Synthesis and characterization of fluorescent and thermally stable poly (azomethine-ether)s: Optical and morphological properties

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dc.authoridKaya, İsmet / 0000-0002-9813-2962
dc.authoridTezel, Ruhiye Nilay / 0000-0001-6113-6057
dc.contributor.authorTezel, Ruhiye Nilay
dc.contributor.authorKaya, İsmet
dc.date.accessioned2025-05-29T02:57:57Z
dc.date.available2025-05-29T02:57:57Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this work, we described the synthesis and characterization of dialdehyde monomers and poly(azomethineether)s based on them. In the first stage, aromatic bridged dialdehyde monomers were synthesized using 2,4Bis(chloromethyl)-1,3,5-trimethylbenzenedihalide with three different aldehydes (4-hydroxybenzaldehyde, 3methoxy-4-hydroxybenzaldehyde, and 3-ethoxy-4-hydroxybenzaldehyde). Subsequently, corresponding poly (azomethine-ether) derivatives were synthesized through the polycondensation reaction of synthesized dialdehyde monomers with o-toluidine and o-dianisidine diamine compounds. The structures of the obtained dialdehyde and poly(azomethine-ether)s were confirmed by FT-IR, UV-Vis and NMR measurements. The physicochemical properties of the as-prepared poly(azomethine-ether)s have been confirmed through X-ray diffraction (X-RD), field emission scanning electron microscopy (FE-SEM) and energy dispersive X-ray analysis (EDX) spectroscopic techniques. In FT-IR, -CH--N- peak around at 1625 cm-1 attributed to the successful conversion of dialdehydes and diamines into poly(azomethine-ether). The semicrystalline nature of the poly (azomethine-ether)s was shown through the X-RD diffractometer. The optical band gaps were found to be in the range of 2.80-2.92 eV, as measured by UV/Vis analysis. These poly(azomethine-ether)s exhibit direct band gap values in the blue/violet region of visible light, which creates opportunities for future studies related to daylight optoelectronic devices. Additionally, thermal behavior was analyzed using TGA and DSC, revealing that the materials are highly stable and rigid.
dc.identifier.doi10.1016/j.polymer.2025.128169
dc.identifier.issn0032-3861
dc.identifier.issn1873-2291
dc.identifier.scopus2-s2.0-85218119763
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.polymer.2025.128169
dc.identifier.urihttps://hdl.handle.net/20.500.12428/30209
dc.identifier.volume323
dc.identifier.wosWOS:001432230900001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofPolymer
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250529
dc.subjectPoly(azomethine-ether)
dc.subjectPolycondensation
dc.subjectSpectroscopic characterization
dc.subjectThermal stability
dc.subjectOptical properties
dc.titleSynthesis and characterization of fluorescent and thermally stable poly (azomethine-ether)s: Optical and morphological properties
dc.typeArticle

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