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Issue 15, 2012
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Acetylene bridged porphyrin–monophthalocyaninato ytterbium(III) hybrids with strong two-photon absorption and high singlet oxygen quantum yield

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Abstract

Several acetylene bridged porphyrin–monophthalocyaninato ytterbium(III) hybrids, PZn–PcYb, PH2–PcYb and PPd–PcYb, have been prepared and characterized by 1H and 31P NMR, mass spectrometry, and UV-vis spectroscopy. Their photophysical and photochemical properties, especially the relative singlet oxygen (1O2) quantum yields and the two-photon absorption cross-section (σ2), were investigated. These three newly synthesized compounds exhibited very large σ2 values and substantial 1O2 quantum yields upon photo-excitation, making them potential candidates as one- and two-photon photodynamic therapeutic agents.

Graphical abstract: Acetylene bridged porphyrin–monophthalocyaninato ytterbium(iii) hybrids with strong two-photon absorption and high singlet oxygen quantum yield

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Publication details

The article was received on 26 Oct 2011, accepted on 16 Jan 2012 and first published on 22 Feb 2012


Article type: Paper
DOI: 10.1039/C2DT12034H
Citation: Dalton Trans., 2012,41, 4536-4543

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    Acetylene bridged porphyrin–monophthalocyaninato ytterbium(III) hybrids with strong two-photon absorption and high singlet oxygen quantum yield

    H. Ke, W. Li, T. Zhang, X. Zhu, H. Tam, A. Hou, D. W. J. Kwong and W. Wong, Dalton Trans., 2012, 41, 4536
    DOI: 10.1039/C2DT12034H

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