A low temperature synthesis of crystalline B4C ultrafine powders

Liang Shi, Yunle Gu, Luyang Chen, Yitai Qian, Zeheng Yang, Jianhua Ma

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    72 Citations (Scopus)

    Abstract

    B4C ultrafine powders were successfully synthesized at 450 °C through a new co-reduction route. The synthesis was carried out in an autoclave by using BBr3 and CCl4 as the reactants and metallic Na as the co-reductant. The X-ray powder diffraction pattern and Raman spectra indicate the formation of B4C. An atomic ratio of B to C of 4.09:1.0 was determined from X-ray photoelectron spectra. Transmission electron microscopy images shows that typical B4C crystallites are composed of uniform ultrafine spherical and rod-like particles.

    Original languageEnglish
    Pages (from-to)5-7
    Number of pages3
    JournalSolid State Communications
    Volume128
    Issue number1
    DOIs
    Publication statusPublished - 2003 Oct

    Keywords

    • A. Boron carbide
    • B. Chemical synthesis
    • C. Transmission electron microscopy
    • C. X-ray diffraction

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Materials Chemistry

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