Experimental and theoretical studies of carbazole-based Schiff base as a fluorescent Fe3+ probe

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dc.authorid0000-0002-7347-2223
dc.authorid0000-0002-0453-4021
dc.authorid0000-0001-6530-0205
dc.authorid0000-0001-9386-4892
dc.authorid0000-0001-6891-6929
dc.authorid0000-0003-2811-1872
dc.authorscopusid55326408200
dc.authorscopusid7004164993
dc.authorscopusid55964219600
dc.authorscopusid15135182300
dc.authorscopusid24280865300
dc.authorscopusid55308985300
dc.authorwosidk, h/ABA-1339-2020
dc.authorwosidTümay, Süreyya Oğuz/O-3423-2015
dc.authorwosidSengul, Ibrahim Fazil/AAG-4368-2019
dc.authorwosidÇOŞUT, Bünyemin/X-7554-2019
dc.authorwosidKocak, Abdulkadir/T-8992-2019
dc.authorwosidZorlu, Yunus/AAA-9320-2020
dc.contributor.authorKandemir, Hakan
dc.contributor.authorKoçak, Abdulkadir
dc.contributor.authorTumay, Süreyya Oguz
dc.contributor.authorCosut, Bunyemin
dc.contributor.authorZorlu, Yunus
dc.contributor.authorŞengül, İbrahim Fazıl
dc.date.accessioned2022-05-11T14:30:59Z
dc.date.available2022-05-11T14:30:59Z
dc.date.issued2018
dc.departmentFakülteler, Fen Edebiyat Fakültesi, Kimya Bölümü
dc.description.abstractSynthesis of a new (E)-N1-((9-ethyl-9H-carbazol-3-yl)methylene)-5-nitrobenzene-1,2-diamine as a fluorescent chemosensor for selective detection of Fe3+ ion over a number of other metal ions is described. The method for the synthesis of the carbazole Schiff base was based on the condensation of carbazole-3-carbaldehyde with 4-nitro-o-phenyldiamine in dimethylformamide in a moderate yield. The structure of the final compound was characterized by H-1 NMR, (13) C NMR, IR, mass spectrometry, and single crystal X-ray diffraction. The final compound exhibited exceptional selective and sensitive turn-on fluorescence response to the Fe3+ cation. The fluorescent intensity of the final compound was increased 20-fold and the stoichiometry ratio of the final compound to Fe3+ was 1:1. The association constant and detection limit for Fe3+ ion were predicted from fluorescence titrations as (1.36 +/- 0.09).10(4) M-1 and 1.0 to 6.0 mu M, respectively. The photophysical behavior of the compound was further explored by DFT methods. The predicted UV-Vis spectrum by TDDFT calculations was compared to the observed absorption spectrum of the targeted compound.
dc.description.sponsorshipTUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [113Z159]
dc.description.sponsorshipWe thank the Research Fund of TUBITAK for the financial support given to the research project (project number: 113Z159) and allowing us to use their computer clusters and software packages for calculations. AK gratefully acknowledges Ricardo B Metz from the University of Massachusetts, for allowing him to use their computer clusters and software packages for calculations.
dc.identifier.doi10.3906/kim-1605-35
dc.identifier.endpage+
dc.identifier.issn1300-0527
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85048053419
dc.identifier.scopusqualityQ3
dc.identifier.startpage221
dc.identifier.urihttps://doi.org/10.3906/kim-1605-35
dc.identifier.urihttps://hdl.handle.net/20.500.11776/7265
dc.identifier.volume42
dc.identifier.wosWOS:000431245300002
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKandemir, Hakan
dc.language.isoen
dc.publisherScientific Technical Research Council Turkey-Tubitak
dc.relation.ispartofTurkish Journal of Chemistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectSchiff base
dc.subjectcarbazole
dc.subjectFe3+ ion
dc.subjectsensor
dc.subjectfluorescence enhancement
dc.subjectTD-DFT calculations
dc.subjectHighly Selective Chemosensor
dc.subjectVibrational Spectroscopy
dc.subjectIron Chelators
dc.subjectMetal
dc.subjectDna
dc.subjectIron(Iii)
dc.subjectSensor
dc.subjectIon
dc.subjectCopper(Ii)
dc.subjectComplexes
dc.titleExperimental and theoretical studies of carbazole-based Schiff base as a fluorescent Fe3+ probe
dc.typeArticle

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