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Issue 6, 2014
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Protecting the triplet excited state in sterically congested platinum porphyrin

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Abstract

Platinum tetrakis(2,4,6-triethylphenyl)porphyrin (Pt-1) was synthesized and its structural (X-ray), electrochemical and photophysical properties were fully characterized. Comparative studies of Pt-1 and its unsubstituted analog PtTPP show the effect of sterically congesting ortho-substituents on the dynamics of the triplet excited states. Lowered quenching rates by 3–4 times were observed for Pt-1vs. PtTPP in the presence of oxygen and perylene, and in concentration (self)-quenching experiments.

Graphical abstract: Protecting the triplet excited state in sterically congested platinum porphyrin

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Publication details

The article was received on 16 Oct 2013, accepted on 19 Nov 2013 and first published on 20 Nov 2013


Article type: Paper
DOI: 10.1039/C3DT52926F
Citation: Dalton Trans., 2014,43, 2676-2683
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    Protecting the triplet excited state in sterically congested platinum porphyrin

    A. G. Moiseev, E. A. Margulies, J. A. Schneider, F. Bélanger-Gariépy and D. F. Perepichka, Dalton Trans., 2014, 43, 2676
    DOI: 10.1039/C3DT52926F

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