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Issue 14, 2013
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Photophysical and photochemical properties of a novel thiol terminated low symmetry zinc phthalocyanine complex and its gold nanoparticles conjugate

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Abstract

A novel thiol functionalized zinc phthalocyanine complex (ZnPcSH) is reported in this work. This complex was conjugated to gold nanoparticles. The photophysical and photochemical properties of the complex and the conjugate were investigated. Upon conjugation a blue shift was observed from the UV-Vis spectra. The conjugate showed a decrease in the fluorescence quantum yield and lifetime. An increase in the triplet quantum yield and lifetime was observed for ZnPcSH following conjugation to gold nanoparticles. Both ZnPcSH and its conjugate with gold nanoparticles showed high singlet oxygen quantum yields with the conjugate being higher than the Pc alone.

Graphical abstract: Photophysical and photochemical properties of a novel thiol terminated low symmetry zinc phthalocyanine complex and its gold nanoparticles conjugate

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Publication details

The article was received on 12 Nov 2012, accepted on 22 Jan 2013 and first published on 22 Jan 2013


Article type: Paper
DOI: 10.1039/C3DT32698E
Citation: Dalton Trans., 2013,42, 4922-4930
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    Photophysical and photochemical properties of a novel thiol terminated low symmetry zinc phthalocyanine complex and its gold nanoparticles conjugate

    T. P. Mthethwa, S. Tuncel, M. Durmuş and T. Nyokong, Dalton Trans., 2013, 42, 4922
    DOI: 10.1039/C3DT32698E

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