会议论文详细信息
7th International Conference on Advanced Materials and Structures
Influence of Synthesis Method on the Morphology and Properties of ABO3 Materials
Vlazan, P.^1 ; Stoia, M.^2 ; Svera, P.^1 ; Poienar, M.^1 ; Sfirloaga, P.^1
National Institute for Research and Development in Electrochemistry and Condensed Matter, Condensed Matter Department, P. Andronescu no.1, Timisoara
300224, Romania^1
Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University of Timisoara, 6 Vasile Parvan Avenue, Timisoara
300223, Romania^2
关键词: 1 ,2 Propanediol;    Fourier transform infrared;    Orthorhombic structures;    Potassium niobate;    Reaction medium;    Sol-gel technique;    Structure and morphology;    Synthesis method;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/416/1/012076/pdf
DOI  :  10.1088/1757-899X/416/1/012076
来源: IOP
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【 摘 要 】

Materials of potassium niobate (KNbO3) with orthorhombic structure were successfully synthesized using two methods: solvothermal at 220 °C for 12 hours and sol-gel technique at 140 °C for 4h; both obtained samples were heat treated at 600 °C for 4 hours, and the influence of the synthesis methods on their properties was studied. KNbO3 materials were prepared using stoichiometric amounts of NbCl5, KOH as reactants and 1,2 propanediol as reaction medium. The structure and morphology of the KNbO3 powders were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDAX), Fourier transform infrared (FTIR) and Raman spectroscopy.

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