Synthesis and solvent‐dependent photophysics of a novel fluorescent triazole‐coumarin‐based dye,Journal of Heterocyclic Chemistry

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Synthesis and solvent‐dependent photophysics of a novel fluorescent triazole‐coumarin‐based dye
Journal of Heterocyclic Chemistry ( IF 2.0 ) Pub Date : 2020-01-21 , DOI: 10.1002/jhet.3896
Mehmet Kaya ₁ , Emre Menteşe ₁

Affiliation

Synthesis of a new coumarin‐triazole‐based dye and its photophysical parameters such as absorption, fluorescence emission, and fluorescence quantum yield were investigated. Studies have shown that the present dye has symmetry with a mirror image, especially in the ethanol solvent, with respect to the absorption and fluorescence spectra. As a result of the UV‐vis and fluorescence spectroscopy techniques used, it was determined that absorption and emission spectra were shifted to the red with increasing solvent polarity. In addition, the spectral data of the synthesized compound exhibited that the stokes shifts are small, usually less than 50 nm, and the quantum yields are significantly high. In accordance with the results obtained, it can be stated that this novel dye synthesized here can offer an insight into application in sensor applications as analytical or biosensors, optoelectronic devices, and medicine industry.

中文翻译：

新型荧光三唑-香豆素基染料的合成和溶剂依赖性光物理

研究了一种新的香豆素-三唑基染料的合成及其光物理参数，例如吸收，荧光发射和荧光量子产率。研究表明，就吸收和荧光光谱而言，本发明的染料具有镜像对称性，特别是在乙醇溶剂中。由于使用了紫外线可见光谱和荧光光谱技术，因此可以确定，随着溶剂极性的增加，吸收光谱和发射光谱移到红色。另外，合成化合物的光谱数据显示出斯托克斯位移小，通常小于50nm，并且量子产率非常高。根据获得的结果，

更新日期：2020-01-22

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