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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Synthesis, photophysical and photochemical properties of substituted zinc phthalocyanines
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Synthesis, photophysical and photochemical properties of substituted zinc phthalocyanines

机译：取代锌酞菁的合成，光物理和光化学性质

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摘要

The synthesis, photophysical and photochemical properties of the 4-({3,4,5- tris-[2-(2- ethoxyethoxy)ethyloxy] benzyl} oxy) and 4-({3,4,5- tris-[ 2-( 2- ethoxyethoxy) ethyloxy] benzyl} thio) zinc( II) phthalocyanines are reported for the first time. The new compounds have been characterized by elemental analysis, IR, H-1 and C-13 NMR spectroscopy, electronic spectroscopy and mass spectra. General trends are described for photodegradation, singlet oxygen, fluorescence and triplet excited state quantum yields, and triplet state and fluorescence lifetimes of these compounds in dimethylsulfoxide (DMSO). The fluorescence of the complexes was quenched by benzoquinone (BQ). The effects of the substitution on the photophysical and photochemical parameters of the zinc( II) phthalocyanines ( 6, 7 and 8) are also reported. Photophysical and photochemical properties of phthalocyanine complexes are very useful for PDT applications. The substituted Zn( II) phthalocyanines showed high triplet and singlet oxygen quantum yields. High singlet oxygen quantum yields are very important for Type II mechanism. Thus, these complexes show potential as Type II photosensitizers.
机译：4-（{3,4,5-三-[2-（2-乙氧基乙氧基）乙氧基]苄基}氧基}和4-（{3,4,5-三-[2]的合成，光物理和光化学性质首次报道了-（2-乙氧基乙氧基）乙氧基]苄基}硫基）锌（II）酞菁。这些新化合物的特征在于元素分析，IR，H-1和C-13 NMR光谱，电子光谱和质谱。描述了这些化合物在二甲基亚砜（DMSO）中的光降解，单线态氧，荧光和三线态激发态量子产率以及三线态和荧光寿命的一般趋势。配合物的荧光被苯醌（BQ）淬灭。还报道了取代对锌（II）酞菁锌（6、7和8）的光物理和光化学参数的影响。酞菁配合物的光物理和光化学性质对于PDT应用非常有用。取代的Zn（II）酞菁显示出高的三重态和单重态氧量子产率。高单线态氧量子产率对于II型机理非常重要。因此，这些络合物显示出作为II型光敏剂的潜力。

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