N,N'-Bis(Salisiliden)-1,3-Propandiamin Schiff Bazının Agregasyon Kaynaklı Emisyon Artışı
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Date
2020
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info:eu-repo/semantics/openAccess
Abstract
Bu çalışmada, N,N'-bis(salisiliden)-1,3-propandiamin Schiff bazından hazırlanan çözeltilerin agregasyonkaynaklı emisyon artış özelliği incelenmiştir. Ligandın iki farklı çözücü ile farklı konsantrasyonlarda çözeltilerihazırlanmış ve bu çözeltilere değişik yüzdelerde (%1-50) su eklenmiştir. Schiff bazının etanol ile hazırlanmış2×10-4 M’lık çözeltisinde, su derişimi arttıkça emisyon dalgaboyunun kırmızıya kaydığı ve floresans şiddetininarttığı görülmüştür. Ayrıca, bu çözeltilerin floresans özelliklerinin zamana bağlı olarak değişimi incelenmiştir.Yapılan çalışmalar sonucunda, Schiff bazının, etanol içindeki su safsızlığının kalitatif ve kantitatif olarakbelirlenmesinde kullanılabileceği öne sürülmüştür.
In this study, aggregation-induced emission enhancement feature of the solutions prepared from N,N'-bis (salicylidene) -1,3-propanediamine Schiff base was investigated. The ligand solution were prepared at different concentrations with two different solvents and water was added to these solutions at varying percentages (1- 50%). It was observed that emission wavelength was red-shifted and the fluorescence intensity was enhanced, as the concentration of water increased in 2×10-4 M ethanolic solution of Schiff base. In addition, time-dependent changes in the fluorescence properties of these solutions were investigated. As a result, it has been suggested that Schiff base can be used for qualitative and quantitative determination of water impurity in ethanol.
In this study, aggregation-induced emission enhancement feature of the solutions prepared from N,N'-bis (salicylidene) -1,3-propanediamine Schiff base was investigated. The ligand solution were prepared at different concentrations with two different solvents and water was added to these solutions at varying percentages (1- 50%). It was observed that emission wavelength was red-shifted and the fluorescence intensity was enhanced, as the concentration of water increased in 2×10-4 M ethanolic solution of Schiff base. In addition, time-dependent changes in the fluorescence properties of these solutions were investigated. As a result, it has been suggested that Schiff base can be used for qualitative and quantitative determination of water impurity in ethanol.
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Düzce Üniversitesi Bilim ve Teknoloji Dergisi
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Volume
8
Issue
2
