A hierarchical Ca/TiO2/NH2-MIL-125 nanocomposite photocatalyst for solar visible light induced photodegradation of organic dye pollutants in water

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorAhmadpour, Najmehen_US
dc.contributor.authorSayadi, Mohammad Hosseinen_US
dc.contributor.authorHomaeigohar, Shahinen_US
dc.contributor.departmentDepartment of Chemistry and Materials Scienceen
dc.contributor.groupauthorNanochemistry and Nanoengineeringen
dc.contributor.organizationUniversity of Birjanden_US
dc.date.accessioned2020-09-11T06:30:57Z
dc.date.available2020-09-11T06:30:57Z
dc.date.issued2020-08-12en_US
dc.description.abstractIn this study, for the first time, the Ca/TiO2/NH2-MIL-125 nanocomposite photocatalyst was synthesized for the purpose of photodegradation of Methyl Orange (MO) and Rhodamine B (RhB) dyes under visible light irradiation. The structural and chemical properties of the nanocomposite photocatalyst were characterized through FTIR, XRD, TGA, PL, XPS, ICP-OES and UV-DRS. For the photodegradation efficiency analysis, the effect of pH (3, 5, 7, 9, and 11), photocatalyst dosage (0.1, 0.2, 0.4, 0.6, and 0.8 g L-1), dye concentration (1-40 mg L-1), and contact time (10-120 min) was precisely evaluated. The largest photodegradation efficiency for RhB and MO dye models was 82.87% and 86.22%, respectively, that was obtained under optimal conditions in terms of pH and photocatalyst dosage and for Ca(30%)/TiO2/NH2-MIL-125. The photodegradation process of the dyes complied well with the first-order kinetic model. Moreover, the nanocomposite photocatalyst showed consistent photodegradation efficiency and after 6 successive cycles with fresh dye solutions, it could still perform comparably well. Taken together, Ca/TiO2/NH2-MIL-125 photocatalyst is able to show a high photodegradation efficiency for dye pollutants and optimum stability and reusability.en
dc.description.versionPeer revieweden
dc.format.extent13
dc.format.extent29808-29820
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationAhmadpour, N, Sayadi, M H & Homaeigohar, S 2020, ' A hierarchical Ca/TiO2/NH2-MIL-125 nanocomposite photocatalyst for solar visible light induced photodegradation of organic dye pollutants in water ', RSC Advances, vol. 10, no. 50, pp. 29808-29820 . https://doi.org/10.1039/d0ra05192fen
dc.identifier.doi10.1039/d0ra05192fen_US
dc.identifier.issn2046-2069
dc.identifier.otherPURE UUID: 8f7bd6f0-16c8-4897-9bd1-6ac0922fdae1en_US
dc.identifier.otherPURE ITEMURL: https://research.aalto.fi/en/publications/8f7bd6f0-16c8-4897-9bd1-6ac0922fdae1en_US
dc.identifier.otherPURE LINK: http://www.scopus.com/inward/record.url?scp=85091382493&partnerID=8YFLogxKen_US
dc.identifier.otherPURE LINK: https://doi.org/10.1039/D3RA90057Fen_US
dc.identifier.otherPURE FILEURL: https://research.aalto.fi/files/51299825/d0ra05192f.pdfen_US
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/46439
dc.identifier.urnURN:NBN:fi:aalto-202009115362
dc.language.isoenen
dc.publisherROYAL SOC CHEMISTRY
dc.relation.ispartofseriesRSC Advancesen
dc.relation.ispartofseriesVolume 10, issue 50en
dc.rightsopenAccessen
dc.subject.keywordHIGHLY-EFFICIENTen_US
dc.subject.keywordSELECTIVE OXIDATIONen_US
dc.subject.keywordMETHYL-ORANGEen_US
dc.subject.keywordDEGRADATIONen_US
dc.subject.keywordFRAMEWORKen_US
dc.subject.keywordGRAPHENEen_US
dc.subject.keywordPOLYMERen_US
dc.subject.keywordCAen_US
dc.subject.keywordNANOPARTICLESen_US
dc.subject.keywordAZITHROMYCINen_US
dc.titleA hierarchical Ca/TiO2/NH2-MIL-125 nanocomposite photocatalyst for solar visible light induced photodegradation of organic dye pollutants in wateren
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.versionpublishedVersion
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