首页> 外文期刊>Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter >Solid state and solution photoluminescence properties of a novel meso-meso-linked porphyrin dimer Schiff base ligand and its metal complexes
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Solid state and solution photoluminescence properties of a novel meso-meso-linked porphyrin dimer Schiff base ligand and its metal complexes

机译:Solid state and solution photoluminescence properties of a novel meso-meso-linked porphyrin dimer Schiff base ligand and its metal complexes

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摘要

We prepared novel meso-meso linked 4-bromo-2,6-bis5-(4-iminophenyl)-10,15,20-triphenylporphyrin phenol (HL) and its Cu(II), Fe(III), Mn(III), Pt(II) and Zn(II) transition metal complexes. Structural characterizations of the ligand (HL) and its metal complexes were done by the spectroscopic and analytical methods. The electronic absorption and photoluminescence spectra of the ligand, its metal complexes and the metal salts used for preparing of the complexes were investigated in the solid and solution state. The emission and excitation data of the Cud. 2H(2)O in both solid and the solution state were obsrved in the longest wavelenght. On the other hand, the emission value of the ZnCl2 salt was shown at the shortest wavelenght. The emission values of the LCu4CI3(H2O)H2O and LPt4Cl3 complexes in the solid state are bigger than the other metal salts. The ligand and its metal complexes show the very interesting absorption spectral properties in the solid state. Metal complexes have less number Q bands in the solid state. The electrochemical properties of the ligand and its metal complexes were investigated and found that they show the reversible or irreversible redox processes at the different scan rates. Thermal properties of the compopunds were investigated in the 20-900 degrees C temperature range. (C) 2015 Elsevier B.V. All rights reserved.

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