Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activity
Eliminating harmful organic pollutants from contaminated water remains an urgent problem to be solved. Taking Rhodamine B (RhB) as a representative organic water pollutant we sought to design a facile and scalable synthesis of a BiFeO3/CeVO4 (BFO/CVO) nanocomposite catalyst for the degradation of or...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-06-01
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| Series: | Alexandria Engineering Journal |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1110016823002983 |
| _version_ | 1797842241669038080 |
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| author | Velu Venugopal Dhandapani Balaji Mani Preeyanghaa Cheol Joo Moon Bernaurdshaw Neppolian Govarthanan Muthusamy Jayaraman Theerthagiri Jagannathan Madhavan Myong Yong Choi |
| author_facet | Velu Venugopal Dhandapani Balaji Mani Preeyanghaa Cheol Joo Moon Bernaurdshaw Neppolian Govarthanan Muthusamy Jayaraman Theerthagiri Jagannathan Madhavan Myong Yong Choi |
| author_sort | Velu Venugopal |
| collection | DOAJ |
| description | Eliminating harmful organic pollutants from contaminated water remains an urgent problem to be solved. Taking Rhodamine B (RhB) as a representative organic water pollutant we sought to design a facile and scalable synthesis of a BiFeO3/CeVO4 (BFO/CVO) nanocomposite catalyst for the degradation of organic pollutant under visible light. BFO nanorods and CVO nanoparticles were fabricated using single-step hydrothermal routes and the resulting materials could be easily combined using a simple wet-chemical precipitation method. From the morphological studies, pure BiFeO3 and CeVO4 revealed the 1D-nanorod and 0D-nanoparticles, respectively. For the BFO/CVO composite, 0D-nanoparticles were well attached on the 1D-nanorods of BiFeO3. Also, the 10 % BFO/CVO composite provided efficient photodegradation efficiency (92 %) of RhB with 0.0225 min−1 rate constant. Furthermore, the obtained photocatalyst had a low band gap energy value (2.01 eV) and photoluminescence intensity when compared to pure BFO and CVO under visible light illumination. The radical scavenging experiments proposed that the •OH acted a substantial role in the RhB decomposition pathway. The optimized BFO/CVO composite photocatalyst exhibits superior recyclability and photostability. The superior photocatalytic action of the 10 % BFO/CVO composite could be explained by the development of a heterojunction among BFO and CVO where electrons can migrate at the BFO/CVO interface. These results imply that BiFeO3/CeVO4 composites are suitable photocatalysts for the elimination of organic toxins from water. |
| first_indexed | 2024-04-09T16:44:45Z |
| format | Article |
| id | doaj.art-6f95088cf0404bfc8212c1df65f218df |
| institution | Directory Open Access Journal |
| issn | 1110-0168 |
| language | English |
| last_indexed | 2024-04-09T16:44:45Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Alexandria Engineering Journal |
| spelling | doaj.art-6f95088cf0404bfc8212c1df65f218df2023-04-23T06:05:54ZengElsevierAlexandria Engineering Journal1110-01682023-06-0172531543Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activityVelu Venugopal0Dhandapani Balaji1Mani Preeyanghaa2Cheol Joo Moon3Bernaurdshaw Neppolian4Govarthanan Muthusamy5Jayaraman Theerthagiri6Jagannathan Madhavan7Myong Yong Choi8Solar Energy Lab, Department of Chemistry, Thiruvalluvar University, Vellore 632 115, IndiaDepartment of Chemistry, Dhanalakshmi Srinivasan Arts and Science (Co-Education) College, Mamallapuram, Chennai 603104, IndiaDepartment of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, IndiaCore-Facility Center for Photochemistry & Nanomaterials, Department of Chemistry (BK21 FOUR), Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of KoreaDepartment of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chennai 603203, IndiaDepartment of Environmental Engineering, Kyungpook National University, Daegu 41566, Republic of Korea; Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, IndiaCore-Facility Center for Photochemistry & Nanomaterials, Department of Chemistry (BK21 FOUR), Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of KoreaSolar Energy Lab, Department of Chemistry, Thiruvalluvar University, Vellore 632 115, India; Corresponding authors.Core-Facility Center for Photochemistry & Nanomaterials, Department of Chemistry (BK21 FOUR), Research Institute of Natural Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; Corresponding authors.Eliminating harmful organic pollutants from contaminated water remains an urgent problem to be solved. Taking Rhodamine B (RhB) as a representative organic water pollutant we sought to design a facile and scalable synthesis of a BiFeO3/CeVO4 (BFO/CVO) nanocomposite catalyst for the degradation of organic pollutant under visible light. BFO nanorods and CVO nanoparticles were fabricated using single-step hydrothermal routes and the resulting materials could be easily combined using a simple wet-chemical precipitation method. From the morphological studies, pure BiFeO3 and CeVO4 revealed the 1D-nanorod and 0D-nanoparticles, respectively. For the BFO/CVO composite, 0D-nanoparticles were well attached on the 1D-nanorods of BiFeO3. Also, the 10 % BFO/CVO composite provided efficient photodegradation efficiency (92 %) of RhB with 0.0225 min−1 rate constant. Furthermore, the obtained photocatalyst had a low band gap energy value (2.01 eV) and photoluminescence intensity when compared to pure BFO and CVO under visible light illumination. The radical scavenging experiments proposed that the •OH acted a substantial role in the RhB decomposition pathway. The optimized BFO/CVO composite photocatalyst exhibits superior recyclability and photostability. The superior photocatalytic action of the 10 % BFO/CVO composite could be explained by the development of a heterojunction among BFO and CVO where electrons can migrate at the BFO/CVO interface. These results imply that BiFeO3/CeVO4 composites are suitable photocatalysts for the elimination of organic toxins from water.http://www.sciencedirect.com/science/article/pii/S1110016823002983PhotocatalysisVisible lightNanocompositesWastewater remediationRecyclability |
| spellingShingle | Velu Venugopal Dhandapani Balaji Mani Preeyanghaa Cheol Joo Moon Bernaurdshaw Neppolian Govarthanan Muthusamy Jayaraman Theerthagiri Jagannathan Madhavan Myong Yong Choi Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activity Alexandria Engineering Journal Photocatalysis Visible light Nanocomposites Wastewater remediation Recyclability |
| title | Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activity |
| title_full | Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activity |
| title_fullStr | Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activity |
| title_full_unstemmed | Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activity |
| title_short | Synergistic combination of BiFeO3 nanorods and CeVO4 nanoparticles for enhanced visible light driven photocatalytic activity |
| title_sort | synergistic combination of bifeo3 nanorods and cevo4 nanoparticles for enhanced visible light driven photocatalytic activity |
| topic | Photocatalysis Visible light Nanocomposites Wastewater remediation Recyclability |
| url | http://www.sciencedirect.com/science/article/pii/S1110016823002983 |
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