Highly silver-selective fluorescent sensor based on functionalized nanoporous silica (SBA-Pr-NMP) in aqueous media

被引：4

作者：

Jamasbi, Negar ^{[1
]}

Ziarani, Ghodsi Mohammadi ^{[1
]}

Mohajer, Fatemeh ^{[1
]}

Badiei, Alireza ^{[2
]}

机构：

[1] Alzahra Univ, Fac Phys & Chem, Dept Chem, Tehran, Iran

[2] Univ Tehran, Coll Sci, Sch Chem, Tehran, Iran

来源：

RESEARCH ON CHEMICAL INTERMEDIATES | 2022年 / 48卷 / 09期

关键词：

Functionalized SBA-15; Fluorescent sensor; Ag+ ion; 3-Methyl-1-phenyl-5-oxo-1H-pyrazole-4-carbaldehyde; SBA-Pr-NMP; MESOPOROUS SILICA; NANOPARTICLES; ION; RECOGNITION; TOXICITY; CHEMOSENSORS; HG(II);

D O I：

10.1007/s11164-022-04773-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new chemosensor based on silica entitled SBA-Pr-NMP was prepared by modification of SBA-15 with (3-aminopropyl)triethoxysilane and 3-methyl-1-phenyl-5-oxo-1H-pyrazole-4-carbaldehyde. The functionalized structure was characterized and confirmed via various methods like FT-IR, XRD, EDX, SEM, TGA, and BET. The sensing properties of SBA-Pr-NMP were studied using fluorescence spectroscopy in the presence of various metal ions, and the intensity increased remarkably with Ag+ ion compared to other cations. Also, a good linear relationship was obtained between the fluorescence intensity of SBA-Pr-NMP and the concentration of Ag+ with a calculated detection limit of 2.85 x 10(-7) M. [GRAPHICS] .

引用

页码：3957 / 3969

页数：13

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