光反应性TiO2/Carbon纳米片复合材料的合成与表征
Synthesis and Characterization of Photoreactive TiO2/Carbon Nanosheet Composites
摘要：
我们报告原子层沉积的钛白碳纳米片模板和研究的影响，沉积后退火在氦气环境中使用不同的表征技术。使用原位X射线衍射观察退火后钛白涂层的结晶。通过扫描电子显微镜和先进的透射电子显微镜技术对薄膜的（微观）结构进行表征。我们的研究表明，原子层沉积处理和碳纳米片模板钛白层在氦气环境中的退火结果在多孔，纳米晶和光催化活性的钛白-碳纳米片复合膜的形成。此类复合材料适用于光催化和染料敏化太阳能电池应用。
英文摘要：
We report the atomic layer deposition of titanium dioxide on carbon nanosheet templates and investigate the effects of post-deposition annealing in a helium environment using different characterization techniques. The crystallization of the titanium dioxide coating upon annealing is observed using in-situ X-ray diffraction. The (micro)-structural characterization of the films is carried out by scanning electron microscopy and advanced transmission electron microscopy techniques. Our study shows that the annealing of the atomic layer deposition processed and carbon nanosheets templated titanium dioxide layers in helium environment results in the formation of a porous, nanocrystalline and photocatalytically active titanium dioxide-carbon nanosheet composite film. Such composites are suitable for photocatalysis and dye-sensitized solar cells applications.
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