A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye

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Main Author: Mior Mohd Hasri Abdul Aziz
Format: Thesis
Language:English
Published: 2024
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Online Access:https://ir.upsi.edu.my/detailsg.php?det=13741
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author Mior Mohd Hasri Abdul Aziz
author_facet Mior Mohd Hasri Abdul Aziz
author_sort Mior Mohd Hasri Abdul Aziz
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institution Universiti Pendidikan Sultan Idris
language English
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spelling upsi-137412025-12-09 A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye 2024 Mior Mohd Hasri Abdul Aziz QD Chemistry <p>This research aimed to study the role and the stabilization mechanism of hybrid photocatalyst comprising surfactant-exfoliated graphene oxide (sEGO) with zinc oxide (ZnO) for methylene blue (MB) removal. Graphite sheet was exfoliated to produce sEGO by employing synthesized triple chain anionic surfactant, sodium 1,4- bis(neopentyloxy)-3-(neopentylcarbonyl)-1,4-dioxobutane-2-sulfonate (TC14) and compared with commercially available sodium dodecyl sulphate (SDS). The structure, interfacial and colloidal stability of surfactant were studied using proton nuclear magnetic resonance (1H NMR) spectroscopy, air-water (a/w) surface tension and zeta potential measurement. The morphology of photocatalyst were characterized using Field emission scanning electron microscopy (FESEM), Raman spectroscopy, Highresolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The performance of photocatalyst for MB removal were measured through ultraviolet-visible (UV-vis) spectroscopy. The aggregation behaviour of sEGO in the presence of ZnO photocatalyst were analyzed using smallangle neutron scattering (SANS). Results showed that introduction of the triple-chain TC14 surfactant for sEGO with ZnO as photocatalyst demonstrated outstanding MB removal efficiency at 98.53%. SANS analysis revealed that employing TC14 surfactant enhances sEGO properties by having high surface area and rich oxygen functional group as photocatalyst compared to commercial SDS surfactant. In conclusion, the chain branching modification in surfactant chemical structure optimize sEGO properties with ZnO as efficient photocatalyst for MB removal. As implications, modification of surfactant in sEGO with ZnO as photocatalyst opens up new alternative approach for wastewater treatment.</p> 2024 thesis https://ir.upsi.edu.my/detailsg.php?det=13741 https://ir.upsi.edu.my/detailsg.php?det=13741 text eng N/A openAccess Masters Perpustakaan Tuanku Bainun Fakulti Sains dan Matematik <p>Abbas, Q., Shinde, P. A., Abdelkareem, M. A., Alami, A. H., Mirzaeian, M., Yadav, A., & Olabi, A. G. (2022). Graphene Synthesis Techniques and Environmental Applications. Materials, 15(21). https://doi.org/10.3390/ma15217804</p><p></p><p></p><p>Abdiyev, K., Azat, S., Kuldeyev, E., Ybyraiymkul, D., Kabdrakhmanova, S., Berndtsson, R., Sultakhan, S. (2023). Review of Slow Sand Filtration for Raw Water Treatment with Potential Application in Less-Developed Countries. 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spellingShingle QD Chemistry
Mior Mohd Hasri Abdul Aziz
A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye
thesis_level Master
title A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye
title_full A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye
title_fullStr A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye
title_full_unstemmed A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye
title_short A facile surfactant-assisted synthesis of graphene oxide/zinc oxide catalyst for the degradation of methylene blue dye
title_sort facile surfactant assisted synthesis of graphene oxide zinc oxide catalyst for the degradation of methylene blue dye
topic QD Chemistry
url https://ir.upsi.edu.my/detailsg.php?det=13741
work_keys_str_mv AT miormohdhasriabdulaziz afacilesurfactantassistedsynthesisofgrapheneoxidezincoxidecatalystforthedegradationofmethylenebluedye
AT miormohdhasriabdulaziz facilesurfactantassistedsynthesisofgrapheneoxidezincoxidecatalystforthedegradationofmethylenebluedye