Sonochemical synthesis of tri-nuclear lead(II)-azido nano rods coordination polymer with 3,4,7,8-tetramethyl-1,10-phenanthroline (tmph): Crystal structure determination and preparation of nano lead(II) oxide

Title
Sonochemical synthesis of tri-nuclear lead(II)-azido nano rods coordination polymer with 3,4,7,8-tetramethyl-1,10-phenanthroline (tmph): Crystal structure determination and preparation of nano lead(II) oxide
Author(s)
주상우요네스피로즈살라리Ali Morsali[Ali Morsali]Babak Mirtamizdoust[Babak Mirtamizdoust]
Keywords
MAGNETIC-BEHAVIOR; DFT CALCULATIONS; COMPLEXES; NANOSTRUCTURES; PRECURSOR; COMPOUND; FABRICATION; LIGAND; PAIR
Issue Date
201501
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF MOLECULAR STRUCTURE, v.1079, pp.67 - 73
Abstract
Preparation of rod-shaped nanostructure of a new 1D lead(II) tri nuclear coordination polymer containing the Pb-2-(mu-N-3)(2) and Pb-2-(mu-N-3)(NO3) motifs [Pb-3(tmph)(4)(mu-N-3)(5)(mu-NO3)](n) (1) where "tmph" is the abbreviation of 3,4,7,8-tetramethyl-1,10-phenanthroline, using a sonochemical method is described. The new coordination polymer is characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), elemental analysis and infrared spectroscopy. The single crystalline material is obtained using a heat gradient applied to a solution of the reagents. Single-crystal XRD analysis indicates three different lead(II) centers in the structure with coordination numbers of seven and eight with a holo and hemidirected coordination geometry. They also show that the chains interact with each other through pi-pi stacking interactions creating a 3D framework. PbO nanoparticles are obtained by thermolysis of 1 at 180 degrees C with oleic acid as a surfactant. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) confirm formation of PbO particles around 10-20 nm. (C) 2014 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/33693http://dx.doi.org/10.1016/j.molstruc.2014.09.016
ISSN
0022-2860
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공과대학 > 기계공학부 > Articles
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