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Issue 51, 2019
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Cationic axial ligands on sulfur substituted silicon(IV) phthalocyanines: improved hydrophilicity and exceptionally red-shifted absorption into the NIR region

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Abstract

Herein, we report the exceptionally red-shifted absorption of sulfur-substituted silicon(IV) phthalocyanines upon introduction of cationic axial ligands. The Q band was red-shifted to approximately 900 nm with improved hydrophilicity by the combination of peripheral sulfur substituents and axial ammonium ligands. One such phthalocyanine exhibited remarkable photocytotoxicity upon irradiation with NIR light (∼810 nm) in live cells.

Graphical abstract: Cationic axial ligands on sulfur substituted silicon(iv) phthalocyanines: improved hydrophilicity and exceptionally red-shifted absorption into the NIR region

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Publication details

The article was received on 18 Apr 2019, accepted on 21 May 2019 and first published on 30 May 2019


Article type: Communication
DOI: 10.1039/C9CC03022K
Chem. Commun., 2019,55, 7311-7314

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    Cationic axial ligands on sulfur substituted silicon(IV) phthalocyanines: improved hydrophilicity and exceptionally red-shifted absorption into the NIR region

    T. Furuyama, T. Ishii, N. Ieda, H. Maeda, M. Segi, M. Uchiyama and H. Nakagawa, Chem. Commun., 2019, 55, 7311
    DOI: 10.1039/C9CC03022K

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