一种检测有机溶剂中水含量的三苯胺荧光探针

Triphenylamine based fluorescent probe for the detection of water in organic solvents

姚叶林 ¹胡浩 ¹邓林龙 ¹薛蕾 ¹王海滨¹

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作者信息

1. 宁夏师范学院化学化工学院,宁夏固原 756000
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摘要

通过缩合反应合成了一种新型的三苯胺荧光探针TPAO.该探针在有机溶剂中表现出明显的溶剂致变色效应.通过溶剂极性经验参数ET(30)方法,确定了 TPAO的溶剂致变色效应与极性的相关性.基于TPAO对极性的高度敏感性,检测了 8种有机溶剂中水的含量,检测限分别低至0.0015％(v/v,1,4-二氧六环)、0.0016％(v/v,四氢呋喃)、0.0066％(v/v,丙酮)、0.016％(v/v,DMF)、0.043％(v/v,DMSO)、0.0043％(v/v,乙腈)、0.0040％(v/v,乙醇)、0.014％(v/v,甲醇).此外,成功将TPAO用于国产白酒酒精度的测定.

Abstract

A novel triphenylamine based fluorescent probe,TPAO,was synthesized through condensation reaction.The probe exhib-its a pronounced solvent-induced discolouration effect in organic solvents.The correlation between the solvent-induced color change of TPAO and polarity was determined using the empirical parameter ET(30)method.Based on the high sensitivity of TPAO to po-larity,water was detected in eight organic solvents with detection limits as low as 0.0015％(v/v,1,4-dioxane),0.0016％(v/v,tet-rahydrofuran),0.0066％(v/v,acetone),0.016％(v/v,DMF),0.043％(v/v,DMSO),0.0043％(v/v,acetonitrile),0.0040％(v/v,ethanol),0.014％(v/v,methanol).Moreover,TPAO was successfully employed for determining the alcohol contents in Chinese Baijius.

关键词

荧光探针/溶剂致变色/分子内电荷转移/聚集诱导发光

Key words

fluorescent probe/solvatochromism/intramolecular charge transfer/aggregation-induced emission

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出版年

2025

化学研究与应用

四川省化学化工学会四川大学

化学研究与应用

北大核心

影响因子：0.555

ISSN：1004-1656

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