Meso-porous-like tungsten oxide structure: a study on some physical properties at different deposited temperatures
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Universiti Malaysia Perlis (UniMAP)
2022
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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) |
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Meso-porous Tungsten oxide Thin films Polycrystalline structure Nanostructure |
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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 |
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Link to publisher's homepage at http://ijneam.unimap.edu.my/ |
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evan_tarq@yahoo.com |
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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 |
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1753972988027338752 |