Sn(IV) Porphyrin-Based Ionic Self-Assembled Nanostructures and Their Application in Visible Light Photo-Degradation of Malachite Green

A series of porphyrin-based ionic complexes were prepared through the reaction two porphyrin precursors, 5,10,15,20-tetrakis(4-(2-pyridyl)phenyl)porphyrin H2TPhPyP (1) and trans-dihydroxo [5,10,15,20-tetrakis(4-(2-pyridyl)phenyl)porphyrinato]tin(IV) Sn(OH)2TPhPyP (2), with various acids (HCl, HNO3, CF3COOH, H2SO4, H2CO3, H3PO4). The characterized via elemental analysis, 1H nuclear magnetic resonance spectroscopy, electrospray ionization mass spectrometry, Fourier transform infrared (FT-IR) ultraviolet (UV)-visible fluorescence field-emission scanning electron microscopy (FE-SEM). Each compound exhibited different results for UV-visible, fluorescence, FT-IR, FE-SEM studies depending on counter anions. possessed self-assembled nanostructures based electronic interactions between cations compounds 1 2 These aggregated species are stabilized by electrostatic forces ?-? stacking rings, in which anions play an important bridging role. also role controlling morphology photocatalytic properties as-developed materials. then used degradation malachite green (MG) dye aqueous media under visible light irradiation up to 70 min. morphology-dependent MG was observed all complexes, efficiencies ranging from 50% 95%.