Sonochemical Synthesis of a New Nano Lead(II) Coordination Polymer with 2,5-bis(2-pyridyl)-3,4-diaza-2,4- hexadiene ligand: A Precursor to Produce Pure Phase Nano- sized Lead(II) Oxide

Document Type: Research Paper

Authors

Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box 14155-4838, Tehran, Iran

10.7508/jns.2011.02.001

Abstract

A new nano-sized lead(II) coordination polymer, [Pb(2-bpdh)(NO3)2]n (1); (2-bpdh = 2,5-bis(2-pyridyl)-3,4-diaza-2,4-hexadiene)}, was synthesized by a sonochemical method. The structure of 1 may be considered coordination polymer of lead(II) consist of metallocyclicchains formed by bridging NO3- and 2-bpdh ligands. The thermal stability of compound was studied by thermal gravimetric and differential thermal analyses. The new nano-structure coordination polymer was characterized by scanning electron microscopy, powder X-ray diffraction, elemental analyses and IR spectroscopy. The size of the samples was about 50 nm. Nano-particles of PbO were obtained by thermolysis of compound 1in oleic acid as a surfactant at 180 °C under air atmosphere and the size of this PbO particles were about 50 nm.

Keywords


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