Cobalt oxide coupled with graphitic carbon nitride composite heterojunction for efficient Z-scheme photocatalytic environmental pollutants degradation performance
The Co O /g-C N Z-scheme composite heterojunction has been effectively built in a facile sonication-assisted hydrothermal manner. The as-synthesized optimal 0.2 M Co O /g-C N (GCO2) composite photocatalysts (PCs) revealed admirable degradation efficiency towards methyl orange (MO, 65.1%) and methyle...
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| Veröffentlicht in: | Environmental research 2023-10, Vol.235, p.116574 |
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| creator | Suganthi, Sanjeevamuthu Vignesh, Shanmugam Kalyana Sundar, Jeyaperumal Alqarni, Sondos Abdullah Pandiaraj, Saravanan Hwan Oh, Tae |
| description | The Co
O
/g-C
N
Z-scheme composite heterojunction has been effectively built in a facile sonication-assisted hydrothermal manner. The as-synthesized optimal 0.2 M Co
O
/g-C
N
(GCO2) composite photocatalysts (PCs) revealed admirable degradation efficiency towards methyl orange (MO, 65.1%) and methylene blue (MB, 87.9%) organic pollutant compared with bare g-C
N
within 210 min under light irradiation. Besides, the features of investigating structural, morphological and optical properties have evidence that the unique decoration effect of Co
O
nanoparticles (NPs) on the g-C
N
structure with intimate interface heterojunction of well-matched band structures noticeably facilitates the photo-generated charge transport/separation efficiency, reduces the recombination rates and widens the visible-light fascination which could advantageous to upgrading photocatalytic action with superior redox ability. Especially, the probable Z-scheme photocatalytic mechanism pathway is also elucidated in detail based on the quenching results. Hence, this work delivers a facile and hopeful candidate for contaminated water remediation via visible-light photocatalysis over the efficient g-C
N
-based catalysts. |
| doi_str_mv | 10.1016/j.envres.2023.116574 |
| format | Article |
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O
/g-C
N
Z-scheme composite heterojunction has been effectively built in a facile sonication-assisted hydrothermal manner. The as-synthesized optimal 0.2 M Co
O
/g-C
N
(GCO2) composite photocatalysts (PCs) revealed admirable degradation efficiency towards methyl orange (MO, 65.1%) and methylene blue (MB, 87.9%) organic pollutant compared with bare g-C
N
within 210 min under light irradiation. Besides, the features of investigating structural, morphological and optical properties have evidence that the unique decoration effect of Co
O
nanoparticles (NPs) on the g-C
N
structure with intimate interface heterojunction of well-matched band structures noticeably facilitates the photo-generated charge transport/separation efficiency, reduces the recombination rates and widens the visible-light fascination which could advantageous to upgrading photocatalytic action with superior redox ability. Especially, the probable Z-scheme photocatalytic mechanism pathway is also elucidated in detail based on the quenching results. Hence, this work delivers a facile and hopeful candidate for contaminated water remediation via visible-light photocatalysis over the efficient g-C
N
-based catalysts.</description><identifier>ISSN: 1096-0953</identifier><identifier>EISSN: 1096-0953</identifier><identifier>DOI: 10.1016/j.envres.2023.116574</identifier><identifier>PMID: 37423360</identifier><language>eng</language><publisher>Netherlands</publisher><ispartof>Environmental research, 2023-10, Vol.235, p.116574</ispartof><rights>Copyright © 2023 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c262t-2a92eff89b003bb6dff3074ca51b4d8f1c83b3fbe42d7f34db22a0d83eac5d03</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37423360$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Suganthi, Sanjeevamuthu</creatorcontrib><creatorcontrib>Vignesh, Shanmugam</creatorcontrib><creatorcontrib>Kalyana Sundar, Jeyaperumal</creatorcontrib><creatorcontrib>Alqarni, Sondos Abdullah</creatorcontrib><creatorcontrib>Pandiaraj, Saravanan</creatorcontrib><creatorcontrib>Hwan Oh, Tae</creatorcontrib><title>Cobalt oxide coupled with graphitic carbon nitride composite heterojunction for efficient Z-scheme photocatalytic environmental pollutants degradation performance</title><title>Environmental research</title><addtitle>Environ Res</addtitle><description>The Co
O
/g-C
N
Z-scheme composite heterojunction has been effectively built in a facile sonication-assisted hydrothermal manner. The as-synthesized optimal 0.2 M Co
O
/g-C
N
(GCO2) composite photocatalysts (PCs) revealed admirable degradation efficiency towards methyl orange (MO, 65.1%) and methylene blue (MB, 87.9%) organic pollutant compared with bare g-C
N
within 210 min under light irradiation. Besides, the features of investigating structural, morphological and optical properties have evidence that the unique decoration effect of Co
O
nanoparticles (NPs) on the g-C
N
structure with intimate interface heterojunction of well-matched band structures noticeably facilitates the photo-generated charge transport/separation efficiency, reduces the recombination rates and widens the visible-light fascination which could advantageous to upgrading photocatalytic action with superior redox ability. Especially, the probable Z-scheme photocatalytic mechanism pathway is also elucidated in detail based on the quenching results. Hence, this work delivers a facile and hopeful candidate for contaminated water remediation via visible-light photocatalysis over the efficient g-C
N
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O
/g-C
N
Z-scheme composite heterojunction has been effectively built in a facile sonication-assisted hydrothermal manner. The as-synthesized optimal 0.2 M Co
O
/g-C
N
(GCO2) composite photocatalysts (PCs) revealed admirable degradation efficiency towards methyl orange (MO, 65.1%) and methylene blue (MB, 87.9%) organic pollutant compared with bare g-C
N
within 210 min under light irradiation. Besides, the features of investigating structural, morphological and optical properties have evidence that the unique decoration effect of Co
O
nanoparticles (NPs) on the g-C
N
structure with intimate interface heterojunction of well-matched band structures noticeably facilitates the photo-generated charge transport/separation efficiency, reduces the recombination rates and widens the visible-light fascination which could advantageous to upgrading photocatalytic action with superior redox ability. Especially, the probable Z-scheme photocatalytic mechanism pathway is also elucidated in detail based on the quenching results. Hence, this work delivers a facile and hopeful candidate for contaminated water remediation via visible-light photocatalysis over the efficient g-C
N
-based catalysts.</abstract><cop>Netherlands</cop><pmid>37423360</pmid><doi>10.1016/j.envres.2023.116574</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1096-0953 |
| ispartof | Environmental research, 2023-10, Vol.235, p.116574 |
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| language | eng |
| recordid | cdi_proquest_miscellaneous_2841021676 |
| source | Elsevier ScienceDirect Journals |
| title | Cobalt oxide coupled with graphitic carbon nitride composite heterojunction for efficient Z-scheme photocatalytic environmental pollutants degradation performance |
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