Mn3O4/ZnO-Al2O3-CeO2 mixed oxide catalyst derived from Mn-doped Zn-(Al/Ce)-LDHs: efficient visible light photodegradation of clofibric acid in water
Mn 3 O 4 /ZnO-Al 2 O 3 -CeO 2 catalyst was synthesized through a solid-state process from a 3% Mn-doped Zn-(Al/Ce) layered double hydroxide structure. Detailed structural and optical characterization using XRD, FTIR, UV–visible DRS, and TEM was conducted. By investigating clofibric acid (CA) degrada...
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| creator | Janani, Fatima Zahra Khiar, Habiba Taoufik, Nawal Sadiq, Mhamed Favier, Lidia Ezzat, Abdelrahman Osama Elhalil, Alaâeddine Barka, Noureddine |
| description | Mn
3
O
4
/ZnO-Al
2
O
3
-CeO
2
catalyst was synthesized through a solid-state process from a 3% Mn-doped Zn-(Al/Ce) layered double hydroxide structure. Detailed structural and optical characterization using XRD, FTIR, UV–visible DRS, and TEM was conducted. By investigating clofibric acid (CA) degradation in aqueous solution, Mn
3
O
4
/ZnO-Al
2
O
3
-CeO
2
photocatalytic activity was evaluated. The results show that the heterostructure mixed oxide catalyst has excellent CA photodegradation performance. Further, the characterization reveals that such photocatalytic efficiency can be attributed to two facts that are summarized in the optical properties and the synergic effect between Mn and Ce elements. The sample demonstrated a narrow band gap of 2.34 eV based on DRS. According to the experimental results of the photodegradation, after 120 min of irradiation, the photocatalyst exhibited the highest photocatalytic activity, with a degradation efficiency of 93.6%. Optimization outcomes indicated that maximum degradation efficiency was attained under the following optimum conditions: catalyst dose of 0.3 g/L, initial dye concentration of 20 mg/L, pH 3.86, and 120 min of reaction time. The quenching test demonstrates that photogenerated electrons and superoxide radicals are the most powerful reactive species. The catalyst could be useful in decreasing the photogenerated charges recombination, which offers more redox cycles simultaneously during the catalytic process. The strong Ce-Mn interaction and the formation of their different oxidation states offer a high degradation efficiency by facilitating electron–hole transfer. The introduction of Mn
3
O
4
in the catalyst can effectively improve the visible absorption properties, which are beneficial in the photocatalytic process by reaching a high catalytic efficiency at a low cost. |
| doi_str_mv | 10.1007/s11356-024-32841-w |
| format | Article |
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3
O
4
/ZnO-Al
2
O
3
-CeO
2
catalyst was synthesized through a solid-state process from a 3% Mn-doped Zn-(Al/Ce) layered double hydroxide structure. Detailed structural and optical characterization using XRD, FTIR, UV–visible DRS, and TEM was conducted. By investigating clofibric acid (CA) degradation in aqueous solution, Mn
3
O
4
/ZnO-Al
2
O
3
-CeO
2
photocatalytic activity was evaluated. The results show that the heterostructure mixed oxide catalyst has excellent CA photodegradation performance. Further, the characterization reveals that such photocatalytic efficiency can be attributed to two facts that are summarized in the optical properties and the synergic effect between Mn and Ce elements. The sample demonstrated a narrow band gap of 2.34 eV based on DRS. According to the experimental results of the photodegradation, after 120 min of irradiation, the photocatalyst exhibited the highest photocatalytic activity, with a degradation efficiency of 93.6%. Optimization outcomes indicated that maximum degradation efficiency was attained under the following optimum conditions: catalyst dose of 0.3 g/L, initial dye concentration of 20 mg/L, pH 3.86, and 120 min of reaction time. The quenching test demonstrates that photogenerated electrons and superoxide radicals are the most powerful reactive species. The catalyst could be useful in decreasing the photogenerated charges recombination, which offers more redox cycles simultaneously during the catalytic process. The strong Ce-Mn interaction and the formation of their different oxidation states offer a high degradation efficiency by facilitating electron–hole transfer. The introduction of Mn
3
O
4
in the catalyst can effectively improve the visible absorption properties, which are beneficial in the photocatalytic process by reaching a high catalytic efficiency at a low cost.</description><identifier>ISSN: 1614-7499</identifier><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-024-32841-w</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aluminum oxide ; Aquatic Pollution ; Aqueous solutions ; Atmospheric Protection/Air Quality Control/Air Pollution ; Catalysts ; Catalytic activity ; Cerium oxides ; Chemical synthesis ; Clofibric acid ; Earth and Environmental Science ; Ecotoxicology ; Efficiency ; Electrons ; Environment ; Environmental Chemistry ; Environmental Health ; Heterostructures ; Irradiation ; Manganese ; Manganese oxides ; Mixed oxides ; Optical properties ; Oxidation ; Photocatalysis ; Photodegradation ; Research Article ; Structural analysis ; Waste Water Technology ; Water Management ; Water Pollution Control ; Zinc oxide</subject><ispartof>Environmental science and pollution research international, 2024-04, Vol.31 (17), p.25373-25387</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c303t-8ce420c923b6950b94995aea06fb12d609198605185a713b7f740ed1a4fbbf43</cites><orcidid>0000-0002-9201-2820</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-024-32841-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-024-32841-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,781,785,27928,27929,41492,42561,51323</link.rule.ids></links><search><creatorcontrib>Janani, Fatima Zahra</creatorcontrib><creatorcontrib>Khiar, Habiba</creatorcontrib><creatorcontrib>Taoufik, Nawal</creatorcontrib><creatorcontrib>Sadiq, Mhamed</creatorcontrib><creatorcontrib>Favier, Lidia</creatorcontrib><creatorcontrib>Ezzat, Abdelrahman Osama</creatorcontrib><creatorcontrib>Elhalil, Alaâeddine</creatorcontrib><creatorcontrib>Barka, Noureddine</creatorcontrib><title>Mn3O4/ZnO-Al2O3-CeO2 mixed oxide catalyst derived from Mn-doped Zn-(Al/Ce)-LDHs: efficient visible light photodegradation of clofibric acid in water</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><description>Mn
3
O
4
/ZnO-Al
2
O
3
-CeO
2
catalyst was synthesized through a solid-state process from a 3% Mn-doped Zn-(Al/Ce) layered double hydroxide structure. Detailed structural and optical characterization using XRD, FTIR, UV–visible DRS, and TEM was conducted. By investigating clofibric acid (CA) degradation in aqueous solution, Mn
3
O
4
/ZnO-Al
2
O
3
-CeO
2
photocatalytic activity was evaluated. The results show that the heterostructure mixed oxide catalyst has excellent CA photodegradation performance. Further, the characterization reveals that such photocatalytic efficiency can be attributed to two facts that are summarized in the optical properties and the synergic effect between Mn and Ce elements. The sample demonstrated a narrow band gap of 2.34 eV based on DRS. According to the experimental results of the photodegradation, after 120 min of irradiation, the photocatalyst exhibited the highest photocatalytic activity, with a degradation efficiency of 93.6%. Optimization outcomes indicated that maximum degradation efficiency was attained under the following optimum conditions: catalyst dose of 0.3 g/L, initial dye concentration of 20 mg/L, pH 3.86, and 120 min of reaction time. The quenching test demonstrates that photogenerated electrons and superoxide radicals are the most powerful reactive species. The catalyst could be useful in decreasing the photogenerated charges recombination, which offers more redox cycles simultaneously during the catalytic process. The strong Ce-Mn interaction and the formation of their different oxidation states offer a high degradation efficiency by facilitating electron–hole transfer. The introduction of Mn
3
O
4
in the catalyst can effectively improve the visible absorption properties, which are beneficial in the photocatalytic process by reaching a high catalytic efficiency at a low cost.</description><subject>Aluminum oxide</subject><subject>Aquatic Pollution</subject><subject>Aqueous solutions</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Catalysts</subject><subject>Catalytic activity</subject><subject>Cerium oxides</subject><subject>Chemical synthesis</subject><subject>Clofibric acid</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Efficiency</subject><subject>Electrons</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Heterostructures</subject><subject>Irradiation</subject><subject>Manganese</subject><subject>Manganese oxides</subject><subject>Mixed oxides</subject><subject>Optical properties</subject><subject>Oxidation</subject><subject>Photocatalysis</subject><subject>Photodegradation</subject><subject>Research Article</subject><subject>Structural analysis</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><subject>Zinc oxide</subject><issn>1614-7499</issn><issn>0944-1344</issn><issn>1614-7499</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kc1uEzEUhUcIJErpC3RliU1ZmPhvPGN2UQoUKdVsuurG8tjXqSvHDvakad-DB2YgSKAuuro_-s7RvTpNc07JJ0pIt6iU8lZiwgTmrBcUH141J1RSgTuh1Ov_-rfNu1rvCWFEse6k-Xmd-CAWt2nAy8gGjlcwMLQNj-BQfgwOkDWTiU91Qg5KeJjXvuQtuk7Y5d083SZ8sYyLFXzE68ur-hmB98EGSBN6CDWMEVAMm7sJ7e7ylB1sinFmCjmh7JGN2YexBIuMDQ6FhA5mgvK-eeNNrHD2t542N1-_3Kyu8Hr49n21XGPLCZ9wb0EwYhXjo1QtGdX8XmvAEOlHypwkiqpekpb2rekoHzvfCQKOGuHH0Qt-2lwcbXcl_9hDnfQ2VAsxmgR5XzVTrZQ9VS2b0Q_P0Pu8L2k-TnMiCBVMtnym2JGyJddawOtdCVtTnjQl-ndO-piTnnPSf3LSh1nEj6I6w2kD5Z_1C6pfk8GUng</recordid><startdate>20240401</startdate><enddate>20240401</enddate><creator>Janani, Fatima Zahra</creator><creator>Khiar, Habiba</creator><creator>Taoufik, Nawal</creator><creator>Sadiq, Mhamed</creator><creator>Favier, Lidia</creator><creator>Ezzat, Abdelrahman Osama</creator><creator>Elhalil, Alaâeddine</creator><creator>Barka, Noureddine</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-9201-2820</orcidid></search><sort><creationdate>20240401</creationdate><title>Mn3O4/ZnO-Al2O3-CeO2 mixed oxide catalyst derived from Mn-doped Zn-(Al/Ce)-LDHs: efficient visible light photodegradation of clofibric acid in water</title><author>Janani, Fatima Zahra ; Khiar, Habiba ; Taoufik, Nawal ; Sadiq, Mhamed ; Favier, Lidia ; Ezzat, Abdelrahman Osama ; Elhalil, Alaâeddine ; Barka, Noureddine</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c303t-8ce420c923b6950b94995aea06fb12d609198605185a713b7f740ed1a4fbbf43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Aluminum oxide</topic><topic>Aquatic Pollution</topic><topic>Aqueous solutions</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Catalysts</topic><topic>Catalytic activity</topic><topic>Cerium oxides</topic><topic>Chemical synthesis</topic><topic>Clofibric acid</topic><topic>Earth and Environmental Science</topic><topic>Ecotoxicology</topic><topic>Efficiency</topic><topic>Electrons</topic><topic>Environment</topic><topic>Environmental Chemistry</topic><topic>Environmental Health</topic><topic>Heterostructures</topic><topic>Irradiation</topic><topic>Manganese</topic><topic>Manganese oxides</topic><topic>Mixed oxides</topic><topic>Optical properties</topic><topic>Oxidation</topic><topic>Photocatalysis</topic><topic>Photodegradation</topic><topic>Research Article</topic><topic>Structural analysis</topic><topic>Waste Water Technology</topic><topic>Water Management</topic><topic>Water Pollution Control</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Janani, Fatima Zahra</creatorcontrib><creatorcontrib>Khiar, Habiba</creatorcontrib><creatorcontrib>Taoufik, Nawal</creatorcontrib><creatorcontrib>Sadiq, Mhamed</creatorcontrib><creatorcontrib>Favier, Lidia</creatorcontrib><creatorcontrib>Ezzat, Abdelrahman Osama</creatorcontrib><creatorcontrib>Elhalil, Alaâeddine</creatorcontrib><creatorcontrib>Barka, Noureddine</creatorcontrib><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Janani, Fatima Zahra</au><au>Khiar, Habiba</au><au>Taoufik, Nawal</au><au>Sadiq, Mhamed</au><au>Favier, Lidia</au><au>Ezzat, Abdelrahman Osama</au><au>Elhalil, Alaâeddine</au><au>Barka, Noureddine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mn3O4/ZnO-Al2O3-CeO2 mixed oxide catalyst derived from Mn-doped Zn-(Al/Ce)-LDHs: efficient visible light photodegradation of clofibric acid in water</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><date>2024-04-01</date><risdate>2024</risdate><volume>31</volume><issue>17</issue><spage>25373</spage><epage>25387</epage><pages>25373-25387</pages><issn>1614-7499</issn><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Mn
3
O
4
/ZnO-Al
2
O
3
-CeO
2
catalyst was synthesized through a solid-state process from a 3% Mn-doped Zn-(Al/Ce) layered double hydroxide structure. Detailed structural and optical characterization using XRD, FTIR, UV–visible DRS, and TEM was conducted. By investigating clofibric acid (CA) degradation in aqueous solution, Mn
3
O
4
/ZnO-Al
2
O
3
-CeO
2
photocatalytic activity was evaluated. The results show that the heterostructure mixed oxide catalyst has excellent CA photodegradation performance. Further, the characterization reveals that such photocatalytic efficiency can be attributed to two facts that are summarized in the optical properties and the synergic effect between Mn and Ce elements. The sample demonstrated a narrow band gap of 2.34 eV based on DRS. According to the experimental results of the photodegradation, after 120 min of irradiation, the photocatalyst exhibited the highest photocatalytic activity, with a degradation efficiency of 93.6%. Optimization outcomes indicated that maximum degradation efficiency was attained under the following optimum conditions: catalyst dose of 0.3 g/L, initial dye concentration of 20 mg/L, pH 3.86, and 120 min of reaction time. The quenching test demonstrates that photogenerated electrons and superoxide radicals are the most powerful reactive species. The catalyst could be useful in decreasing the photogenerated charges recombination, which offers more redox cycles simultaneously during the catalytic process. The strong Ce-Mn interaction and the formation of their different oxidation states offer a high degradation efficiency by facilitating electron–hole transfer. The introduction of Mn
3
O
4
in the catalyst can effectively improve the visible absorption properties, which are beneficial in the photocatalytic process by reaching a high catalytic efficiency at a low cost.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11356-024-32841-w</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0002-9201-2820</orcidid></addata></record> |
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| subjects | Aluminum oxide Aquatic Pollution Aqueous solutions Atmospheric Protection/Air Quality Control/Air Pollution Catalysts Catalytic activity Cerium oxides Chemical synthesis Clofibric acid Earth and Environmental Science Ecotoxicology Efficiency Electrons Environment Environmental Chemistry Environmental Health Heterostructures Irradiation Manganese Manganese oxides Mixed oxides Optical properties Oxidation Photocatalysis Photodegradation Research Article Structural analysis Waste Water Technology Water Management Water Pollution Control Zinc oxide |
| title | Mn3O4/ZnO-Al2O3-CeO2 mixed oxide catalyst derived from Mn-doped Zn-(Al/Ce)-LDHs: efficient visible light photodegradation of clofibric acid in water |
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