Development of Ag0.04ZrO2/rGO heterojunction, as an efficient visible light photocatalyst for degradation of methyl orange

Methyl orange (MO) is mutagenic, poisonous, and carcinogenic in nature, hence, effective methods are required for its degradation. We have synthesized pure ZrO 2 , Ag-doped ZrO 2, and Ag-doped ZrO 2 /rGO as hybrid photocatalysts by facile hydrothermal method. These photocatalysts were characterized...

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Bibliographic Details
Published in:Scientific reports 2022-07, Vol.12 (1), p.12308-12308, Article 12308
Main Authors: Iqbal, Rana Muhammad Arslan, Akhtar, Tehmina, Sitara, Effat, Nasir, Habib, Fazal, Aliya, Rafique, Uzaira, Ullah, Sharif, Mehmood, Adeel
Format: Article
Language:English
Subjects:
639/638
639/925
Catalysts
Dosage
Humanities and Social Sciences
Irradiation
multidisciplinary
Photocatalysis
Photodegradation
Photons
Raman spectroscopy
Scanning electron microscopy
Science
Science (multidisciplinary)
Ultraviolet radiation
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Summary:Methyl orange (MO) is mutagenic, poisonous, and carcinogenic in nature, hence, effective methods are required for its degradation. We have synthesized pure ZrO 2 , Ag-doped ZrO 2, and Ag-doped ZrO 2 /rGO as hybrid photocatalysts by facile hydrothermal method. These photocatalysts were characterized by powder XRD, scanning electron microscopy, EDX, FTIR, photoluminescence, UV–Vis diffuse reflectance (DRS), and Raman spectroscopy. The photodegradation of MO (10 ppm) was studied with pure ZrO 2 , Ag-doped ZrO 2, and Ag-doped ZrO 2 /rGO (10 mg/100 mL catalyst dosage) photocatalysts at 100 min irradiation time under UV–Visible light. The pH effect and catalyst dosage on photodegradation of MO was investigated. Ag 0.04 ZrO 2 /rGO photocatalyst exhibited the maximum photocatalytic degradation of MO (87%) as compared to Ag 0.04 ZrO 2 (60%) and pure ZrO 2 (26%). Reusability experiments ensured the excellent stability of photocatalyst after five consecutive experiments. To the best of our knowledge, this is the first report on the facile hydrothermal synthesis of Ag 0.04 ZrO 2 /rGO photocatalyst for photocatalytic degradation of methyl orange.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-16673-7