Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/xmlui/handle/100/15235
Title: Redox Reaction between Main-Group Elements (Te, Sn, Bi) and N-Heterocyclic-Carbene-Derived Selenium Halides: A Facile Method for the Preparation of Monomeric Halides
Authors: MANJARE, ST
YADAV, S
SINGH, HB
BUTCHER, RJ
Keywords: Tellurium
Tin
Halides
Selones
Carbenes
Issue Date: 2013
Publisher: WILEY-V C H VERLAG GMBH
Citation: EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2013(30)5344-5357
Abstract: The synthesis and characterization of substituted benzimidazolin-2-selones (4c-4d) and -tellone (4i) are reported. Upon reaction with halogens (I-2, Br-2, and Cl-2), these selones and tellone yield dihaloselones/tellone (5c-5i). The reaction of dihaloselones with elemental tellurium/tin/bismuth leads to the formation of selone-coordinated monomeric tellurium tetrahalides, tellurium dibromide (8), tin tetrahalides, and bismuth triiodide adducts (7a-7g), respectively. The structures of the tellurium tetrahalide (7a, 7d, and 7g), tellurium dibromide (8), tin tetrahalide, and bismuth triiodide adducts have been established by single-crystal X-ray analysis. The bismuth triiodide adduct is the first neutral tetrameric structure with selones. The bismuth adduct has been used as a single-source precursor for the synthesis of bismuth selenide (Bi2Se3) nanoparticles, which were characterized by powder XRD patterns. The TEM images show the hexagonal shape of the nanoparticles.
URI: http://dx.doi.org/10.1002/ejic.201300850
http://dspace.library.iitb.ac.in/jspui/handle/100/15235
ISSN: 1434-1948
1099-0682
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