Some Properties of an Unmetalled phthalocyanine Obtained by Chance at Low Temperature

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Journal of the Turkish Chemical Society Section A: Chemistry
Volume:7 Issue:3
Some Properties of an Unmetalled phthalocyanine Obtained by Chance at Low Temperature

Some Properties of an Unmetalled phthalocyanine Obtained by Chance at Low Temperature

Pages : 875-882

View : 63 | Download : 6

Publication Date : 2020-10-30

Article Type : Research Paper

Abstract :A novel tetrasubstituted metal-free phthalocyanine bearing phthalonitrile groups on the peripheral positions was synthesized accidentally by the cyclotetramerization reaction of the 4,4’-insert ignore into journalissuearticles values(1,3-phenylenebisinsert ignore into journalissuearticles values(oxy););diphthalonitrile. For photodynamic therapy insert ignore into journalissuearticles values(PDT); application was described photophysical properties including fluorescence quantum yield insert ignore into journalissuearticles values(ΦF);, fluorescence lifetime insert ignore into journalissuearticles values(τF);, triplet state lifetime insert ignore into journalissuearticles values(τT); and triplet quantum yield insert ignore into journalissuearticles values(ΦT); and photochemical properties including singlet oxygen quantum yield insert ignore into journalissuearticles values(Φf); and photodegradation quantum yield insert ignore into journalissuearticles values(Φd); as well as magnetic circular dichroism insert ignore into journalissuearticles values(MCD); properties. The ΦT of phthalocyanine compound value was found 0.81. The obtained lifetime insert ignore into journalissuearticles values(τT); was 40 μs for metal-free Pc.
Keywords : Metal free phthalocyanine, magnetic circular dichrosim, singlet oxygen quantum yield, magnetic circular dichroism

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