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http://hdl.handle.net/1942/16043
Title: | Thermal decomposition synthesis of Al-doped ZnO nanoparticles: an in-depth study | Authors: | DAMM, Hanne KELCHTERMANS, Anke Bertha, Anne Van den Broeck, Freya ELEN, Ken Martins, Jose C. CARLEER, Robert D'HAEN, Jan DE DOBBELAERE, Christopher Hadermann, Joke HARDY, An VAN BAEL, Marlies |
Issue Date: | 2013 | Source: | RSC ADVANCES, 3 (45), p. 23745-23754 | Abstract: | Al-doped ZnO nanoparticles are synthesized by means of a heating up solution based thermal decomposition method. The synthesis involves a reaction of zinc acetylacetonate hydrate, aluminium acetylacetonate and 1,2-hexadecanediol in the presence of oleic acid and oleyl amine. A proposed reaction mechanism from reagents to monomers is corroborated by analysis of the evolving gases using headspace GC-MS analysis. The Al-doped ZnO nanoparticles synthesized are dynamically stabilized by adsorbed oleate ions, after deprotonation of oleic acid by oleyl amine, as was found by NOESY proton NMR and complementary FTIR spectroscopy. Precession electron diffraction shows a simultaneous increase in lattice parameters with Al concentration. This, together with HAADF-STEM and EDX maps, indicates the incorporation of Al into the ZnO nanoparticles. By the combination of complementary characterization methods during all stages of the synthesis, it is concluded that Al is incorporated into the ZnO wurtzite lattice as a dopant. | Notes: | Van Bael, MK (reprint author),Hasselt Univ, Inst Mat Res, Agoralaan Bldg D, B-3590 Diepenbeek, Belgium. marlies.vanbael@uhasselt.be | Document URI: | http://hdl.handle.net/1942/16043 | DOI: | 10.1039/c3ra43328e | ISI #: | 000326395800139 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2014 |
Appears in Collections: | Research publications |
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