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首页> 外文期刊>Crystal growth & design >Fabrication of BaTiO_3-carbon nanocomposite and porous BaTiO _3
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Fabrication of BaTiO_3-carbon nanocomposite and porous BaTiO _3

机译：BaTiO_3-碳纳米复合材料和多孔BaTiO_3的制备

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A novel nanocomposite was fabricated by introducing BaTiO_3 into mesoporous carbon CMK-3 with hexagonal porous structure and pore size around 3.4 nm. Nanosized BaTiO_3 crystallites were fully dispersed and confined in the channels of CMK-3. This is the first combination of conventional ferroelectrics with newly developed mesoporous carbon materials. Furthermore, the carbon matrix was thermally removed in oxygen atmosphere to form unique nanoporous structures with the framework of crystalline BaTiO_3. The particle morphology evolution from CMK-3 to BaTiO_3-CMK-3, and then to porous BaTiO_3, was followed by high-resolution scanning electron microscopy (HRSEM). Although this work was aimed at preparation, the present nanocomposite of conductive amorphous carbon and insulate crystalline ferroelectrics, as well as the nanoporous BaTiO_3, are expected to have interesting properties in areas such as power storage, microwave adsorbing, and gas sensor.
机译：通过将BaTiO_3引入具有六边形多孔结构和孔径约3.4 nm的介孔碳CMK-3中，制备了一种新型的纳米复合材料。纳米BaTiO_3微晶完全分散并限制在CMK-3通道中。这是常规铁电体与新开发的中孔碳材料的首次结合。此外，碳基质在氧气气氛中被热去除，以形成具有结晶BaTiO_3框架的独特的纳米孔结构。颗粒形态从CMK-3演化为BaTiO_3-CMK-3，然后演化为多孔BaTiO_3，然后进行高分辨率扫描电子显微镜（HRSEM）。尽管这项工作的目的是制备，但目前的导电无定形碳和绝缘的结晶铁电体的纳米复合材料以及纳米多孔BaTiO_3有望在蓄电，微波吸附和气体传感器等领域具有令人感兴趣的性能。

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