Triphenylamine-based conjugated fluorescent sensor for highly sensitive detection of water in organic solvents

被引：16

作者：

Song, Xiu-Mei ^{[1
]}

Feng, Zong-Cai ^{[1
]}

Wu, Yancheng ^{[3
]}

Song, Jiang-Li ^{[2
]}

Wei, Lu-Feng ^{[2
]}

Zeng, Shu-Yi ^{[2
]}

机构：

[1] Lingnan Normal Univ, Analyt & Testing Ctr, Zhanjiang 524048, Peoples R China

[2] Lingnan Normal Univ, Sch Chem & Chem Engn, Zhanjiang 524048, Peoples R China

[3] Wuyi Univ, Sch Text Mat & Engn, Guangdong Hong Kong Joint Lab New Text Mat, Jiangmen 529020, Guangdong, Peoples R China

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2022年 / 365卷

基金：

中国国家自然科学基金;

关键词：

Triphenylamine-based conjugated  compounds; Fluorescent sensor; Water detection; Solvatochromism; Twisted intramolecular charge transfer  (TICT); PHOTOINDUCED ELECTRON-TRANSFER; AGGREGATION-INDUCED EMISSION; SOLVATOCHROMIC DYES; ENHANCEMENT; MOLECULE; MOISTURE; POLARITY;

D O I：

10.1016/j.molliq.2022.120086

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two novel triphenylamine-based conjugated compounds were designed and synthesized. The compounds exhibited remarkable solvatochromism by changing emission colour from blue to yellow in polar organic solvents and were used as the fluorescent sensors for the detection of water in six common organic solvents, including acetonitrile, acetone, ethanol, tetrahydrofuran (THF), dimethylformamide (DMF) and dimethylsulfoxide (DMSO). Both sensors showed high sensitivity to detect water in the above-mentioned organic solvents in a wide range. The water sensing behavior of the sensors in acetonitrile was more effective, with a detection limit as low as 0.0079 v% and 0.0071 v %, respectively and a wide detection range (0-5.33 v%). Real application of the sensors was successfully carried out for detecting the unknown water content in commercial products, such as corn-starch, salt and sugar. (c) 2022 Elsevier B.V. All rights reserved.

引用

页数：9

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