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Issue 42, 2007
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Optical sensors based on functionalized mesoporous silica SBA-15 for the detection of multianalytes (H+ and Cu2+) in water

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Abstract

A novel fluorescent chemosensing material (2-MPT-SBA-15) for multianalyte detection in water was prepared through the functionalization of mesoporous silica (SBA-15) with a fluorescent chromophore, 5-methoxy-2-thiazoles (2-MPT). The characterization of the obtained material 2-MPT-SBA-15 shows that the organized structure is preserved after the post-grafting procedure. This hybrid material not only displayed pH sensitive fluorescent behavior with a dual-emission in the range of 1 to 5.7, but is also an optical sensor for the sensitive and selective detection of Cu2+ ions in water. Furthermore, both the sensing detection of pH and Cu2+ are very fast and reproducible.

Graphical abstract: Optical sensors based on functionalized mesoporous silica SBA-15 for the detection of multianalytes (H+ and Cu2+) in water

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Publication details

The article was received on 12 Jun 2007, accepted on 20 Aug 2007 and first published on 03 Sep 2007


Article type: Paper
DOI: 10.1039/B708857D
Citation: J. Mater. Chem., 2007,17, 4492-4498

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    Optical sensors based on functionalized mesoporous silica SBA-15 for the detection of multianalytes (H+ and Cu2+) in water

    L. Li, H. Sun, C. Fang, J. Xu, J. Jin and C. Yan, J. Mater. Chem., 2007, 17, 4492
    DOI: 10.1039/B708857D

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