期刊
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
卷 15, 期 2, 页码 -出版社
NATL INST MATERIALS SCIENCE
DOI: 10.1088/1468-6996/15/2/025005
关键词
carbon nanotube; flexible transparent conducting film; flexible device material; supramolecular material
资金
- Low-Carbon Research Network (LCnet)
- Nanotechnology Platform Project (Molecules and Materials Synthesis) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
The fabrication of flexible transparent conducting films (TCFs) is important for the development of the next-generation flexible devices. In this study, we used double-walled carbon nanotubes (DWCNTs) as the starting material and described a fabrication method of flexible TCFs. We have determined in a quantitative way that the key factors are the length and the dispersion states of the DWCNTs as well as the weight-ratios of dispersant polymer/DWCNTs. By controlling such factors, we have readily fabricated a flexible highly transparent (94% transmittance) and conductive (surface resistivity = 320 Omega sq(-1)) DWCNT film without adding any chemical doping that is often used to reduce the surface resistivity. By applying a wet coating, we have succeeded in the fabrication of large-scale conducting transparent DWCNT films based on the role-to-role method.
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