Synthesis and structural characterization of new bismuth (III) nano coordination polymer: A precursor to produce pure phase nano-sized bismuth (III) oxide

Title
Synthesis and structural characterization of new bismuth (III) nano coordination polymer: A precursor to produce pure phase nano-sized bismuth (III) oxide
Author(s)
주상우Babak Mirtamizdoust[Babak Mirtamizdoust]Bamin Khomami[Bamin Khomami]요네스피로즈살라리Masoud Hatami[Masoud Hatami]
Keywords
METAL-ORGANIC FRAMEWORKS; SONOCHEMICAL SYNTHESES; CHEMICAL ROUTES; LIGAND DESIGN; BI4TI3O12; BASE; FORM; COMPLEXATION; NITRATE; BIVO4
Issue Date
201507
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF MOLECULAR STRUCTURE, v.1091, pp.43 - 48
Abstract
A novel bismuth (III) nano coordination polymer, {[Bi (pcih)(NO3)(2)]center dot MeOH}(n) (1), ("pcih" is the abbreviations of 2-pyridinecarbaldehyde isonicotinoylhydrazoneate) were synthesized by a sonochemical method. The new nano-structure was characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray powder diffraction, elemental analyses and IR spectroscopy. Single crystalline material was obtained using a heat gradient applied to a solution of the reagents. Compound 1 was structurally characterized by single crystal X-ray diffraction. The determination of the structure by single crystal X-ray crystallography shows that complex forms a zig-zag one dimensional polymer in the solid state and the coordination number of ions is seven, (BiN3O4), with three N-donor and one O-donor atoms from two "pcih" and three O-donors from nitrate anions. It has a hemidirected coordination sphere. The supramolecular features in these complexes are guided and controlled by weak directional intermolecular interactions. The chains interact with each other through pi-pi stacking interactions creating a 3D framework. After thermolysis of 1 at 230 degrees C with oleic acid, pure phase nano-sized bismuth (III) oxide was produced. The morphology and size of the prepared Bi2O3 samples were further observed using SEM. (C) 2015 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/31700http://dx.doi.org/10.1016/j.molstruc.2015.02.074
ISSN
0022-2860
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공과대학 > 기계공학부 > Articles
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