schl{\"o}rb and Manfred Stamm",
year = "2009",
month = sep,
day = "18",
doi = "10.1088/0957-4484/20/41/415302",
language = "English",
volume = "20",
journal = "NANOTECHNOLOGY",
issn = "0957-4484",
publisher = "IOP Publishing Ltd.",
number = "41",
}