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Bhatti MA, Almaani KF, Shah AA, Tahira A, Chandio AD, Mugheri AQ, Bhatti AL, Waryani B, Medany SS, Nafady A, Ibupoto ZH. Low Temperature Aqueous Chemical Growth Method for the Doping of W into ZnO Nanostructures and Their Photocatalytic Role in the Degradration of Methylene Blue. J CLUST SCI 2022. [DOI: 10.1007/s10876-021-02069-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Bhatti MA, Shah AA, Almaani KF, Tahira A, Chandio AD, Willander M, Nur O, Mugheri AQ, Bhatti AL, Waryani B, Nafady A, Ibupoto ZH. TiO₂/ZnO Nanocomposite Material for Efficient Degradation of Methylene Blue. J Nanosci Nanotechnol 2021; 21:2511-2519. [PMID: 33500069 DOI: 10.1166/jnn.2021.19107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this research work, we have produced a composite material consisting titanium dioxide (TiO₂) and zinc oxide (ZnO) nanostructures via precipitation method. Scanning electron microscopy (SEM) study has shown the mixture of nanostructures consisting nanorods and nano flower. Energy dispersive spectroscopy (EDS) study has confirmed the presence of Ti, Zn and O as main elements in the composite. X-ray diffraction (XRD) study has revealed that the successful presence of TiO₂ and ZnO in the composite. The composite material exhibits small optical energy band gap which led to reduction of the charge recombination rate of electron-hole pairs. The band gap for the composite TiO₂/ZnO samples namely 1, 2, 3 and 4 is 3.18, 3.00, 2.97 and 2.83 eV respectively. Small optical bandgap gives less relaxation time for the recombination of electron and hole pairs, thus favorable photodegradation is found. The degradation efficiency for the TiO₂/ZnO samples for methylene blue in order of 55.03%, 75.7%, 85.14% and 90.08% is found for the samples 1, 2, 3 and 4 respectively. The proposed study of titanium dioxide addition into ZnO is facile and inexpensive for the development of efficient photocatalysts. This can be capitalized at large scale for the energy and.
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Affiliation(s)
- Muhammad Ali Bhatti
- Department of Environmental Sciences University of Sindh Jamshoro, 76080, Sindh Pakistan
| | - Aqeel Ahmed Shah
- Nadirshaw Eduljee Dinshaw (NED) University of Engineering and Technology Karachi, 75270, Pakistan
| | - Khalida Faryal Almaani
- Department of Environmental Sciences University of Sindh Jamshoro, 76080, Sindh Pakistan
| | - Aneela Tahira
- Department of Science and Technology, Campus Norrkoping, Linkoping University, SE-60174 Norrkoping, Sweden
| | - Ali Dad Chandio
- Nadirshaw Eduljee Dinshaw (NED) University of Engineering and Technology Karachi, 75270, Pakistan
| | - Magnus Willander
- Department of Science and Technology, Campus Norrkoping, Linkoping University, SE-60174 Norrkoping, Sweden
| | - Omer Nur
- Department of Science and Technology, Campus Norrkoping, Linkoping University, SE-60174 Norrkoping, Sweden
| | - Abdul Qayoom Mugheri
- Dr. M.A Kazi Institute of Chemistry University of Sindh Jamshoro, 76080, Sindh Pakistan
| | | | - Baradi Waryani
- Department of Fresh Water Biology and Fisheries University of Sindh Jamshoro, 76080, Sindh Pakistan
| | - Ayman Nafady
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Zafar Hussain Ibupoto
- Dr. M.A Kazi Institute of Chemistry University of Sindh Jamshoro, 76080, Sindh Pakistan
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