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Preparation of geometrically highly controlled Ga particle arrays on quasi-planar nanostructured surfaces as a SCALMS model system

Titelangaben

Hofer, André ; Taccardi, Nicola ; Moritz, Michael ; Wichmann, Christoph ; Hübner, Sabine ; Drobek, Dominik ; Engelhardt, Matthias ; Papastavrou, Georg ; Spiecker, Erdmann ; Papp, Christian ; Wasserscheid, Peter ; Bachmann, Julien:
Preparation of geometrically highly controlled Ga particle arrays on quasi-planar nanostructured surfaces as a SCALMS model system.
In: RSC Advances. Bd. 13 (2023) Heft 6 . - S. 4011-4018.
ISSN 2046-2069
DOI: https://doi.org/10.1039/d2ra07585g

Volltext

Link zum Volltext (externe URL): Volltext

Abstract

This study establishes a preparative route towards a model system for supported catalytically active liquid metal solutions (SCALMS) on nanostructured substrates. This model is characterized by a uniquely precise geometrical control of the gallium particle size distribution. In a SCALMS system, the Ga serves as a matrix material which can be decorated with a catalytically active material subsequently. The corresponding Ga containing precursor is spin-coated on aluminum based substrates, previously nanostructured by electrochemical anodization. The highly ordered substrates are functionalized with distinct oxide coatings by atomic layer deposition (ALD) independently from the morphology. After preparation of the metal particles on the oxide interface, the characterization of our model system in terms of its geometry parameters (droplet diameter, size distribution and population density) points to SiO2 as the best suited surface for a highly controlled geometry. This flexible model system can be functionalized with a dissolved noble metal catalyst for the application chosen.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Physikalische Chemie II > Lehrstuhl Physikalische Chemie II - Univ.-Prof. Dr. Georg Papastavrou
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Physikalische Chemie II
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
Eingestellt am: 23 Feb 2023 07:10
Letzte Änderung: 11 Okt 2023 12:41
URI: https://eref.uni-bayreuth.de/id/eprint/73901