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Ionic Liquids as Plasticizers for Optodes
Moscow University Chemistry Bulletin Pub Date : 2020-05-25 , DOI: 10.3103/s002713142002011x
N. V. Pokhvishcheva , M. A. Peshkova

Abstract

Ionic liquids (ILs) are successfully used in many fields of science, including the improvement of the performance of ion-selective sensors based on plasticized polymer matrices. However, the use of ionic liquids in optical sensors has not been sufficiently studied. In this paper, we study how the gradual replacement of the conventional plasticizer in the composition of the polymer optode matrix with an ionic liquid affects the characteristics of the optode response. The shift of the dynamic range of the sensor caused by a decrease in the ion exchange constant upon the addition of ionic liquid is demonstrated. The possibility of using ionic liquids to create a sensor of individual ionic activity is also shown.


中文翻译:

离子液体作为光电增塑剂

摘要

离子液体(ILs)已成功应用于许多科学领域,包括基于增塑聚合物基质的离子选择性传感器性能的提高。然而,尚未充分研究在光学传感器中使用离子液体。在本文中,我们研究了用离子液体逐渐将聚合物增塑剂基质中的常规增塑剂替换为离子液体会影响其增塑剂响应特性的问题。证明了由于添加离子液体时离子交换常数降低而引起的传感器动态范围的变化。还显示了使用离子液体创建单个离子活性传感器的可能性。
更新日期:2020-05-25
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