Comparative Studies of Photophysicochemical Properties of Non-Peripherally Anisole/Thioanisole-Tetrasubstituted Gallium (III) Phthalocyanines Containing Oxygen/ Sulfur Bridge

Year 2018, Volume: 5 Issue: 1, 269 - 282, 01.09.2017

Armağan Günsel

https://doi.org/10.18596/jotcsa.357551

Cited By: 3

Abstract

This work reports on the synthesis and characterization
of gallium (III) phthalocyanines (4-6)
which is non-peripherally tetra-substituted with anisole or thioanisole
functional groups containing  oxygen or sulfur
bridge. Confirmation of the
phthalocyanine structures performed with a combination of elemental analysis,
FTIR, ¹H-NMR, UV-vis and MALDI-MS spectral data. Also,
investigated and discussed the effects of non-peripherally tetra-substitution
with different functional groups on the
photochemical (Singlet oxygen quantum yields and photodegradation quantum
yields) and photophysical properties (Fluorescence quantum yields and
flouresans behavior). In every substituent, we obtained very similar singlet oxygen
quantum yields as 0.64 for (4), 0.56 for (5) and 0.65 for (6)
suggesting its potential as photosensitizer in PDT treatment.

Keywords

Phthalocyanine, Anisole, Thioanisole, Gallium, Photochemistry

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