Mixed oxides NiO/ZnO/Al2O3 synthesized in a single step via ultrasonic spray pyrolysis (USP) method

Duygu Yeşiltepe Özcelik; Burçak Ebin; Srecko Stopic; Sebahattin Gürmen; Bernd Friedrich

doi:10.3390/met12010073

Mixed oxides NiO/ZnO/Al₂O₃ synthesized in a single step via ultrasonic spray pyrolysis (USP) method

Duygu Yeşiltepe Özcelik, Burçak Ebin, Srecko Stopic^*, Sebahattin Gürmen, Bernd Friedrich

^*Corresponding author for this work

Department of Metallurgical and Materials Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Mixed oxides have received remarkable attention due to the many opportunities to adjust their interesting structural, electrical, catalytic properties, leading to a better, more useful performance compared to the basic metal oxides. In this study, mixed oxides NiO/ZnO/Al₂O₃ were synthesized in a single step via the ultrasonic spray pyrolysis method using nitrate salts, and the temperature effects of the process were investigated (400, 600, 800 °C). The synthesized samples were characterized by means of scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction and Raman spectroscopy analyses. The results showed Al₂O₃, NiO–Al₂O₃ and ZnO–Al₂O₃ systems with spinel phases. Furthermore, the Raman peaks supported the coexistence of oxide phases, which strongly impact the overall properties of nanocomposite.

Original language	English
Article number	73
Journal	Metals
Volume	12
Issue number	1
DOIs	https://doi.org/10.3390/met12010073
Publication status	Published - Jan 2022

Bibliographical note

Publisher Copyright:
© 2022 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

Mixed oxides
Nanocomposite
NiAlO
Ultrasonic spray pyrolysis
ZnAlO

Access to Document

10.3390/met12010073

Cite this

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abstract = "Mixed oxides have received remarkable attention due to the many opportunities to adjust their interesting structural, electrical, catalytic properties, leading to a better, more useful performance compared to the basic metal oxides. In this study, mixed oxides NiO/ZnO/Al2O3 were synthesized in a single step via the ultrasonic spray pyrolysis method using nitrate salts, and the temperature effects of the process were investigated (400, 600, 800 °C). The synthesized samples were characterized by means of scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction and Raman spectroscopy analyses. The results showed Al2O3, NiO–Al2O3 and ZnO–Al2O3 systems with spinel phases. Furthermore, the Raman peaks supported the coexistence of oxide phases, which strongly impact the overall properties of nanocomposite.",

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AU - Özcelik, Duygu Yeşiltepe

AU - Ebin, Burçak

AU - Stopic, Srecko

AU - Gürmen, Sebahattin

AU - Friedrich, Bernd

PY - 2022/1

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