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Microwave-Assisted Hydrothermal Synthesis of Zinc-Aluminum Spinel ZnAl2O4

Research Group of Graphene and Composites, Lukasiewicz Research Network–Institute of Microelectronics and Photonics IMiF, Al. Lotnikow 32/46, 02-668 Warsaw, Poland
Institute of High Pressure Physics PAS “Unipress”, Sokolowska 29/37, 01-142 Warsaw, Poland
Faculty of Civil Engineering and Geology, Military University of Technology, ul. Gen. Sylwestra Kaliskiego 2, 00-908 Warsaw, Poland
Author to whom correspondence should be addressed.
Academic Editor: Aivaras Kareiva
Materials 2022, 15(1), 245;
Received: 3 December 2021 / Revised: 28 December 2021 / Accepted: 28 December 2021 / Published: 29 December 2021
(This article belongs to the Special Issue Nanoparticles and Nanotechnology: From the Synthesis to Application)
The drawback of the hydrothermal technique is driven by the fact that it is a time-consuming operation, which greatly impedes its commercial application. To overcome this issue, conventional hydrothermal synthesis can be improved by the implementation of microwaves, which should result in enhanced process kinetics and, at the same time, pure-phase and homogeneous products. In this study, nanometric zinc aluminate (ZnAl2O4) with a spinel structure was obtained by a hydrothermal method using microwave reactor. The average ZnAl2O4 crystallite grain size was calculated from the broadening of XRD lines. In addition, BET analysis was performed to further characterize the as-synthesized particles. The synthesized materials were also subjected to microscopic SEM and TEM observations. Based on the obtained results, we concluded that the grain sizes were in the range of 6–8 nm. The surface areas measured for the samples from the microwave reactor were 215 and 278 m2 g−1. View Full-Text
Keywords: zinc-aluminum spinel ZnAl2O4; hydrothermal synthesis; microwave reactor zinc-aluminum spinel ZnAl2O4; hydrothermal synthesis; microwave reactor
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MDPI and ACS Style

Strachowski, T.; Grzanka, E.; Mizeracki, J.; Chlanda, A.; Baran, M.; Małek, M.; Niedziałek, M. Microwave-Assisted Hydrothermal Synthesis of Zinc-Aluminum Spinel ZnAl2O4. Materials 2022, 15, 245.

AMA Style

Strachowski T, Grzanka E, Mizeracki J, Chlanda A, Baran M, Małek M, Niedziałek M. Microwave-Assisted Hydrothermal Synthesis of Zinc-Aluminum Spinel ZnAl2O4. Materials. 2022; 15(1):245.

Chicago/Turabian Style

Strachowski, Tomasz, Ewa Grzanka, Jan Mizeracki, Adrian Chlanda, Magdalena Baran, Marcin Małek, and Marlena Niedziałek. 2022. "Microwave-Assisted Hydrothermal Synthesis of Zinc-Aluminum Spinel ZnAl2O4" Materials 15, no. 1: 245.

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