title: Survey of temperature, reaction time and ultrasound irradiation power on sonochemical synthesis of two new nanostructured lead(II) coordination supramolecule compounds.
abstract: Nanoparticles of two new 0D, lead(II) coordination supramolecular compounds, [Pb(L)2(I)2] (1) and [Pb(L)(L/)(H2O)]·3H2O (2), (L=1,10-phenanthroline monohydrate, L/=2,6-pyridinedicarboxlic acid), have been synthesized by a sonochemical process and characterized by scanning electron microscopy (SEM), field emission scanning electron microscopy (FE-SEM), X-ray powder diffraction (XRPD), FT-IR spectroscopy and elemental analyses. The single crystal X-ray data of compounds show that the Pb ion is six coordinated in both 1 and 2. The thermal stability of compound 1 and 2 has been studied by thermal gravimetric (TG) and differential thermal analyses (DTA). The role of temperature, reaction time and ultrasound irradiation power on the size and morphology of the nano-structured compound obtained from 1 and 2, have been investigated. Results indicate that an increase of temperature and sonication power and a decrease in time reaction led to a decrease of particle size. Topological analysis shows that the compound 1 and 2 are new topology for net: 1,4M5-1 and nch, respectively.
authors: Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran.
authors: Payam
authors: P
authors: Hayati
authors: Department of Chemistry, Faculty of Science, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran.
authors: AliReza
authors: A
authors: Rezvani
authors: Department of Chemistry, Faculty of Sciences, Tarbiat Modares University, P.O. Box 14115-4838, Tehran, Iran. Electronic address: morsali_a@modares.ac.ir.
authors: Ali
authors: A
authors: Morsali
authors: Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS-UPR2301, 1 Avenue de la Terrasse, Bât 27, 91198 Gif sur Yvette cedex, France.
authors: Pascal
authors: P
authors: Retailleau
authors: Department of Chemical Sciences, University of Naples Federico II, Via Cintia, I-80126 Naples, Italy.
authors: Roberto
authors: R
authors: Centore
keywords: Coordination polymer; Morphology; Sonochemical process; Topology; Ultrasound irradiation