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Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures

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Main Authors: Evan T., Salim, Farhan, A. Mohamed, Azhar, I. Hassan
Other Authors: evan_tarq@yahoo.com
Format: Article
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2022
Subjects:
Meso-porous
Tungsten oxide
Thin films
Polycrystalline structure
Nanostructure
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77144
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spelling my.unimap-771442022-11-23T03:43:54Z Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures Evan T., Salim Farhan, A. Mohamed Azhar, I. Hassan Evan T., Salim evan_tarq@yahoo.com Laser Science and Technology Branch, University of Technology Meso-porous Tungsten oxide Thin films Polycrystalline structure Nanostructure Link to publisher's homepage at http://ijneam.unimap.edu.my/ Polycrystalline tungsten oxide (WO3) thin films were prepared using the spray pyrolysis method at various substrate temperatures (200, 250, 300, 350, and 400 °C) on the quartz substrate. The X-ray diffraction pattern showed polycrystalline films with a monoclinic structure. Analysis using field-emission scanning electron microscopy revealed a porous fibrous reticulate morphology. The EDs results reflected the formation of stoichiometric films with optimum stoichiometry at 350 °C substrate temperature. The transmittance spectra at the 300–1100 nm spectral range reached about 55% with a direct band gap of 3.3 eV. The optical constant was also estimated and analyzed, where optical conductivity was found to be about 5.4669 x1014 (Ω cm)-1 while, 2.09 eV was the value of Urbach energy at 350 °C. 2022 2022-11-23T03:43:54Z 2022-11-23T03:43:54Z 2022-10 Article International Journal of Nanoelectronics and Materials, vol.15 (4), 2022, pages 281-292 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77144 http://ijneam.unimap.edu.my en Universiti Malaysia Perlis (UniMAP)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Meso-porous
Tungsten oxide
Thin films
Polycrystalline structure
Nanostructure
spellingShingle Meso-porous
Tungsten oxide
Thin films
Polycrystalline structure
Nanostructure
Evan T., Salim
Farhan, A. Mohamed
Azhar, I. Hassan
Evan T., Salim
Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
description Link to publisher's homepage at http://ijneam.unimap.edu.my/
author2 evan_tarq@yahoo.com
author_facet evan_tarq@yahoo.com
Evan T., Salim
Farhan, A. Mohamed
Azhar, I. Hassan
Evan T., Salim
format Article
author Evan T., Salim
Farhan, A. Mohamed
Azhar, I. Hassan
Evan T., Salim
author_sort Evan T., Salim
title Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
title_short Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
title_full Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
title_fullStr Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
title_full_unstemmed Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
title_sort meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2022
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77144
_version_ 1753972988027338752
score 13.211869

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