Polyurethane derivatives for highly sensitive and selective fluorescence detection of 2,4,6-trinitrophenol (TNP)

被引：55
作者：
Jiang, Nan [1 ]
Li, Guangfu [1 ]
Che, Weilong [1 ]
Zhu, Dongxia [1 ]
Su, Zhongmin [1 ]
Bryce, Martin R. [2 ]
机构：
[1] Northeast Normal Univ, Univ Jilin Prov, Dept Chem, Key Lab Nanobiosensing & Nanobioanal, 5268 Renmin St, Changchun 130024, Jilin, Peoples R China
[2] Univ Durham, Dept Chem, Durham DH1 3LE, England
来源：
JOURNAL OF MATERIALS CHEMISTRY C | 2018年 / 6卷 / 42期
基金：
英国工程与自然科学研究理事会;
关键词：
SHAPE-MEMORY POLYMERS; PICRIC-ACID; AQUEOUS-MEDIA; NITROAROMATIC EXPLOSIVES; CONJUGATED POLYMER; QUANTUM DOTS; WATER; CHEMOSENSORS; SENSORS;
D O I：
10.1039/c8tc04250k
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of luminescent non-conjugated polyurethane derivatives (PUs) has been obtained in a facile way in high yields. The polymers show highly selective and sensitive detection of 2,4,6-trinitrophenol (TNP) (picric acid). The selectivity for TNP is accomplished via combination of a strong inner filter effect (IFE), Forster resonance energy transfer (FRET) and photoinduced electron transfer (PET). A convenient indicator paper for the visual detection of TNP has been constructed by immobilization of the polymer PU1 on filter paper. The PU1-coated filter paper presents a rapid detection of TNP in water with a low concentration limit of 10(-10) M, approximate to 0.229 ag cm(-2). This is a simple, low-cost and highly efficient method for the detection of TNP.
引用
收藏
页码：11287 / 11291
页数：5
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