A general approach to porous crystalline TiO2, SrTiO3, and BaTiO3 spheres.
A general approach to porous crystalline TiO2, SrTiO3, and BaTiO3 spheres.
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DOI：
10.1021/jp061597t
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发表时间：
2006-06
期刊：
影响因子：
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通讯作者：
Yawen Wang;Hua Xu;Xiaobing Wang;Xi Zhang;Huimin Jia;Lizhi Zhang;J. Qiu
中科院分区：
文献类型：
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作者：
Yawen Wang;Hua Xu;Xiaobing Wang;Xi Zhang;Huimin Jia;Lizhi Zhang;J. Qiu
单分散多孔结晶TiO(2)、SrTiO(3)和BaTiO(3)球是通过一步水热法从无定形TiO(2)球生产的。通过扫描电子显微镜 (SEM)、透射电子显微镜 (TEM)、X 射线衍射 (XRD) 和氮吸附测量对所得样品进行表征。根据表征结果，我们根据类似于柯肯达尔效应的机制提出了这些多孔球的形成过程。这项研究提供了合成多孔二氧化钛基球的通用方法。
Monodispersed porous crystalline TiO(2), SrTiO(3), and BaTiO(3) spheres were produced through a one-step hydrothermal process from amorphous TiO(2) spheres. The resulting samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and nitrogen sorption measurements. On the basis of the characterization results, we proposed a formation process of these porous spheres according to a mechanism analogous to the Kirkendall effect. This study provides a general way to synthesize porous titania-based spheres.