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• W2928084920 startingPage "10854" @default.
• W2928084920 abstract "The synthesis, photophysical, singlet oxygen generation, electrochemical and photovoltaic properties of peripheral and axial 1,2,3-triazole group substituted zinc and silicon phthalocyanine complexes with strong absorption in the visible region were described. All novel complexes have been characterized by spectroscopic and electrochemical techniques. All the new compounds are highly soluble in most common organic solvents. The electronic absorption and fluorescence spectral properties of complexes 4 and 5 are investigated. The effects of the triazole group, different metal centers and position of the substituent on the photophysical, electrochemical and photovoltaic properties of the new phthalocyanines were also investigated for the first time in this work. According to the fluorescence measurements, the axially substituted silicon complex (5) showed higher fluorescence quantum yield (ΦF = 0.28) than the peripherally substituted zinc complex (4). In addition, quantum yields for singlet oxygen generation (ΦΔ = 0.32 for silicon complex (4) and ΦΔ = 0.76 for zinc complex (5) in DMSO) were obtained. Electrochemical studies show that complex 5 is present in non-aggregated form as a result of steric hindrance of the axial groups; the LUMO level of this complex is slightly more negative than the conduction band of TiO2 and electron injection might be less effective. Therefore, the power conversion efficiency of 1.30% for a complex 4 based dye-sensitized solar cell (DSSC) is higher than complex 5 (0.90%). Consequently, these zinc and silicon complexes are promising candidates not only for photodynamic therapy but also solar power conversion." @default.
• W2928084920 created "2019-04-11" @default.
• W2928084920 creator A5076685899 @default.
• W2928084920 date "2019-01-01" @default.
• W2928084920 modified "2023-10-12" @default.
• W2928084920 title "Dual-purpose zinc and silicon complexes of 1,2,3-triazole group substituted phthalocyanine photosensitizers: synthesis and evaluation of photophysical, singlet oxygen generation, electrochemical and photovoltaic properties" @default.
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• W2928084920 doi "https://doi.org/10.1039/c8ra10665g" @default.
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• W2928084920 hasPublicationYear "2019" @default.
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