The Influence of Calcination Temperature on Structural and Optical properties of ZnO-SiO2 Nanocomposite by Simple Thermal Treatment Route

• Autorzy: Alibe I. M. , Matori K. A. , Aziz S. H. A. , Yazid Y. , Saion E. , Alibe A. M. , Zaid M. H. M. , Ghapur Engku E. A. A. , Zangina T.

Identyfikatory

DOI

10.24425/118972

• Języki publikacji: EN

Abstrakty

EN

This study offers a new method to synthesize facilely willemite (Zn₂ SiO₄ ) based phosphor at the temperature of 800°C. The ZnO-SiO₂ nanocomposite was calcined at different temperatures between 500 and 1000°C. The structural, morphological and optical properties of the nanocomposite obtained at various calcination temperatures were studied using different techniques. The FT-IR, XRD and the UV-vis result confirmed the formation of willemite phase. The precursor was confirmed to be amorphous by XRD at room temperature, but upon calcination temperature at 500°C, it was transformed into a crystalline structure. The crystallinity and the particle size of the nanocomposite increase as the calcination temperature were increased as revealed by XRD and TEM measurement. The sample exhibits a spherical morphology from 500 to 800°C and dumbbell-like morphology above 800°C as shown by the FESEM images. The absorption spectrum suffers intense in lower temperature and tends to shift to lower wavelength in the UV region as the calcination temperature increases. The band gap values were found to be increasing from 3.228-5.550 eV obtained between 500 to 1000°C, and all the results confirm the formation of willemite phase at 800°C.

Słowa kluczowe

EN

optical properties; calcination; phosphor; nanocomposite

• 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: 2018
• Tom: Vol. 63, iss. 2
• Strony: 539--545
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wzory

Twórcy

autor

Alibe I. M.

• Material Synthesis and Characterization Laboratory (MSCL), Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
• National Research Institute for Chemical Technology Zaria, Kaduna State Nigeria

autor

Matori K. A.

• Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Malaysia
• Material Synthesis and Characterization Laboratory (MSCL), Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia

autor

Aziz S. H. A.

• Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Malaysia

autor

Yazid Y.

• Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Malaysia

autor

Saion E.

• Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Malaysia

autor

Alibe A. M.

• Mechanical Engineering Departments, Federal Polytechnic, Damaturu, 620221 Yobe State, Nigeria
• Coventry University, Faculty of Engineering and Computing, Departments of Mechanical, Automotive and Manufacturing, CV1 5FB, Coventry, United Kingdom

autor

Zaid M. H. M.

• Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Malaysia

autor

Ghapur Engku E. A. A.

• Material Synthesis and Characterization Laboratory (MSCL), Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia

autor

Zangina T.

• Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Malaysia

Bibliografia

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Uwagi

EN

The researchers gratefully acknowledge the financial support for this study from the Malaysian Ministry of Higher Education (MOHE) Grant Number 9531300 and Universiti Putra Malaysia through the International Graduate Research Fund (IGRF) UPM/SPS/GS46148.

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).