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Photophysical properties of novel tetra-3-substituted phthalocyanines of Zn(II), Cu(II) and Pd(II)

    https://doi.org/10.1142/S1088424622500614Cited by:1 (Source: Crossref)

    Newly metallo-phthalocyanines substituted MPc1 of zinc, copper, and palladium, bearing 3-((2,6-di(pyridin-3-yl)-phenoxy) substituent at α-position (non-peripheral) were synthesized and characterized by common spectroscopic methods such as 1H-NMR, IR-FTR, MS, UV-Visible and florescence emission. Flowing several synthetic routes, the yield was increased in the series of metals: from CuPc1, PdPc1, to ZnPc1 and from ZnPc1, to ZnPc2, to ZnPc3, compared with their analogies in the literature. Afterwards, the effect of changing metals and substituents’ positions increased the Q-band value and florescence emission from PdPc1 to CuPc1 to ZnPc1 and from ZnPc2 (β-position) to ZnPc3 (octa-position), to ZnPc1(α-position) and from cationic phthalocyanines ZnPc 2Me to ZnPc 3Me to ZnPc 1Me. The study of aggregation tendance in DMSO was examined in different concentrations to confirm that there was no aggregation appearance.

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