Effect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles
In this work, the main objective is to enhance the gas sensing capability through investigating the effect of Al and Mg doping on ZnO based sensors. ZnO, Mg<sub>1%</sub> doped ZnO, Al<sub>5%</sub> doped ZnO and (Al<sub>5%,</sub> Mg<sub>1%</sub>) co-dop...
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2021
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oai:doaj.org-article:86a22b1b895d4c07a75c495453f7b1362021-11-25T17:13:30ZEffect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles10.3390/chemosensors91103002227-9040https://doaj.org/article/86a22b1b895d4c07a75c495453f7b1362021-10-01T00:00:00Zhttps://www.mdpi.com/2227-9040/9/11/300https://doaj.org/toc/2227-9040In this work, the main objective is to enhance the gas sensing capability through investigating the effect of Al and Mg doping on ZnO based sensors. ZnO, Mg<sub>1%</sub> doped ZnO, Al<sub>5%</sub> doped ZnO and (Al<sub>5%,</sub> Mg<sub>1%</sub>) co-doped ZnO nanoparticles (NPs) were synthesized by a modified sol-gel method. The structural characterization showed the hexagonal crystalline structure of the prepared samples. Morphological characterizations confirmed the nanometric sizes of the NPs (27–57 nm) and elemental composition investigation proved the existence of Al and Mg with low concentrations. The optical characterization showed the high absorbance of the synthesized samples in the UV range. The gas sensing performances of the synthesized samples, prepared in the form of thick films, were investigated. Sensing tests demonstrated the high influence of the Al and Mg on the sensing performances towards H<sub>2</sub> and CO gas, respectively. The 5A1MZO-based sensor exhibits high sensitivity and low detection limits to H<sub>2</sub> (<2 ppm) and CO (<1 ppm). It showed a response around 70 (at 250 °C) towards 2000 ppm H<sub>2</sub> and 2 (at 250 °C) towards CO.Soumaya JaballahYazeed AlaskarIbrahim AlShunaifiImed GhiloufiGiovanni NeriChaker BouzidiHassen DahmanLassaad El MirMDPI AGarticle(Al<sub>5%</sub>,Mg<sub>1%</sub>) co-doped ZnOnanoparticlessol-gelgas sensorhydrogencarbon monoxideBiochemistryQD415-436ENChemosensors, Vol 9, Iss 300, p 300 (2021) |
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DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
(Al<sub>5%</sub>,Mg<sub>1%</sub>) co-doped ZnO nanoparticles sol-gel gas sensor hydrogen carbon monoxide Biochemistry QD415-436 |
| spellingShingle |
(Al<sub>5%</sub>,Mg<sub>1%</sub>) co-doped ZnO nanoparticles sol-gel gas sensor hydrogen carbon monoxide Biochemistry QD415-436 Soumaya Jaballah Yazeed Alaskar Ibrahim AlShunaifi Imed Ghiloufi Giovanni Neri Chaker Bouzidi Hassen Dahman Lassaad El Mir Effect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles |
| description |
In this work, the main objective is to enhance the gas sensing capability through investigating the effect of Al and Mg doping on ZnO based sensors. ZnO, Mg<sub>1%</sub> doped ZnO, Al<sub>5%</sub> doped ZnO and (Al<sub>5%,</sub> Mg<sub>1%</sub>) co-doped ZnO nanoparticles (NPs) were synthesized by a modified sol-gel method. The structural characterization showed the hexagonal crystalline structure of the prepared samples. Morphological characterizations confirmed the nanometric sizes of the NPs (27–57 nm) and elemental composition investigation proved the existence of Al and Mg with low concentrations. The optical characterization showed the high absorbance of the synthesized samples in the UV range. The gas sensing performances of the synthesized samples, prepared in the form of thick films, were investigated. Sensing tests demonstrated the high influence of the Al and Mg on the sensing performances towards H<sub>2</sub> and CO gas, respectively. The 5A1MZO-based sensor exhibits high sensitivity and low detection limits to H<sub>2</sub> (<2 ppm) and CO (<1 ppm). It showed a response around 70 (at 250 °C) towards 2000 ppm H<sub>2</sub> and 2 (at 250 °C) towards CO. |
| format |
article |
| author |
Soumaya Jaballah Yazeed Alaskar Ibrahim AlShunaifi Imed Ghiloufi Giovanni Neri Chaker Bouzidi Hassen Dahman Lassaad El Mir |
| author_facet |
Soumaya Jaballah Yazeed Alaskar Ibrahim AlShunaifi Imed Ghiloufi Giovanni Neri Chaker Bouzidi Hassen Dahman Lassaad El Mir |
| author_sort |
Soumaya Jaballah |
| title |
Effect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles |
| title_short |
Effect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles |
| title_full |
Effect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles |
| title_fullStr |
Effect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles |
| title_full_unstemmed |
Effect of Al and Mg Doping on Reducing Gases Detection of ZnO Nanoparticles |
| title_sort |
effect of al and mg doping on reducing gases detection of zno nanoparticles |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/86a22b1b895d4c07a75c495453f7b136 |
| work_keys_str_mv |
AT soumayajaballah effectofalandmgdopingonreducinggasesdetectionofznonanoparticles AT yazeedalaskar effectofalandmgdopingonreducinggasesdetectionofznonanoparticles AT ibrahimalshunaifi effectofalandmgdopingonreducinggasesdetectionofznonanoparticles AT imedghiloufi effectofalandmgdopingonreducinggasesdetectionofznonanoparticles AT giovannineri effectofalandmgdopingonreducinggasesdetectionofznonanoparticles AT chakerbouzidi effectofalandmgdopingonreducinggasesdetectionofznonanoparticles AT hassendahman effectofalandmgdopingonreducinggasesdetectionofznonanoparticles AT lassaadelmir effectofalandmgdopingonreducinggasesdetectionofznonanoparticles |
| _version_ |
1718412600843173888 |