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Ikram M, Jamal F, Haider A, Dilpazir S, Shujah T, Naz M, Imran M, Ul-Hamid A, Shahzadi I, Ullah H, Nabgan W, Ali S. Efficient Photocatalytic Dye Degradation and Bacterial Inactivation by Graphitic Carbon Nitride and Starch-Doped Magnesium Hydroxide Nanostructures. ACS OMEGA 2022; 7:39998-40008. [PMID: 36385836 PMCID: PMC9648148 DOI: 10.1021/acsomega.2c04650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
The removal of hazardous pollutants from water is becoming an increasingly interesting topic of research considering their impact on the environment and the ecosystem. This work was carried out to synthesize graphitic carbon nitride (g-C3N4) and starch-doped magnesium hydroxide (g-C3N4/St-Mg(OH)2) nanostructures via a facile co-precipitation process. The focus of this study is to treat polluted water and bactericidal behavior with a ternary system (doping-dependent Mg(OH)2). Different concentrations (2 and 4 wt %) of g-C3N4 were doped in a fixed amount of starch and Mg(OH)2 to degrade methylene blue dye from an aqueous solution with bactericidal potential against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) pathogens. The textural structures, morphological evolutions, and optical characteristics of the as-prepared samples were analyzed using advanced characterization techniques. X-ray diffraction confirmed the hexagonal phase of Mg(OH)2 with improved crystallinity upon doping. Fourier transform infrared spectroscopy revealed Mg(OH)2 stretching vibrations and other functional groups. UV-visible spectroscopy exhibited a red shift (bathochromic effect) in absorption spectra representing the decrease in energy band gap (E g). Photoluminescence patterns were recorded to study recombination of charge carriers (e- and h+). A significant enhancement in photodegradation efficiency (97.62%) and efficient bactericidal actions against E. coli (14.10 mm inhibition zone) and S. aureus (7.45 mm inhibition zone) were observed for higher doped specimen 4% g-C3N4/St-Mg(OH)2.
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Affiliation(s)
- Muhammad Ikram
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore54000, Pakistan
| | - Farzana Jamal
- Solar
Cell Applications Research Lab, Department of Physics, Government College University Lahore, Lahore54000, Pakistan
| | - Ali Haider
- Department
of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan66000, Pakistan
| | - Sobia Dilpazir
- Department
of Chemistry, Comsats University, Islamabad45550, Pakistan
| | - Tahira Shujah
- Department
of Physics, University of Central Punjab, Lahore54000, Pakistan
| | - Misbah Naz
- Department
of Chemistry, Division of Science & Technology, University of Education, Lahore54000, Pakistan
| | - Muhammad Imran
- Department
of Chemistry, Government College University
Faisalabad, Pakpattan
Road, Sahiwal, Punjab57000, Pakistan
| | - Anwar Ul-Hamid
- Core
Research Facilities, King Fahd University
of Petroleum & Minerals, Dhahran31261, Saudi Arabia
| | - Iram Shahzadi
- Punjab
University College of Pharmacy, University
of the Punjab, Allama Iqbal Campus, Lahore54000, Pakistan
| | - Hassam Ullah
- Department
of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore54000, Pakistan
| | - Walid Nabgan
- Departament
d’Enginyeria Química, Universitat
Rovira i Virgili, Av
Països Catalans 26, Tarragona43007, Spain
| | - Salamat Ali
- Department
of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University, 14 Ali Road, Lahore54000, Pakistan
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Facile synthesis of silver and polyacrylic acid doped magnesium oxide nanostructure for photocatalytic dye degradation and bactericidal behavior. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-022-02504-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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