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
收藏
页码：3957 / 3969
页数：13
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