Synthesis and characterization of a highly selective turn-on fluorescent chemosensor for Sn2+ derived from diimine Schiff base

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dc.authorid0000-0002-2004-8859en_US
dc.authorid0000-0002-4226-0455en_US
dc.authorid0000-0002-9813-2962en_US
dc.authorscopusid55959291700en_US
dc.authorscopusid8905690500en_US
dc.authorscopusid56250747600en_US
dc.authorwosidDXE-9695-2022en_US
dc.authorwosidCOE-9839-2022en_US
dc.authorwosidABD-2324-2020en_US
dc.contributor.authorKolcu, Feyza
dc.contributor.authorErdener, Diğdem
dc.contributor.authorKaya, İsmet
dc.date.accessioned2023-04-10T06:47:57Z
dc.date.available2023-04-10T06:47:57Z
dc.date.issued2021en_US
dc.departmentFakülteler, Fen Fakültesi, Kimya Bölümü
dc.departmentMeslek Yüksekokulları, Lapseki Meslek Yüksekokulu, Kimya ve Kimyasal İşleme Teknolojileri Bölümü
dc.description.abstractThis study is exploratory in proposing a Schiff base (Ligand=L), which was designed and synthesized through one-step condensation reaction using 2,2 '-bithiophene-5-carboxaldehyde and 4,4'-diaminotriphenylamine (DATPA), was employed for fluorescent detection of the presence of Sn2+ ions. The ligand was well-characterized by infrared (FT-IR), UV-vis spectroscopy, H-1 and C-13 nuclear magnetic resonance (NMR) analyses. The chelation of the ligand with Sn2+ ion caused a decrease in the optical band gap in the UV-vis absorption spectrum of the ligand upon the addition of Sn2+ ions. The binding of L to Sn2+ caused a blue shift due to an internal charge transfer (ICT). The synthesized L was conceivable to be an outstanding receptor to detect Sn2+ ions with a remarkable fluorescent enhancement due to a potent chelation enhanced fluorescence (CHEF) effect. Non fluorescent ligand executed a fast response and highly sensitive turn-on fluorescent sensing behavior to detect Sn2+ ions via 1:2 (ligand:metal) complexation without any interference from other metal cations. The ligand's specificity was indicated with an observation of no transition in colour with any other metal cations. The selectivity of the probe for Sn2+ was confirmed by the absence of any interference from other competitive cationic species. The calculated limit of detection (LOD) and binding constant (K-a) were found to be 3.14 x 10(-7) M and 6.8 x 10(9) M-2, respectively. The synthesized ligand was of use for the devise of metal sensors based on diimine Schiff base.en_US
dc.identifier.citationKolcu, F., Erdener, D., & İsmet, Kaya (2021). Synthesis and characterization of a highly selective turn-on fluorescent chemosensor for Sn2+ derived from diimine schiff base. Synthetic Metals, 272 doi:10.1016/j.synthmet.2020.116668en_US
dc.identifier.doi10.1016/j.synthmet.2020.116668
dc.identifier.issn0379-6779
dc.identifier.scopus2-s2.0-85098050393
dc.identifier.urihttps://doi.org/10.1016/j.synthmet.2020.116668
dc.identifier.urihttps://hdl.handle.net/20.500.12428/3981
dc.identifier.volume272en_US
dc.identifier.wosWOS:000614043600003
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKolcu, Feyza
dc.institutionauthorErdener, Diğdem
dc.institutionauthorKaya, İsmet
dc.language.isoen
dc.publisherElsevieren_US
dc.relation.ispartofSynthetic Metalsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectFluorescent sensoren_US
dc.subjectSn2+en_US
dc.subjectJob’s ploten_US
dc.subjectLODen_US
dc.subjectKaen_US
dc.subjectSchiff baseen_US
dc.titleSynthesis and characterization of a highly selective turn-on fluorescent chemosensor for Sn2+ derived from diimine Schiff base
dc.typeArticle

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