National Tsing Hua University Institutional Repository:Fluorinated Aminoalkoxide and Ketoiminate Indium Complexes as MOCVD Precursors for In2O3 Thin Film Deposition
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    National Tsing Hua University Institutional Repository > 歷任校長 > 劉兆玄 (1987-1993) > 期刊論文 >  Fluorinated Aminoalkoxide and Ketoiminate Indium Complexes as MOCVD Precursors for In2O3 Thin Film Deposition


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    题名: Fluorinated Aminoalkoxide and Ketoiminate Indium Complexes as MOCVD Precursors for In2O3 Thin Film Deposition
    作者: Chou, T.-Y.;Huang, S.-F.;Chi, Y.;Liu, C.-S.;Carty, A. J.;Scoles, L.;Udachin, K. A.
    教師: 劉兆玄
    日期: 2003
    出版者: American Chemical Society
    關聯: INORGANIC CHEMISTRY, American Chemical Society, Volume 42, Issue 19, SEP 22 2003, Pages 6041-6049
    关键词: CHEMICAL-VAPOR-DEPOSITION
    SINGLE-SOURCE PRECURSOR
    INTRAMOLECULARLY STABILIZED ORGANOALUMINUM
    X-RAY-DIFFRACTION
    TIN-OXIDE-FILMS
    MOLECULAR-STRUCTURE
    LOW-TEMPERATURE
    ELECTRON-SPECTROSCOPY
    CRYSTAL-STRUCTURES
    GALLIUM-ARSENIDE
    摘要: The syntheses of two distinctive types of indium complex derived from trimethylindium (InMe3) are reported. The first kind has a generalized structural formula [InMe2(amak)](2), where (amak)H is an abbreviation for a series of chelating amino alcohol ligands HOC(CF3)(2)CH2NHR, R = (CH2)(2)OMe (1), Me (2), and Bu-t (3), as well as HOC-(CF3)(2)CH2NMe2 (4); while the second type of complex is illustrated by [InMe2(keim)] (5), for which (keim)H is a tridentate ketoimine ligand of structural formula O=C(CF3)CH2C(CF3)=NCH2CH2NMe2. The solid-state structures of 2 and 5 were determined using single crystal X-ray diffraction studies. For the aminoalkoxide complexes 2-4, the existence of dimeric In2O2 core structures in the solid state has been established with the amino fragment located trans to the alkoxide ligands, in a molecular arrangement which is in contrast to the distorted, trigonal bipyramidal geometry observed for the ketoiminate complex 5. Moreover, VT NMR studies of 2 revealed a rapid dimer-to-monomer equilibration and simultaneous rupture of the N-->In dative interaction, affording two interconvertible isomers related by having the N-Me substituents in either trans or cis dispositions. For complexes 2 and 5, deposition of In2O3 thin films was successfully conducted at temperatures 400-500 degreesC, using O-2 as the carrier gas to induce indium oxide deposition and to suppress carbon impurity present in the thin film. Scanning electron micrographs (SEMs) revealed the surface morphologies. The atomic composition of these films was examined by both X-ray photoelectron spectroscopy (XPS) and Rutherford backscattering (RBS) methods, while X-ray diffraction studies (XRD) confirmed the formation of a preferred orientation along the (222) planes.
    相関连結: http://pubs.acs.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/81127
    显示于类别:[劉兆玄 (1987-1993)] 期刊論文
    [化學系] 期刊論文

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