Abstract
AbstractA new mixed-ligand diorganotin(IV) complex, [μ-(4-dpe){Me2Sn(cup)2}2] (1), was synthesized by reacting dimethyltin(IV) dichloride with 1,2-di(4-pyridyl)ethylene (4-dpe) and ammonium N-Nitroso-N-phenylhydroxylamine (cup). The prepared complex was fully characterized by PXRD,1H,13C and119Sn NMR, IR, and UV spectra and elemental analysis (CHN). The structural analysis of complex1by X-ray diffraction showed that this compound consists of centrosymmetric binuclear units that crystallize in the monoclinic system with the space group ofP21/c. Thermal behavior of this complex was interrogated by thermogravimetric and differential thermal analysis (TGA and DTA) under air atmosphere. The study of thermal behavior and luminescence properties of prepared diorganotin(IV) complex exhibited that this complex can be used as a emitting layer in the preparation of optical devices. The prepared coordination compound was used in two different concentrations in the manufacture of two light-emitting diodes (OLEDs).
Highlights
Investigation of the results showed that the auxiliary ligands had a important effect on the structure and absorption and fluorescence spectra of Pb(II) complexes and prepared compounds were utilized as precursors for the preparation of nano-metal oxides (Amini et al, 2015)
The appearance of the new Sn–O band in the IR spectra of compound 1 at about 400 cm-1 in the IR spectra of prepared compound in comparison with that of free cupferron ligand can be related to the coordination of this ligand to the diorganotin species in bidentate chelating mode
The coordination of cupferron ligand to the diorganotin species in the bridging coordination mode shows a band at about 388 cm-1, while, the υ(Sn–O) band for ordinary bidentate chelating mode is centered in the range of 395-408 cm-1 (Baul et al, 2007)
Summary
Mahmoudpour et al.: Synthesis, characterization and electroluminescence properties of a new mixed-ligand the increase of auxiliary ligands to the structure of metal complexes and the synthesis of novel luminesces mixedligand metal complexes can provide an opportunity to use of them as a precursor in the preparation of optical devices. Many transitional metal complexes of cupferron (Cup, [PhN(O)NO]NH4) as an analytical reagent in quantitative determination of some of metal ions have been reported and the structure of some of them has been characterized. This ligand is less used in the synthesis of main metal complexes (Hui et al, 2013; Wang et al, 2002; Wang et al, 2006). The investigation of the optical properties and thermal behavior showed that this complex can be used as a precursor in the preparation of organic light emitting diodes
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