Facile one-pot fabrication of Ag@MOF(Ag) nanocomposites for highly selective detection of 2,4,6-trinitrophenol in aqueous phase

被引：83

作者：

Guo, Hongxu ^{[1
]}

Zhang, Yanhui ^{[1
]}

Zheng, Zishan ^{[1
]}

Lin, Haibin ^{[1
]}

Zhang, Yi ^{[1
]}

机构：

[1] Minnan Normal Univ, Coll Chem & Environm, Zhangzhou 363000, Fujian, Peoples R China

来源：

TALANTA | 2017年 / 170卷

关键词：

Ag@MOF(Ag); Nano-composites; Facile reflux reaction; Fluorescence sensor; 2; 4; 6-trinitrophenol; METAL-ORGANIC FRAMEWORK; NANOSPHERES; EXPLOSIVES;

D O I：

10.1016/j.talanta.2017.03.096

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Ag@MOF(Ag) nano-composites were fabricated through one-pot facile reflux reaction from the raw materials of AgNO3 and 2-aminoterephthalic acid, and were then characterized through SEM, TEM, XRD, XPS, and FT1R, which showed a high fluorescence quantum yield (10.6%) and exhibited outstanding selectivity and excellent sensitivity for 2,4,6-trinitrophenol (TNP) over a concentration range of 1-29 mu M in water. The fluorescence quenching mechanism may be attributed to hydrogen-bonding interactions and resonance energy transfer.

引用

页码：146 / 151

页数：6

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