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题名: Tuning carbon nanotube assembly for flexible, strong and conductive films
作者: Wang, YJ; Li, M; Gu, YZ; Zhang, XH(张骁华); Wang, SK; Li, QW(李清文); Zhang, ZG
通讯作者: Li, M
刊名: NANOSCALE
发表日期: 2015
DOI: 10.1039/c4nr06401a
卷: 7, 期:7, 页:7
收录类别: SCI
部门归属: 先进材料研究部
英文摘要: Carbon nanotubes are ideal scaffolds for designing and architecting flexible graphite films with tunable mechanical, electrical and thermal properties. Herein, we demonstrate that the assembly of aligned carbon nanotubes with different aggregation density and morphology leads to different mechanical properties and anisotropic electrical conduction along the films. Using drying evaporation under tension treatment, the carbon nanotubes can be assembled into strong films with tensile strength and Young's modulus as high as 3.2 GPa and 124 GPa, respectively, leading to a remarkable toughness of 54.38 J g(-1), greatly outperforming conventional graphite films, spider webs and even Kevlar fiber films. Different types of solvents may result in the assembly of CNTs with different aggregation morphology and therefore different modulus. In addition, we reveal that the high density assembly of aligned CNTs correlates with better electric conduction along the axial direction, enabling these flexible graphite films to be both strong and conductive.
语种: 英语
JCR小类分区: 一区
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3495
Appears in Collections:先进材料研究部_李清文团队_期刊论文

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Recommended Citation:
Wang, YJ,Li, M,Gu, YZ,et al. Tuning carbon nanotube assembly for flexible, strong and conductive films[J]. NANOSCALE,2015,7(7):7.
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