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Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles

In this work, waste coconut husk ash was used to prepare a ZnO-SiO2 composite. Solid-state technique was used to fabricate the composite due to its producibility, simple procedure as well as lower production cost. At high sintering temperatures ranging from 600 °C to 1000 °C, the X-ray diffraction (...

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Main Authors:	Anuar, Muhammad Fahmi, Fen, Yap Wing, Mohd Zaid, Mohd Hafiz, Sheh Omar, Nur Alia, Mohamed Khaidir, Rahayu Emilia
Format:	Article
Published:	MDPI AG 2020
Online Access:	http://psasir.upm.edu.my/id/eprint/85828/ https://www.mdpi.com/1996-1944/13/11/2555
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id	my.upm.eprints.85828
record_format	eprints
spelling	my.upm.eprints.858282023-10-02T04:07:44Z http://psasir.upm.edu.my/id/eprint/85828/ Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles Anuar, Muhammad Fahmi Fen, Yap Wing Mohd Zaid, Mohd Hafiz Sheh Omar, Nur Alia Mohamed Khaidir, Rahayu Emilia In this work, waste coconut husk ash was used to prepare a ZnO-SiO2 composite. Solid-state technique was used to fabricate the composite due to its producibility, simple procedure as well as lower production cost. At high sintering temperatures ranging from 600 °C to 1000 °C, the X-ray diffraction (XRD) peaks of the Zn2SiO4 showed high intensity, which indicated high crystallinity. Furthermore, the formation of broad bands of ZnO4, Si-O-Si, and SiO4 were detected by Fourier transform infrared (FTIR) spectroscopy and the bands became narrower with the increment of sintering temperature. Besides, the morphological image from field emission scanning electron microscopy (FESEM) showed the formation of densely packed grains and smooth surface composite with the increase of sintering temperature. Upon obtaining the absorbance spectrum from Ultraviolet–Visible (UV–Vis) spectroscopy, the optical band gap was calculated to be 4.05 eV at 1000 °C. The correlation between the structural and optical properties of ZnO-SiO2 composite was discussed in detail. MDPI AG 2020 Article PeerReviewed Anuar, Muhammad Fahmi and Fen, Yap Wing and Mohd Zaid, Mohd Hafiz and Sheh Omar, Nur Alia and Mohamed Khaidir, Rahayu Emilia (2020) Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles. Materials, 13 (11). art. no. 2555. pp. 1-10. ISSN 1996-1944 https://www.mdpi.com/1996-1944/13/11/2555 10.3390/ma13112555
institution	Universiti Putra Malaysia
building	UPM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Putra Malaysia
content_source	UPM Institutional Repository
url_provider	http://psasir.upm.edu.my/
description	In this work, waste coconut husk ash was used to prepare a ZnO-SiO2 composite. Solid-state technique was used to fabricate the composite due to its producibility, simple procedure as well as lower production cost. At high sintering temperatures ranging from 600 °C to 1000 °C, the X-ray diffraction (XRD) peaks of the Zn2SiO4 showed high intensity, which indicated high crystallinity. Furthermore, the formation of broad bands of ZnO4, Si-O-Si, and SiO4 were detected by Fourier transform infrared (FTIR) spectroscopy and the bands became narrower with the increment of sintering temperature. Besides, the morphological image from field emission scanning electron microscopy (FESEM) showed the formation of densely packed grains and smooth surface composite with the increase of sintering temperature. Upon obtaining the absorbance spectrum from Ultraviolet–Visible (UV–Vis) spectroscopy, the optical band gap was calculated to be 4.05 eV at 1000 °C. The correlation between the structural and optical properties of ZnO-SiO2 composite was discussed in detail.
format	Article
author	Anuar, Muhammad Fahmi Fen, Yap Wing Mohd Zaid, Mohd Hafiz Sheh Omar, Nur Alia Mohamed Khaidir, Rahayu Emilia
spellingShingle	Anuar, Muhammad Fahmi Fen, Yap Wing Mohd Zaid, Mohd Hafiz Sheh Omar, Nur Alia Mohamed Khaidir, Rahayu Emilia Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles
author_facet	Anuar, Muhammad Fahmi Fen, Yap Wing Mohd Zaid, Mohd Hafiz Sheh Omar, Nur Alia Mohamed Khaidir, Rahayu Emilia
author_sort	Anuar, Muhammad Fahmi
title	Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles
title_short	Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles
title_full	Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles
title_fullStr	Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles
title_full_unstemmed	Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles
title_sort	sintering temperature effect on structural and optical properties of heat treated coconut husk ash derived sio2 mixed with zno nanoparticles
publisher	MDPI AG
publishDate	2020
url	http://psasir.upm.edu.my/id/eprint/85828/ https://www.mdpi.com/1996-1944/13/11/2555
_version_	1781706649145180160
score	13.211869

Sintering temperature effect on structural and optical Properties of heat treated coconut husk ash derived SiO2 mixed with ZnO nanoparticles

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