Synthesis of Yb-doped Ba(Ce,Zr)O3 ceramic powders by sol-gel method

N. Osman, A. M. Jani, I. A. Talib

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    This study was aimed to synthesize a ceramic electrolyte of BaCe 0.76Zr0.19Yb0.05O2.975 using acetate and chloride precursors. The transparent sol was stable for more than 10 months but only 3 months for the gel. The dried gel was characterized using thermogravimetric analysis/differential scanning calorimetry, particle analyzer, X-ray diffraction (XRD), and scanning electron microscopy/dispersive X-ray (SEM/EDX) analysis. Thermal behavior analysis showed three steps of weight losses. All the processes were exothermic reactions as shown by derivative thermogravimetric analysis signal. Two groups of particle size were observed in the particle size distribution for the sample in the form of sol and powders ranging from 100 to 1,100 nm. A high purity single-phase sample with orthorhombic structure was identified by XRD. The theoretical density estimated from the unit cell parameters was 6.40 g cm-3. SEM of the powdered sample showed homogeneous distribution of particles and the grains size were in the range of 0.7-1.3 μm. EDX data revealed that the residue of small amount of chloride (≈0.25%) was still present in the final product of the compound.

    Original languageEnglish
    Pages (from-to)379-384
    Number of pages6
    JournalIonics
    Volume12
    Issue number6
    DOIs
    Publication statusPublished - Dec 2006

    Fingerprint

    Powders
    Sol-gel process
    gels
    Polymethyl Methacrylate
    ceramics
    Sols
    Scanning electron microscopy
    scanning electron microscopy
    Thermogravimetric analysis
    Chlorides
    Energy dispersive spectroscopy
    synthesis
    Gels
    chlorides
    X ray diffraction
    Exothermic reactions
    x rays
    exothermic reactions
    signal analysis
    particle size distribution

    Keywords

    • Solid electrolyte
    • Wet chemical synthesis
    • Yb-doped Ba(Ce,Zr)O

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Chemical Engineering(all)
    • Materials Chemistry

    Cite this

    Synthesis of Yb-doped Ba(Ce,Zr)O3 ceramic powders by sol-gel method. / Osman, N.; Jani, A. M.; Talib, I. A.

    In: Ionics, Vol. 12, No. 6, 12.2006, p. 379-384.

    Research output: Contribution to journalArticle

    Osman, N. ; Jani, A. M. ; Talib, I. A. / Synthesis of Yb-doped Ba(Ce,Zr)O3 ceramic powders by sol-gel method. In: Ionics. 2006 ; Vol. 12, No. 6. pp. 379-384.
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