Effect of Annealing Temperature on Thermal Behaviour and Crystallinity of Zinc Oxide Supported Magnesium Aluminate (ZnO/MgAl₂O₄) Via Green Synthesis One Pot Fusion

• Autorzy: Sukiman Nurul Syazwani , Zavawi Mohammad Firman , Rahmat Norhasyimi , Abdullah Mohd Mustafa Al Bakri

Identyfikatory

DOI

10.24425/amm.2024.149781

• Języki publikacji: EN

Abstrakty

EN

Zinc oxide-supported magnesium aluminate (ZnO/MgAl₂O₄) was synthesized by the one-pot fusion method, consuming magnesium nitrate, aluminum nitrate, and citric acid as starting precursors. The samples prepared were annealed at temperatures ranging from 700 to 900°C to study the influence of annealing temperature on thermal behaviour and crystalline properties. The thermal behaviour of ZnO/MgAl₂O₄ was characterized by thermogravimetric analysis (TGA), while the structural properties and crystalline phase of ZnO/MgAl₂O₄ were analysed by X-ray diffraction (XRD). The TGA results show that there were three stages of decomposition in the sample. The first stage indicates the removal of water content from the sample; the second stage indicates the decomposition of citric acid; and the third stage represents the crystallization phase formation at a temperature range of 800-950°C. The percentage of citric acid decomposition increases with increasing annealing temperatures up to 800°C. However, the decomposition rate gradually reduces at annealing temperatures between 850 and 900°C. XRD analysis results suggest that microstructured ZnO/MgAl₂O₄ with high crystallinity can be obtained at the highest annealing temperature. It can be concluded that the result of thermal behaviour represented by the decomposition stage is corroborated with structural and crystalline properties at increasing annealing temperatures.

Słowa kluczowe

EN

magnesium aluminate; one pot fusion; crystallinity; thermal behaviour; green synthesis

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2024
• Tom: Vol. 69, iss. 2
• Strony: 541--544
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Sukiman Nurul Syazwani

• Universiti Teknologi MARA, School of Chemical Engineering, College of Engineering, 40450 Shah Alam, Selangor, Malaysia

• https://orcid.org/0000-0002-9311-3148

autor

Zavawi Mohammad Firman

• Universiti Teknologi MARA, School of Chemical Engineering, College of Engineering, 40450 Shah Alam, Selangor, Malaysia

• https://orcid.org/0000-0002-1253-7142

autor

Rahmat Norhasyimi

• Universiti Teknologi MARA, School of Chemical Engineering, College of Engineering, 40450 Shah Alam, Selangor, Malaysia

• https://orcid.org/0000-0001-6890-1890

autor

Abdullah Mohd Mustafa Al Bakri

• Universiti Malaysia Perlis, Centre of Excellence Geopolymer & Green Technology, 01000 Kangar, Perlis, Malaysia

• https://orcid.org/0000-0002-9779-8586

Bibliografia

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Uwagi

Research grant FRGS/1/2018/TK05/UiTM/03/7 and 600-RMC/GPM LPHD5/3 (077/2022) are gratefully acknowledged for supporting the present research study.