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首页> 外文期刊>RSC Advances >Development of an intramolecular charge transfer-type colorimetric and fluorescence sensor for water by fusion with a juloidine structure and complexation with boron trifluoride
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Development of an intramolecular charge transfer-type colorimetric and fluorescence sensor for water by fusion with a juloidine structure and complexation with boron trifluoride

机译：通过与胶体结构融合并与三氟化硼络合开发用于水的分子内电荷转移型比色和荧光传感器

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An optical sensor with the ability to detect and determine water over a wide concentration range is highly desirable in the laboratory and industry. Here the sensitivity and spectral responses of an intramolecular charge transfer-type colorimetric and fluorescence sensor with β-carboline structure are tuned and improved significantly over various water contents in the organic solvent by fusion with an electron-donating juloidine structure and complexation with boron trifluoride (BF _(3) ). The sensors, ET-1 and ET-1-BF _(3) , developed in this study can respond differently depending on water content. ET-1-BF _(3) releases BF _(3) to generate ET-1 by addition of a trace amount of water, and ET-1 forms hydrogen bonds with one water molecule in low water contents and a hydrogen-bonded proton transfer complex with several water molecules in high water contents, accompanying gradual color and fluorescence changes. This work shows a promising approach to the sensitive detection and precise determination of water over the whole concentration range using a simple and practical method with optical sensors.
机译：在实验室和工业中，非常需要具有检测和确定宽浓度范围内水的能力的光学传感器。通过与供电子的胶体结构融合并与三氟化硼络合，对具有β-咔啉结构的分子内电荷转移型比色和荧光传感器的灵敏度和光谱响应进行了调整，并显着提高了有机溶剂中各种水分含量。 BF _（3））。在这项研究中开发的传感器ET-1和ET-1-BF _（3）可以根据含水量做出不同的响应。 ET-1-BF _（3）通过添加微量水释放BF_（3）生成ET-1，并且ET-1与一个低水含量的水分子和一个氢键质子形成氢键具有高水含量的几个水分子的转移复合物，伴随着逐渐的颜色和荧光变化。这项工作显示了一种有前途的方法，可以使用简单实用的光学传感器方法对整个浓度范围内的水进行灵敏检测和精确测定。

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