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Issue 13, 2011
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Tuning free base tetraphenylporphyrins as optical sensing elements for volatile organic analytes

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Abstract

Changes in the visible absorption spectra of ten free base porphyrin compounds in solution and thin film form upon exposure to a range of volatile organic compounds have been investigated. The functional groups attached to the phenyl rings varied in their electron donating/withdrawing strength. These porphyrins were studied with a view to determining their suitability for use in the fabrication of an optical based gas sensor. It has been found that the sensitivity of these sensor materials depends upon the electron donating/withdrawing strength of the functional groups attached to the phenyl rings.

Graphical abstract: Tuning free base tetraphenylporphyrins as optical sensing elements for volatile organic analytes

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Publication details

The article was received on 27 Oct 2010, accepted on 26 Jan 2011 and first published on 22 Feb 2011


Article type: Paper
DOI: 10.1039/C0JM03670F
Citation: J. Mater. Chem., 2011,21, 4882-4887
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    Tuning free base tetraphenylporphyrins as optical sensing elements for volatile organic analytes

    S. A. Brittle, T. H. Richardson, A. D. F. Dunbar, S. M. Turega and C. A. Hunter, J. Mater. Chem., 2011, 21, 4882
    DOI: 10.1039/C0JM03670F

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