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首页> 外文期刊>RSC Advances >Anisotropic terahertz response of stretch-aligned composite films based on carbon nanotube-SiC hybrid structures
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Anisotropic terahertz response of stretch-aligned composite films based on carbon nanotube-SiC hybrid structures

机译：基于碳纳米管-SiC杂化结构的拉伸取向复合膜的各向异性太赫兹响应

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摘要

Well-organized CNT-SiC hybrid structures were prepared by a floating catalytic chemical vapor deposition (CCVD) process. The aligned CNT-based composite materials were also fabricated by simply stretching. Gelatin and CNT-SiC hybrid structures were taken as the matrix and fillers, respectively. The alignment of CNT-SiC hybrids and anisotropic properties of the composite materials were discussed using the detection of THz time-domain spectroscopy technology. The results indicated that the anisotropic properties of CNT-SiC hybrid based composite films are better than the case of pure MWCNTs. The unique structure of the hybrids not only largely favors the dispersion of CNTs in a polymer matrix, but also favors the alignment of CNTs in the composites by stretching. The CNT-based composite films with further improvement in anisotropy are highly desirable for various modern applications in the electrical and optical industry (such as in polarizers).
机译：通过浮动催化化学气相沉积（CCVD）工艺制备了组织良好的CNT-SiC杂化结构。取向的基于CNT的复合材料也可以通过简单的拉伸来制造。明胶和CNT-SiC杂化结构分别作为基质和填料。利用太赫兹时域光谱技术的检测，讨论了碳纳米管-碳化硅杂化物的排列和复合材料的各向异性。结果表明，CNT-SiC杂化基复合薄膜的各向异性性能优于纯MWCNT。杂化物的独特结构不仅极大地促进了CNT在聚合物基质中的分散，而且还促进了CNT通过拉伸在复合材料中的排列。具有各向异性的进一步改善的基于CNT的复合膜对于电气和光学工业中的各种现代应用（例如在偏振器中）是非常期望的。

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