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Tin(IV) chalcogenide complexes:single source precursors for SnS, SnSe and SnTe nanoparticle synthesis


Reference:

Johnson, A., Thompson, J., Ahmet, I. and Kociok-Kohn, G., 2016. Tin(IV) chalcogenide complexes:single source precursors for SnS, SnSe and SnTe nanoparticle synthesis. European Journal of Inorganic Chemistry, 2016 (28), pp. 4711-4720.

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    Official URL:

    http://dx.doi.org/10.1002/ejic.201600790

    Abstract

    A family of tin(IV) bis(hexamethylsilylamide) complexes 2 – 9 have been synthesized by reaction of [Sn{N(SiMe3)2}2] ( 1 ) with the diphenyl dichalcogenanes Ph2E2 (E = S, Se, Te), the radical species TEMPO, or the group 16 elements to form the complexes [(PhE)2Sn{N(SiMe3)2}2] ( 2 – 4 ) and [(TEMPO)2Sn{N(SiMe3)2}2] ( 5 ), and [{(Me3Si)2N}2Sn(µ2-E)]2 ( 6 – 9 ) (E = S, 2 & 6 ; E = Se 3 & 7 ; E = Te, 4 & 9 , E = O2, 9 ). The isolated tin complexes were characterized by elemental analysis, NMR spectroscopy, and the molecular structures of the complexes were determined by single crystal X-ray diffraction. Thermogravimetric analysis showed complexes 2 – 4 and 6 – 8 all to have residual masses close to those expected for the formation of the corresponding “SnE” systems. Complexes 2 – 4 and 6 – 8 were also assessed for their utility in the formation of nanoparticles. The materials obtained were characterized by powder X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and energy-dispersive X-ray analysis (EDX). Analysis showed formation of SnSe and SnTe from complexes 3 – 4 and 6 – 7 , respectively.

    Details

    Item Type Articles
    CreatorsJohnson, A., Thompson, J., Ahmet, I. and Kociok-Kohn, G.
    DOI10.1002/ejic.201600790
    Uncontrolled Keywordstin chalcogenides,precursors,nanoparticles,synthesis,x ray crystallography,materials chemistry
    DepartmentsFaculty of Science > Chemistry
    Research CentresCentre for Sustainable Chemical Technologies
    RefereedYes
    StatusPublished
    ID Code51408

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