Photocatalytic degradation of methyl orange in the presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam
AI-doped ZnO (AZO) photocatalysts with different AI concentrations (1-10 mol %) were prepared through sol-gel method and followed by drying process at 300°C for one hour. The obtained samples were characterized by X-Ray Diffraction (XRD), Field Emmision Scanning Electron Microscope (FESEM) combin...
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| Format: | Student Project |
| Language: | English |
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Faculty Of Applied Sciences
2017
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| Subjects: | |
| Online Access: | https://ir.uitm.edu.my/id/eprint/23777/ |
| _version_ | 1848805827201204224 |
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| author | Mohd Nazam, Nur Aliyah Alwani |
| author_facet | Mohd Nazam, Nur Aliyah Alwani |
| author_sort | Mohd Nazam, Nur Aliyah Alwani |
| building | UiTM Institutional Repository |
| collection | Online Access |
| description | AI-doped ZnO (AZO) photocatalysts with different AI concentrations (1-10 mol %)
were prepared through sol-gel method and followed by drying process at 300°C
for one hour. The obtained samples were characterized by X-Ray Diffraction
(XRD), Field Emmision Scanning Electron Microscope (FESEM) combined with
Energy Dispersive X-Ray (EDX) and UV-Vis Spectroscopy. The XRD patterns of
AZO samples were assigned to wurtzite structure of ZnO with the smallest
crystallite size range from 78 - 87 nm. The doping of Al in ZnO crystal structure
successfully suppressed the growth of ZnO nanoparticles confirmed by XRD
patterns. The photocatalytic activities of the samples were evaluated by
photocatalytic degradation of methyl orange at characteristic peak of 466 nm under
UV light. The results showed that the AZO photocatalyst doped with 1 mol % Al
exhibited 89 % of photocatalytic activity compared to pure ZnO which results in
69 %. The enhanced photocatalytic activity could be attributed to extended UV light
absorption, inhibition of the electronehole pair's recombination and enhanced
adsorptivity of methyl orange dye molecule on the surface of AZO nanopowder |
| first_indexed | 2025-11-14T22:17:13Z |
| format | Student Project |
| id | uitm-23777 |
| institution | Universiti Teknologi MARA |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T22:17:13Z |
| publishDate | 2017 |
| publisher | Faculty Of Applied Sciences |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | uitm-237772019-04-09T01:36:10Z https://ir.uitm.edu.my/id/eprint/23777/ Photocatalytic degradation of methyl orange in the presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam Mohd Nazam, Nur Aliyah Alwani Chemicals AI-doped ZnO (AZO) photocatalysts with different AI concentrations (1-10 mol %) were prepared through sol-gel method and followed by drying process at 300°C for one hour. The obtained samples were characterized by X-Ray Diffraction (XRD), Field Emmision Scanning Electron Microscope (FESEM) combined with Energy Dispersive X-Ray (EDX) and UV-Vis Spectroscopy. The XRD patterns of AZO samples were assigned to wurtzite structure of ZnO with the smallest crystallite size range from 78 - 87 nm. The doping of Al in ZnO crystal structure successfully suppressed the growth of ZnO nanoparticles confirmed by XRD patterns. The photocatalytic activities of the samples were evaluated by photocatalytic degradation of methyl orange at characteristic peak of 466 nm under UV light. The results showed that the AZO photocatalyst doped with 1 mol % Al exhibited 89 % of photocatalytic activity compared to pure ZnO which results in 69 %. The enhanced photocatalytic activity could be attributed to extended UV light absorption, inhibition of the electronehole pair's recombination and enhanced adsorptivity of methyl orange dye molecule on the surface of AZO nanopowder Faculty Of Applied Sciences 2017 Student Project NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/23777/1/PPb_NUR%20ALIYAH%20ALWANI%20MOHD%20NAZAM%20AS%20C%2017_5.PDF Mohd Nazam, Nur Aliyah Alwani (2017) Photocatalytic degradation of methyl orange in the presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam. (2017) [Student Project] <http://terminalib.uitm.edu.my/23777.pdf> (Unpublished) |
| spellingShingle | Chemicals Mohd Nazam, Nur Aliyah Alwani Photocatalytic degradation of methyl orange in the presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam |
| title | Photocatalytic degradation of methyl orange in the
presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam |
| title_full | Photocatalytic degradation of methyl orange in the
presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam |
| title_fullStr | Photocatalytic degradation of methyl orange in the
presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam |
| title_full_unstemmed | Photocatalytic degradation of methyl orange in the
presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam |
| title_short | Photocatalytic degradation of methyl orange in the
presence of aluminium-doped zinc oxide / Nur Aliyah Alwani Mohd Nazam |
| title_sort | photocatalytic degradation of methyl orange in the
presence of aluminium-doped zinc oxide / nur aliyah alwani mohd nazam |
| topic | Chemicals |
| url | https://ir.uitm.edu.my/id/eprint/23777/ |