Synthesis and photophysical studies of a low-symmetry tribenzoisothiazoloporphyrazine
El-Khouly, M. E.
Kalogirou, Andreas S.
Koutentis, Panayiotis Andreas
SourceJournal of Porphyrins and Phthalocyanines
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A new low-symmetry tetraazaporphyrin has been synthesized and characterized by 1H NMR, electronic spectroscopies and high resolution mass spectrometry. The photophysical behavior of the newly synthesized low-symmetry zinc tetraazaporphyrin ZnPz 1 has been examined and compared with that of the symmetrical tert-octylphenoxy zinc phthalocyanine ZnPc 2, by using steady-state absorption and fluorescence, cyclic voltammetry, molecular orbital calculation, and femtosecond transient absorption techniques. © 2016 World Scientific Publishing Company.