Comparative studies of photophysical and photochemical properties of solketal substituted platinum(II) and zinc(II) phthalocyanine sets |
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| Authors: | Yunus Zorlu Mahmut Durmu? |
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| Institution: | a Gebze Institute of Technology, Department of Chemistry, PO Box 141, Gebze 41400, Kocaeli, Turkey
b TUBITAK—Marmara Research Centre, Materials Institute, PO Box 21, Gebze 41470, Kocaeli, Turkey |
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| Abstract: | A complete set of platinum(II) solketal substituted phthalocyanines has been synthesized and characterized. To evaluate their potential as Type II photosensitizers for photodynamic therapy, comparative studies of their photophysical and photochemical properties with analogous zinc(II) series have been achieved: electronic absorption, fluorescence quantum yields, lifetimes, and fluorescence quenching by benzoquinone, as well as singlet oxygen generation and photodegradation. It appears that platinum(II) phthalocyanines are worth being used as Type II photosensitizers, as they exhibit good singlet oxygen generation and appropriate photodegradation. |
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| Keywords: | Phthalocyanine Platinum Zinc Photosensitizer Quantum yields Singlet oxygen generation Photodegradation |
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