Synthesis and Characterization of BaTi(OC6H5)6.cntdot.2DMF, a Single-Source Sol-Gel Precursor to BaTiO3 Gels, Powders, and Thin Films

Autor:	V. W. Day, Walter G. Klemperer, Todd A. Eberspacher, S. Liang
Rok vydání:	1995
Předmět:	chemistry.chemical_classification Materials science General Chemical Engineering Aryl Inorganic chemistry Center (category theory) General Chemistry chemistry.chemical_compound Crystallography chemistry Alkoxide X-ray crystallography Materials Chemistry Molecule Thin film Alkyl Sol-gel
Zdroj:	Chemistry of Materials. 7:1607-1608
ISSN:	1520-5002 0897-4756
DOI:	10.1021/cm00057a004
Popis:	The sol-gel processing of simple oxides such as SiO{sub 2} and TiO{sub 2} is relatively well understood and can be approached in a systematic fashion, since the corresponding alkoxide precursors Si(OR){sub 4} and Ti(OR){sub 4} are known and their chemistry has been studied in detail. Operating on the hypothesis that the sol-gel processing of BaTiO{sub 3} might be similarly simplified if the analogous alkoxide precursors BaTi(OR){sub 6} were available, the authors have attempted to prepare such complexes and study their chemistry. In the course of these investigations, it was found that the problems associated with the preparation of alkyl BaTi(OR){sub 6} complexes can be circumvented using aryl derivatives, and the authors report here the synthesis and characterization of the solvated phenoxide BaTi(OC{sub 6}H{sub 5}){sub 6}{center_dot}2DMF, DMF = N,N-dimethylformamide, a viable sol-gel precursor to BaTiO{sub 3} gels, powders, and thin films. 15 refs., 2 figs.
Databáze:	OpenAIRE
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