Coordination-organometallic hybrid materials based on the trinuclear M(II)-Ru(II) (M=Ni and Zn) complexes: Synthesis, structural characterization, luminescence and electrochemical properties

摘要

AbstractA new series of trinuclear complexes of the type Ni[R-C6H4NCH(O)C6H3CCRu(dppe)2Cl]2(1a-c) and Zn[RC6H4NCH(O)C6H3CCRu(dppe)2Cl]2(2a-c) have been prepared from the reaction oftrans-[RuCl(dppe)2CCC6H3(OH)(CHO)] (1) with aniline, 4-nitroaniline and 4-methoxyaniline (R1-3) in presence of nickel acetate and zinc acetate in CH2Cl2/MeOH (1:1) mixture. The structural properties of the complexes have been characterized by elemental analyses and spectroscopic techniquesviz. FTIR, UV-Visible,1H NMR and31P NMR spectral studies. The crystal structure and morphology of the hybrid complexes was investigated with the help of X-ray powder diffraction (XRPD), Scanning electron microscopy (SEM) and Transmission electron microscopy (TEM). The thermal properties of1a-cand2a-cwere studied by thermogravimetric (TG) analysis. The electrochemical behaviour of the complexes reveals that all complexes displayed a quasireversible redox behaviour corresponding to Ru(II)/Ru(III) and Ni(II)/Ni(III