Pillar[5]arene-based "Three-components" Supramolecular Assembly and the Performance of Nitrobenzene-based Explosive Fluorescence Sensing

被引：7
作者：
Chong, Hui [1 ]
Xu, Yinghui [1 ]
Han, Ying [1 ]
Yan, Chaoguo [1 ]
Su, Dawei [2 ]
Wang, Chengyin [1 ,3 ]
机构：
[1] Yangzhou Univ, Dept Chem & Chem Engn, Yangzhou 225009, Jiangsu, Peoples R China
[2] Univ Technol Sydney, Sch Math & Phys Sci, City campus,Broadway, Sydney, NSW 2007, Australia
[3] Yangzhou Univ, Testing Ctr, Yangzhou 225009, Jiangsu, Peoples R China
来源：
CHEMISTRYSELECT | 2021年 / 6卷 / 34期
基金：
中国国家自然科学基金;
关键词：
Pillar[5]arene; Self-assembling; Organogel; Fluorescence; Explosive sensing; METAL-ORGANIC FRAMEWORKS; LUMINESCENT; COORDINATION; RECOGNITION; POLYMERS; TRINITROTOLUENE; LIGANDS; BINDING;
D O I：
10.1002/slct.202102725
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A "three-components" supramolecular assembly has been fabricated by mixing 2, 2': 6', 2"-terpyridine attached pillar[5]arene, cyano and triazole bearing alkyl chain and Zn2+ in solvent of CHCl3 and CH3CN. The driving forces for the assembly were believed to be host-guest and metal chelating interactions as characterized by H-1 NMR, UV-vis and fluorescence spectra. The supramolecular organo-gel formed upon the concentration of components amount to 1 M. The supramolecular displayed nitrobenzene based explosive sensing capability using picric acid, ortho-nitrobenzene and phenol as samples. The assembly was most sensitive towards picric acid among the three analytes. The limit of detection for picric acid was determined to be 1.66 x 10(-4) M.
引用
收藏
页码：9363 / 9367
页数：5
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