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Simple hydrothermal synthesis and photocatalytic performance of coral-like BaTiO3 nanostructures

机译：珊瑚样BATIO3纳米结构的简单水热合成和光催化性能

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摘要

Coral-like BaTiO3 nanostructures were successfully synthesized via a simple hydrothermal route at 150 degrees C for 15 h employing BaCl2, tetrabutyl titanate [(C4H9O)(4)Ti] and NaOH as reactants without the assistance of any surfactant or template. The phase of the as-obtained BaTiO3 was characterized by X-ray powder diffraction (XRD). Energy dispersive spectrometry (EDS), scanning electron microscopy (SEM) and (high-resolution) transmission electron microscopy (TEM/HRTEM) were employed for the composition and morphology analyses of the final product. Some factors influencing the formation of the coral-like BaTiO3 nanostructures were investigated, including the amount of NaOH, the barium ion source, and the reaction temperature and time. Experiments showed that the as-prepared coral-like BaTiO3 nanostructures presented good photocatalytic activity for the degradation of methyl orange (MO) dye under the irradiation of artificial sunlight. It was found that the photocatalytic activity of the coral-like BaTiO3 nanostructures could be affected by the pH value of the system.
机译：珊瑚状钛酸钡的纳米结构物通过在150℃的水热简单路线成功地合成了用于使用氯化钡15小时，钛酸四丁酯[（C4H9O）（4）的Ti]和NaOH为没有任何表面活性剂或模板的协助反应物。通过X射线粉末衍射（XRD）的特征在于获得的BATIO3的相。能量分散光谱法（EDS），扫描电子显微镜（SEM）和（高分辨率）透射电子显微镜（TEM / HRTEM）用于最终产品的组成和形态分析。研究了影响形成珊瑚样BATIO3纳米结构的因素，包括NaOH，钡离子源和反应温度和时间。实验表明，制备的珊瑚样BATIO3纳米结构呈现出良好的光催化活性，用于在人工阳光照射下甲基橙（MO）染料的降解。发现珊瑚样BATIO3纳米结构的光催化活性可能受到系统的pH值的影响。

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  • 来源
    《RSC Advances》 |2015年第10期|共8页
  • 作者

    Ni Yonghong; Zheng Hangsong; Xiang Nannan; Yuan Kefeng; Hong Jianming;

  • 作者单位

    Anhui Normal Univ Anhui Lab Mol Based Mat Coll Chem &

    Mat Sci Key Lab Funct Mol Solids Educ Minist Anhui Key Lab Funct Mol Solids Wuhu 241000 Peoples R China;

    Anhui Normal Univ Anhui Lab Mol Based Mat Coll Chem &

    Mat Sci Key Lab Funct Mol Solids Educ Minist Anhui Key Lab Funct Mol Solids Wuhu 241000 Peoples R China;

    Anhui Normal Univ Anhui Lab Mol Based Mat Coll Chem &

    Mat Sci Key Lab Funct Mol Solids Educ Minist Anhui Key Lab Funct Mol Solids Wuhu 241000 Peoples R China;

    Anhui Normal Univ Anhui Lab Mol Based Mat Coll Chem &

    Mat Sci Key Lab Funct Mol Solids Educ Minist Anhui Key Lab Funct Mol Solids Wuhu 241000 Peoples R China;

    Anhui Normal Univ Anhui Lab Mol Based Mat Coll Chem &

    Mat Sci Key Lab Funct Mol Solids Educ Minist Anhui Key Lab Funct Mol Solids Wuhu 241000 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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