High performance, freestanding and superthin carbon nanotube/epoxy nanocomposite films

被引：29

作者：

Li, Jinzhu ^{[1
]}

Gao, Yun ^{[2
]}

Ma, Wenjun ^{[3
]}

Liu, Luqi ^{[2
]}

Zhang, Zhong ^{[2
]}

Niu, Zhiqiang ^{[1
]}

Ren, Yan ^{[1
]}

Zhang, Xiaoxian ^{[4
,5
]}

Zeng, Qingshen ^{[4
,5
]}

Dong, Haibo ^{[1
]}

Zhao, Duan ^{[1
]}

Cai, Le ^{[1
]}

Zhou, Weiya ^{[1
]}

Xie, Sishen ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[2] Natl Ctr Nanosci & Technol, Beijing, Peoples R China

[3] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[4] Peking Univ, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R China

[5] Peking Univ, Dept Elect, Beijing 100871, Peoples R China

来源：

NANOSCALE | 2011年 / 3卷 / 09期

基金：

中国国家自然科学基金;

关键词：

MECHANICAL-PROPERTIES; COMPOSITES; FIBERS; MATRIX; EPOXY; STRAIN; PAPER;

D O I：

10.1039/c1nr10438a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We develop a facile, effective and filter free infiltration method to fabricate high performance, freestanding and superthin epoxy nanocomposite films with directly synthesized Sing-Walled Carbon Nanotubes (SWNTs) film as reinforcement skeleton. It is found that the thicknesses of the nanocomposite films can be easily controlled in the range of 0.5-3 mu m by dripping target amount of acetone diluted epoxy through the skeleton film. The consequent measurements reveal that the mechanical and electrical properties of SWNTs/epoxy nanocomposite films could be tailored in a quite wide range. For examples, the Young's modulus of nanocomposite films can be tuned from 10 to 30 GPa, and the electrical conductivity can be ranged from 1000 S.cm(-1) to be insulated. Moreover, high load transfer efficiency in the nanocomposite films is demonstrated by the measured ultrahigh Raman bands shift rate ( 30 +/- 5 cm(-1) /% strain) under strain. The high effective modulus is derived as 774 +/- 70 GPa for SWNTs inside this nanocomposite film.

引用

页码：3731 / 3736

页数：6

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