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Issue 13, 2015
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Photoinduced triplet-state electron transfer of platinum porphyrin: a one-step direct method for sensing iodide with an unprecedented detection limit

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Abstract

Here, we report for the first time a one-step direct method for sensing halides in aqueous solution using phosphorescence quenching of platinum-cationic porphyrin. This method offers an easy, rapid, environmentally friendly, ultra-sensitive (with a previously unattained detection limit of 1 × 10−12 M) and economical method for the determination of iodide. To fully understand the reaction mechanism responsible for the phosphorescence quenching process, we have employed cutting-edge time-resolved laser spectroscopy with broadband capabilities.

Graphical abstract: Photoinduced triplet-state electron transfer of platinum porphyrin: a one-step direct method for sensing iodide with an unprecedented detection limit

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Publication details

The article was received on 21 Dec 2014, accepted on 05 Feb 2015 and first published on 05 Feb 2015


Article type: Communication
DOI: 10.1039/C4TA07033J
J. Mater. Chem. A, 2015,3, 6733-6738
  • Open access: Creative Commons BY-NC license
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    Photoinduced triplet-state electron transfer of platinum porphyrin: a one-step direct method for sensing iodide with an unprecedented detection limit

    D. Masih, S. M. Aly, E. Alarousu and O. F. Mohammed, J. Mater. Chem. A, 2015, 3, 6733
    DOI: 10.1039/C4TA07033J

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