Colorimetric sensing of Fe3+ ions in aqueous solution using magnesium oxide nanoparticles synthesized using green approach

被引：34
|
作者：
Jain, Ayushi [1 ,2 ,3 ]
Wadhawan, Shweta [3 ]
Kumar, Vineet [4 ]
Mehta, S. K. [1 ,2 ]
机构：
[1] Panjab Univ, Dept Chem, Sect 14, Chandigarh 160014, UP, India
[2] Panjab Univ, Ctr Adv Studies Chem, Sect 14, Chandigarh 160014, UP, India
[3] Panjab Univ, Res Ctr, GGDSD Coll, Dept Chem, Sect 32, Chandigarh 160030, UP, India
[4] LPU, Sch Bioengn & Biosci, Dept Biotechnol, Jalandhar Delhi GT Rd, Phagwara 144411, Punjab, India
来源：
CHEMICAL PHYSICS LETTERS | 2018年 / 706卷
关键词：
MgO nanoparticles; Colorimetric sensing; Green approach; SILVER NANOPARTICLES; FLUORESCENT SENSOR; IRON; GOLD; BIOSYNTHESIS; AGGREGATION; CHEMOSENSOR; MERCURY(II); RHODAMINE; ZN(II);
D O I：
10.1016/j.cplett.2018.05.069
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This paper reports the colorimetric sensing of Fe3+ ions in water using magnesium oxide (MgO) nanoparticles where a novel and green method to synthesize MgO nanoparticles (NPs) using Syzygium aromaticum extract (clove extract) as reducing agent has been described. The synthesized MgO NPs were characterised by various techniques i.e. UV-Vis, Fourier Transform Infrared Spectroscopy (FTIR), X-ray diffraction (XRD), Transmission Electron Microscopy (TEM), and Energy dispersive X-ray analysis (EDX). The MgO NPs were used as colorimetric probe for the sensitive and selective sensing of Fe3+ ions in water using UV-Vis spectrophotometry. Sensing efficiency of MgO NPs towards Fe3+ was investigated at pH range of 3-10. The best selectivity and sensitivity was obtained at pH 3. Limit of detection was calculated using 3 sigma method and it was found to be 23 mu M. Further, application of MgO NPs in practical sensing of Fe3+ in real water samples was also successfully investigated. (C) 2018 Published by Elsevier B.V.
引用
收藏
页码：53 / 61
页数：9
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