Synthesis, Characterization and Photocatalytic Oxidation for 1,5-Dihydroxynaphthalene of Tetrasulfophthalocyanine and Its Metallophthalocyanine Complex

doi:10.7503/cjcu20130147

Abstract

Abstract:

Tetrasulfophthalocyanine(H₂PcTS) and its metal complexes(ZnPcTS, FePcTS and CoPcTS) were synthesized using potassium 4-sulfophthalonitrile as precursor. The use of dialysis and column chromatography can efficiently increase the purity of the products. The structural traits and properties were discussed by Fourier transform infrared(FTIR), ultraviolet visible(UV-Vis) and proton nuclear magnetic resonance(¹H NMR) spectrometries and cyclic voltammetry(CV) methods. It has been shown that the complex properties have relationship with the substitution by sulfonic groups and coordination with central metal ions. FePcTS and H₂PcTS were used as photocatalysts in oxidative degradation of 1,5-dihydroxynaphthalene in the presence of H₂O₂ as oxidant. It was found that FePcTS in pH=3.7 solution presented the best catalytic activity. Compared with tetrasulfoporphyrins, tetrasulfophthalocyanines may be more promising photocatalysts in practical degradation of phenol contaminants.

Key words: Tetrasulfophthalocyanine, Catalytic oxidation, 1,5-Dihydroxynaphthalene

CLC Number:

O614
O643

TrendMD:

WANG Ying, REN Qi-Zhi, GUO Lin-Tong, HOU Zong-Sheng, JIANG Zong-Run. Synthesis, Characterization and Photocatalytic Oxidation for 1,5-Dihydroxynaphthalene of Tetrasulfophthalocyanine and Its Metallophthalocyanine Complex[J]. Chem. J. Chinese Universities, 2013, 34(7): 1576.

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Synthesis, Characterization and Photocatalytic Oxidation for 1,5-Dihydroxynaphthalene of Tetrasulfophthalocyanine and Its Metallophthalocyanine Complex

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