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首页> 外文期刊>Materials Letters >Fabrication, microstructure and microwave absorption of multi-walled carbon nanotube decorated with CdS nanocrystal
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Fabrication, microstructure and microwave absorption of multi-walled carbon nanotube decorated with CdS nanocrystal

机译：CdS纳米晶修饰的多壁碳纳米管的制备，微结构和微波吸收

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摘要

In this work, CdS-MWCNT heterostructure was achieved via a one-step approach. CdS-MWCNT composites with wax matrix were prepared. The composites show high permittivity and excellent microwave absorption. Compared to the MWCNT composites, microwave absorption of the CdS-MWCNT composites with the same mass ratio increases to about 1-1.6 times, and the increment of bandwidth is over 1 GHz. The enhanced attenuation capacity arises from CdS nanocrystal and heterostructure interface. Cooperation of interface polarization and conductivity inside the composites increases the microwave attenuation of the composites. Furthermore, light weight is achieved due to the decreasing thickness of the CdS-MWCNT composites. The results suggest that the CdS-MWCNT composite is a highly promising candidate for microwave attenuation in many application fields.
机译：在这项工作中，CdS-MWCNT异质结构是通过一步法实现的。制备了具有蜡基的CdS-MWCNT复合材料。该复合材料显示出高介电常数和优异的微波吸收率。与MWCNT复合材料相比，相同质量比的CdS-MWCNT复合材料的微波吸收增加了约1-1.6倍，带宽增加超过1 GHz。增强的衰减能力来自CdS纳米晶体和异质结构界面。复合材料内部界面极化和电导率的配合增加了复合材料的微波衰减。此外，由于CdS-MWCNT复合材料厚度的减小，重量轻。结果表明，CdS-MWCNT复合材料是许多应用领域中微波衰减的极有希望的候选者。

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  • 来源
    《Materials Letters》 |2014年第15期|107-110|共4页
  • 作者

    Xi-Xi Wang; Ming-Ming Lu; Wen-Qiang Cao; Bo Wen; Mao-Sheng Cao;

  • 作者单位

    School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, PR China;

    School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, PR China;

    School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, PR China;

    School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, PR China;

    School of Material Science and Engineering, Beijing Institute of Technology, Beijing 100081, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cadmium sulfide; Carbon nanotubes; Permittivity; Microwave absorption; Microstructure;

    机译：硫化镉;碳纳米管;介电常数微波吸收;微观结构;

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