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Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]

Zinc oxide (ZnO) is a unique semiconducting material that popular among researchers due to its potential in various applications. ZnO has wide optical band gap energy of 3.37 eV and high excitation binding energy of 60 meV. Numerous methods can be used to fabricate nanostructured ZnO-based gas senso...

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Main Authors: A.K., Shafura, M.H., Mamat, M, Uzer, M., Rusop, N.D., Md Sin, A., Shuhaimi, A.H. Alrokayan, Salman, A. Khan, Haseeb
Format: Article
Language:English
Published: Faculty of Mechanical Engineering Universiti Teknologi MARA (UiTM) 2017
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://ir.uitm.edu.my/id/eprint/36991/1/36991.pdf
http://ir.uitm.edu.my/id/eprint/36991/
https://jmeche.uitm.edu.my/
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spelling my.uitm.ir.369912020-11-16T04:53:04Z http://ir.uitm.edu.my/id/eprint/36991/ Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.] A.K., Shafura M.H., Mamat M, Uzer M., Rusop N.D., Md Sin A., Shuhaimi A.H. Alrokayan, Salman A. Khan, Haseeb TJ Mechanical engineering and machinery Zinc oxide (ZnO) is a unique semiconducting material that popular among researchers due to its potential in various applications. ZnO has wide optical band gap energy of 3.37 eV and high excitation binding energy of 60 meV. Numerous methods can be used to fabricate nanostructured ZnO-based gas sensor, such as, physical vapor deposition (PVD), chemical vapor deposition (CVD), immersion method and etc. Immersion method is considered as a low cost and easy method to obtain nanostructured ZnO. In this work, the nanostructured ZnO-based gas sensor have been fabricated by immersion method using zinc acetate dehydrate (Zn(CH3COO)22H2O) as the precursor. The ZnO solution’s molarity was varied ranging from 0.02 M to 0.10 M. The effect of different molarity on its structural, electrical and sensing properties was investigated. The structural properties were characterized using atomic force microscopy (AFM). All samples have roughness value in range of 13 nm to 21 nm. The electrical properties were measured using current-voltage (IV) measurement. The highest conductivity of 3.3 × 10-3S∙cm-1 was obtained by 0.06 M. The sensing properties were characterized using simple gas testing setup. The samples were tested to 5% methane gas at operating temperature of 150 oC. The 0.06 M exhibited the highest sensitivity of 14.3%. Faculty of Mechanical Engineering Universiti Teknologi MARA (UiTM) 2017 Article PeerReviewed text en http://ir.uitm.edu.my/id/eprint/36991/1/36991.pdf A.K., Shafura and M.H., Mamat and M, Uzer and M., Rusop and N.D., Md Sin and A., Shuhaimi and A.H. Alrokayan, Salman and A. Khan, Haseeb (2017) Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]. Journal of Mechanical Engineering (JMechE), SI 1 (1). pp. 53-64. ISSN 1823-5514 ; 2550-164X https://jmeche.uitm.edu.my/
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
A.K., Shafura
M.H., Mamat
M, Uzer
M., Rusop
N.D., Md Sin
A., Shuhaimi
A.H. Alrokayan, Salman
A. Khan, Haseeb
Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]
description Zinc oxide (ZnO) is a unique semiconducting material that popular among researchers due to its potential in various applications. ZnO has wide optical band gap energy of 3.37 eV and high excitation binding energy of 60 meV. Numerous methods can be used to fabricate nanostructured ZnO-based gas sensor, such as, physical vapor deposition (PVD), chemical vapor deposition (CVD), immersion method and etc. Immersion method is considered as a low cost and easy method to obtain nanostructured ZnO. In this work, the nanostructured ZnO-based gas sensor have been fabricated by immersion method using zinc acetate dehydrate (Zn(CH3COO)22H2O) as the precursor. The ZnO solution’s molarity was varied ranging from 0.02 M to 0.10 M. The effect of different molarity on its structural, electrical and sensing properties was investigated. The structural properties were characterized using atomic force microscopy (AFM). All samples have roughness value in range of 13 nm to 21 nm. The electrical properties were measured using current-voltage (IV) measurement. The highest conductivity of 3.3 × 10-3S∙cm-1 was obtained by 0.06 M. The sensing properties were characterized using simple gas testing setup. The samples were tested to 5% methane gas at operating temperature of 150 oC. The 0.06 M exhibited the highest sensitivity of 14.3%.
format Article
author A.K., Shafura
M.H., Mamat
M, Uzer
M., Rusop
N.D., Md Sin
A., Shuhaimi
A.H. Alrokayan, Salman
A. Khan, Haseeb
author_facet A.K., Shafura
M.H., Mamat
M, Uzer
M., Rusop
N.D., Md Sin
A., Shuhaimi
A.H. Alrokayan, Salman
A. Khan, Haseeb
author_sort A.K., Shafura
title Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]
title_short Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]
title_full Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]
title_fullStr Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]
title_full_unstemmed Sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / A.K. Shafura...[et al.]
title_sort sensing properties of nanostructured zinc oxide-based gas sensor fabricated using immersion method / a.k. shafura...[et al.]
publisher Faculty of Mechanical Engineering Universiti Teknologi MARA (UiTM)
publishDate 2017
url http://ir.uitm.edu.my/id/eprint/36991/1/36991.pdf
http://ir.uitm.edu.my/id/eprint/36991/
https://jmeche.uitm.edu.my/
_version_ 1685651473862492160
score 13.211869

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