Synthesis of visible light responsive ZnCoFe layered double hydroxide towards enhanced photocatalytic activity in water treatment

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dc.authorid0000-0002-5713-3141
dc.authorid0000-0001-6940-5047
dc.contributor.authorKeyikoglu, Ramazan
dc.contributor.authorDogan, Irmak Naz
dc.contributor.authorKhataee, Alireza
dc.contributor.authorOrooji, Yasin
dc.contributor.authorKobya, Mehmet
dc.contributor.authorYoon, Yeojoon
dc.date.accessioned2026-02-12T21:05:04Z
dc.date.available2026-02-12T21:05:04Z
dc.date.issued2022
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractIn this study, a ternary layered double hydroxide containing Zn, Co, and Fe transition metals (ZnCoFe LDH) was developed using a co-precipitation procedure. The as-synthesized photocatalyst was evaluated for its perfor-mance in the degradation of methylene blue (MB) under visible light irradiation. The effects of various process conditions including photocatalyst dosage, pollutant concentration, pH, lamp distance, and lamp power were investigated. The ZnCoFe LDH achieved approximately 74% photodegradation efficiency owing to the narrow bandgap of 2.14 eV. The Langmuir-Hinselwood rate constants were calculated as 1.17 min-1 and 3.55 min-1 for photolysis by LED lamp alone and for photocatalysis by LED/ZnCoFe LDH, respectively. The photocatalytic ability of the LDH was attributed to the generation of radical species like center dot OH and O2 center dot-. The photocatalytic degradation intermediates of MB were determined by GC-MS analysis. The catalyst retained its performance throughout seven reuse cycles with only a 4.17% reduction in removal efficiency. The energy per order EEO of the ZnCoFe/LED process in 180 min treatment time was determined as 5.41 kWh.m- 3. order-1. This study shows that ZnCoFe LDH has sufficient activity and photostability for long-term application in photocatalytic water treatment.
dc.description.sponsorshipScientific and Technical Research Council of Turkey for (TUBITAK) [120Y350]
dc.description.sponsorshipThe authors are grateful for the funding provided by the Scientific and Technical Research Council of Turkey for (TUBITAK, Project Number: 120Y350) .
dc.identifier.doi10.1016/j.chemosphere.2022.136534
dc.identifier.issn0045-6535
dc.identifier.issn1879-1298
dc.identifier.pmid36210593
dc.identifier.scopus2-s2.0-85139310832
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.chemosphere.2022.136534
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6766
dc.identifier.volume309
dc.identifier.wosWOS:000868172300006
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofChemosphere
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260212
dc.subjectHydrotalcite
dc.subjectElectrical energy per order
dc.subjectMethylene blue
dc.subjectPhotocatalyst
dc.subjectPollutant degradation
dc.titleSynthesis of visible light responsive ZnCoFe layered double hydroxide towards enhanced photocatalytic activity in water treatment
dc.typeArticle

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