一种新型萘固定化纳米多孔SBA-15作为检测水中Fe(3+)的高选择性光学传感器。
A Novel Naphthalene-Immobilized Nanoporous SBA-15 as a Highly Selective Optical Sensor for Detection of Fe(3+) in Water.
作者信息
Karimi Mehdi, Badiei Alireza, Ziarani Ghodsi Mohammadi
机构信息
School of Chemistry, College of Science, University of Tehran, Tehran, Iran.
Nanobiomedicine Center of Excellence, Nanoscience and Nanotechnology Research Center, University of Tehran, Tehran, Iran.
出版信息
J Fluoresc. 2015 Sep;25(5):1297-302. doi: 10.1007/s10895-015-1617-y. Epub 2015 Jul 25.
A novel organic-inorganic hybrid optical sensor (SBA-NCO) was designed and synthesized through immobilization of isocyanatopropyl-triethoxysilane and 1-amino-naphthalene onto the surface of SBA-15 by post-grafting method. The characterization of materials using XRD, TEM, N2 adsorption-desorption, and FT-IR techniques confirmed the successful attachment of organic moieties and preserving original structure of SBA-15 after modification step. Fluorescence experiments demonstrated that SBA-NCO was a highly selective optical sensor for the detection of Fe(3+) directly in water over a wide range of metal cations including Na(+), Mg(2+), Al(3+), K(+), Ca(2+), Cr(3+), Mn(2+), Fe(2+), Co(2+), Ni(2+), Cu(2+), Zn(2+), Cd(2+), Hg(2+), and Pb(2+) in a wide pH values.
通过后接枝法将异氰酸丙基三乙氧基硅烷和1-氨基萘固定在SBA-15表面，设计并合成了一种新型有机-无机杂化光学传感器（SBA-NCO）。使用XRD、TEM、N2吸附-脱附和FT-IR技术对材料进行表征，证实了有机部分的成功附着以及改性步骤后SBA-15原始结构的保留。荧光实验表明，SBA-NCO是一种高选择性光学传感器，可在宽pH值范围内直接检测水中的Fe(3+)，对包括Na(+)、Mg(2+)、Al(3+)、K(+)、Ca(2+)、Cr(3+)、Mn(2+)、Fe(2+)、Co(2+)、Ni(2+)、Cu(2+)、Zn(2+)、Cd(2+)、Hg(2+)和Pb(2+)在内的多种金属阳离子具有高选择性。
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