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Synthesis and characterization of Gd2Zr2O7 defect-fluorite oxide nanoparticles via a homogeneous precipitation-solvothermal method

机译:Gd2Zr2O7缺陷 - 氟盐氧化物纳米粒子通过均相沉淀 - 溶剂溶液的合成与表征

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摘要

Defect-fluorite structured Gd2Zr2O7 nanoparticles were successfully synthesized via a homogeneous precipitation-solvothermal method using urea as a precipitant. The obtained nanoparticles were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) analysis and transmission electron microscopy (TEM). Compared to the traditional solvothermal method, this homogeneous precipitation-solvothermal method has the advantage of producing nanoparticles with small grain sizes, a narrow sizedistribution, high surface areas and little agglomeration. Particularly, the mean crystallite size of Gd2Zr2O7 obtained by this method is 20-30 nm, providing a great opportunity of using these nanoparticles as starting nano-sized building blocks for low temperature preparation of homogeneous and dense ceramics.
机译:使用尿素作为沉淀剂,通过均匀沉淀 - 溶剂的方法成功地合成缺陷萤石结构Gd2ZR2O7纳米颗粒。 通过X射线衍射(XRD),傅里叶变换红外光谱(FT-IR),扫描电子显微镜(SEM),Brunauer-Emmett-Teller(BET)分析和透射电子显微镜(TEM)的所得纳米颗粒。 与传统的溶剂热法相比,这种均匀的沉淀 - 溶剂热法具有生产具有小晶粒尺寸的纳米颗粒,狭窄的大小写,高表面积和少量集聚的优点。 特别地,通过该方法获得的Gd2zR2O7的平均微晶尺寸为20-30nm,提供了使用这些纳米颗粒作为起始纳米大小构建块的机会,用于低温制备均匀和致密陶瓷。

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  • 来源
    《RSC Advances》 |2017年第87期|共6页
  • 作者单位

    Sichuan Univ Coll Phys Sci &

    Technol Chengdu 610064 Sichuan Peoples R China;

    Sichuan Univ Coll Phys Sci &

    Technol Chengdu 610064 Sichuan Peoples R China;

    Sichuan Univ Coll Phys Sci &

    Technol Chengdu 610064 Sichuan Peoples R China;

    Washington State Univ Dept Chem Pullman WA 99163 USA;

    Sichuan Univ Coll Phys Sci &

    Technol Chengdu 610064 Sichuan Peoples R China;

    Sichuan Univ Coll Phys Sci &

    Technol Chengdu 610064 Sichuan Peoples R China;

    Sichuan Univ Coll Phys Sci &

    Technol Chengdu 610064 Sichuan Peoples R China;

    Sichuan Univ Coll Phys Sci &

    Technol Chengdu 610064 Sichuan Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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