Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition
Ammonia; Chemical detection; Gas detectors; Graphene; Multilayer films; Multilayers; Chemical vapour deposition; Fixed voltage; Gas sensing applications; Multilayer graphene; Saturation levels; Sensor device; Synthesised; Test chambers; Chemical vapor deposition
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Inderscience Publishers
2023
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my.uniten.dspace-248382023-05-29T15:27:46Z Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition Ali M. Ayodele B.V. Yasin F.M. Hamidon M.N. Rashid S.A. 57210601717 56862160400 55967681200 57193352921 55041302700 Ammonia; Chemical detection; Gas detectors; Graphene; Multilayer films; Multilayers; Chemical vapour deposition; Fixed voltage; Gas sensing applications; Multilayer graphene; Saturation levels; Sensor device; Synthesised; Test chambers; Chemical vapor deposition The gas sensing applications of multilayer graphene (MLG) films have been investigated in this study. The MLG was synthesised by chemical vapour deposition (CVD) over Co-Ni/Al2O3 substrate. The gas sensing experiment was performed by measuring resistance across the MLG film at different times while passing ammonia, hydrogen and, methane through. The MLG-based sensor was exposed to different concentrations of the gases for a period of 15 min at a fixed voltage of 1.5 V. When different gases were introduced to the test chamber at a steady flowrate, the resistance increased and reached a saturation level. The findings showed that the MLG-based sensor device was most sensitive to NH3 and H2 gases whereas it displayed least sensitivity to CH4 gas. This study has demonstrated the suitability of the MLG as a material that can be employed as a sensor device for gas sensing applications selective to NH3 and H2. � 2019 Inderscience Enterprises Ltd. Final 2023-05-29T07:27:46Z 2023-05-29T07:27:46Z 2019 Conference Paper 10.1504/IJNT.2019.107362 2-s2.0-85085945685 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85085945685&doi=10.1504%2fIJNT.2019.107362&partnerID=40&md5=63b009b6906bef80fdd99bad5636ff61 https://irepository.uniten.edu.my/handle/123456789/24838 16 11-Dec 692 705 Inderscience Publishers Scopus |
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| description |
Ammonia; Chemical detection; Gas detectors; Graphene; Multilayer films; Multilayers; Chemical vapour deposition; Fixed voltage; Gas sensing applications; Multilayer graphene; Saturation levels; Sensor device; Synthesised; Test chambers; Chemical vapor deposition |
| author2 |
57210601717 |
| author_facet |
57210601717 Ali M. Ayodele B.V. Yasin F.M. Hamidon M.N. Rashid S.A. |
| format |
Conference Paper |
| author |
Ali M. Ayodele B.V. Yasin F.M. Hamidon M.N. Rashid S.A. |
| spellingShingle |
Ali M. Ayodele B.V. Yasin F.M. Hamidon M.N. Rashid S.A. Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition |
| author_sort |
Ali M. |
| title |
Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition |
| title_short |
Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition |
| title_full |
Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition |
| title_fullStr |
Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition |
| title_full_unstemmed |
Gas sensing applications of multilayer graphene grown on Co-Ni/Al2O3 substrate by chemical vapour deposition |
| title_sort |
gas sensing applications of multilayer graphene grown on co-ni/al2o3 substrate by chemical vapour deposition |
| publisher |
Inderscience Publishers |
| publishDate |
2023 |
| _version_ |
1806424324184211456 |