Synthesis and characterization of a pyrene-based Schiff base and its oligomer: Investigation of fluorescent Cr3+ probe

Yeldir, Elif Karacan; Erdener, Diğdem; Kaya, İsmet

doi:10.1016/j.reactfunctpolym.2021.105097

Cited by 22 publications

(1 citation statement)

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“…Due to their high conjugation, poly (azomethine) compounds generally have improved optical, electrochemical, thermal and mechanical properties. In this way, they have a wide application network [7][8][9]. In addition, these compounds allow the design of materials that can tune their properties in the desired direction, due to the diversity of monomers [10].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Poly(azomethine) Containing Sulfonic Acid Unit Oxygen and Sulphur Bridged: Investigation of Its Thermal, Optical and Electrochemical Properties

Yeldir

2021

Celal Bayar Üniversitesi Fen Bilimleri Dergisi

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In this study, a poly(azomethine) compound (SBP) containing sulfur and oxygen bridge was obtained from 4,4'-[thiobis(4,1-phenyleneoxy)]dibenzaldehyde (DBA) and 4,4'diamino-2,2'-biphenyl sulfonic acid from condensation reaction. Structural, optical, electrochemical and morphological analyzes of the obtained polymeric material were performed. Structural characterizations were performed from 1H-NMR and FT-IR spectra. Optical properties were determined in the UV-Vis spectrum and the optical band gap was calculated as 3.63 eV. Electrochemical properties were investigated by cyclic voltammetry (CV) and HOMO-LUMO and electrochemical band gap values were calculated. In addition, with the help of Gel Permeation Chromatography (GPC), the number average molecular mass was found to be 5050 Da. By thermogravimetric analysis (TGA), it was found that the thermal decomposition of SBP occurred in four steps and the maximum mass loss was 391 °C. The surface analysis of the obtained polymeric material was investigated with scanning electron microscope (SEM) and it was determined that the surface was rough.

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Section: Introductionmentioning

confidence: 99%