Pyrenoviologen-based fluorescent sensor for detection of picric acid in aqueous solution

被引：24

作者：

Yan, Ni ^{[1
]}

Song, Jiale ^{[1
]}

Wang, Fengyan ^{[1
]}

Kan, Longwang ^{[1
]}

Song, Jiahang ^{[1
]}

Wang, Weiling ^{[1
]}

Ma, Wenqiang ^{[2
]}

Zhang, Weidong ^{[2
]}

He, Gang ^{[2
]}

机构：

[1] Changan Univ, Engn Res Ctr Transportat Mat, Sch Mat Sci & Engn, Polymer Mat & Engn Dept,Minist Educ, Xian 710064, Shaanxi, Peoples R China

[2] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, State Key Lab Strength & Vibrat Mech Struct, Xian 710054, Shaanxi, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2019年 / 30卷 / 11期

基金：

中国国家自然科学基金;

关键词：

Viologen; Explosives; Picric acid; Pyrene; Fluorescent sensor; PHOTOCHEMICAL BEHAVIOR; PYRENE DERIVATIVES; POLYMER; CLAY; TNT;

D O I：

10.1016/j.cclet.2019.09.039

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two highly emissive pyrenoviologen derivatives were synthesized and used to fabricate fluorescent sensors for detection of picric acid (PA) with good sensitivity and selectivity. The sensitivity of the sensor was attributed to the specific electrostatic association effect of the cationic pyrenoviologens to the picrate anions, which also gave the sensor special selectivity among other compounds with similar structure. The electron transfer between them was attributed to the fluorescence response. Fluorescence lifetime measurements revealed that the quenching is static in nature. The novel and efficient pyrenoviologen derivatives-based sensors offered a strategy to fabricate real-life PA sensor. (C) 2019 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.

引用

页码：1984 / 1988

页数：5

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