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Issue 16, 2010
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Sensor material based on occluded trisulfur anionic radicals for convenient detection of trace amounts of water molecules

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Abstract

Trisulfur anionic radicals, which are chromogenic, have been generated through reaction of vaporized sulfur with univalent zinc in a microporous silicoaluminophosphate. It was found that these radicals are accessible to guest molecules and respond uniquely to water molecules, and as a result the radical-containing composite material functions as an efficient detector for trace amounts of H2O both in air and in organic solvents. A simple system that employs this unique composite material is fabricated to detect parts per million levels of water in organic media on the basis of color variation.

Graphical abstract: Sensor material based on occluded trisulfur anionic radicals for convenient detection of trace amounts of water molecules

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Publication details

The article was received on 02 Dec 2009, accepted on 04 Feb 2010 and first published on 05 Mar 2010


Article type: Paper
DOI: 10.1039/B925233A
Citation: J. Mater. Chem., 2010,20, 3307-3312
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    Sensor material based on occluded trisulfur anionic radicals for convenient detection of trace amounts of water molecules

    Q. Gao, Y. Xiu, G. Li and J. Chen, J. Mater. Chem., 2010, 20, 3307
    DOI: 10.1039/B925233A

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