Photocatalytic degradation of bisphenol A and energy storage capability of novel MoO3/ZnO/GO under visible light irradiation

Discharging endocrine-disrupting compound (EDC), namely, bisphenol A (BPA) into a water body does not only affect the public health but also gives adverse effects to the ecosystem. To encounter this issue, reliable treatment for BPA removal is highly required. Ternary combination of different metal...

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Published in:Journal of materials science 2023-06, Vol.58 (22), p.9233-9250
Main Authors: Moslan, Mohd. Shahrizan, Othman, Mohd. Hafiz Dzarfan, Zakria, Hazirah Syahirah, Ismail, Nurul Jannah, Borhamdin, Suhaila, Rahman, Mukhlis A., Jaafar, Juhana, Puteh, Mohd. Hafiz, Hashim, Norbaya, Kerisnan, Nirmala Devi A. P., Yahaya, Nasehir Khan E. M., Idris, Alias
Format: Article
Language:English
Subjects:
Bisphenol A
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Crystallography and Scattering Methods
Electromagnetic absorption
Energy Materials
Energy storage
Graphene
Light irradiation
Materials Science
Metal oxides
Molybdenum trioxide
Photocatalysis
Photocatalysts
Photodegradation
Polymer Sciences
Potential energy
Public health
Solid Mechanics
Wastewater treatment
Zinc oxide
Zinc oxides
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Summary:Discharging endocrine-disrupting compound (EDC), namely, bisphenol A (BPA) into a water body does not only affect the public health but also gives adverse effects to the ecosystem. To encounter this issue, reliable treatment for BPA removal is highly required. Ternary combination of different metal oxides could be a novel energy storage photocatalyst toward efficient degradation of BPA under visible light radiation. The novel ternary photocatalyst of molybdenum trioxide with zinc oxide and graphene oxide (MoO 3 /ZnO/GO) was synthesized via hydrothermal and Hummer method at different hydrothermal times (6, 12, 18, and 24 h) and different GO compositions (0.5, 0.75, and 1.00 wt%) prior to the characterization for the morphological and physicochemical properties. ZnO has higher light absorption efficiency while MoO 3 and GO were selected to be doped with ZnO owing to their good energy storage capability. MoO 3 synthesized at 6 h of reaction time was chosen due to the uniform and abundant MoO 3 production. The photocatalytic performance of MoO 3 /ZnO/GO with 0.5 wt% of GO reported 70% of 1-mg/L BPA degradation achieved after 180 min under visible light irradiation due to the reduced band gap at 2.38 eV. The energy storage capability of MoO 3 /ZnO/GO with 0.5 wt% of GO illuminated with 180-min visible light exhibit outstanding 100% of 1-mg/L BPA degradation after 30-min reaction in dark condition. A novel MoO 3 /ZnO/GO is significantly enhancing the photocatalytic degradation of BPA and acts as potential energy storage material for EDC removal in wastewater treatment. Graphical abstract
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-023-08580-7