中国物理B ›› 2010, Vol. 19 ›› Issue (8): 88104-088104.doi: 10.1088/1674-1056/19/8/088104

• CROSS DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇    下一篇

A general surface-treatment-free approach to fabrication of alignment layers using a super-aligned carbon nanotube film template

付伟琦, 魏洋, 朱峰, 刘亮, 李群庆, 范守善   

  1. Department of Physics and Tsinghua–Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
  • 收稿日期:2010-02-22 修回日期:2010-03-03 出版日期:2010-08-15 发布日期:2010-08-15
  • 基金资助:
    Project supported by the National Basic Research Program of China (Grant Nos. 2005CB623606 and 2007CB935301) and the National Natural Science Foundation of China (Gant Nos. 10704044, 50825201, and 10721404).

A general surface-treatment-free approach to fabrication of alignment layers using a super-aligned carbon nanotube film template

Fu Wei-Qi(付伟琦), Wei Yang(魏洋), Zhu Feng(朱峰), Liu Liang(刘亮) Jiang Kai-Li(姜开利), Li Qun-Qing(李群庆), and Fan Shou-Shan(范守善)   

  1. Department of Physics and Tsinghua–Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
  • Received:2010-02-22 Revised:2010-03-03 Online:2010-08-15 Published:2010-08-15
  • Supported by:
    Project supported by the National Basic Research Program of China (Grant Nos. 2005CB623606 and 2007CB935301) and the National Natural Science Foundation of China (Gant Nos. 10704044, 50825201, and 10721404).

摘要: We develop a general approach to the fabrication of films with unidirectional grooves, such as silicon nitride, silicon dioxide and aluminium oxide, in which the surface is not required to be treated. Super-aligned carbon nanotube (SACNT) film may be used as a template and as sacrificial layer, which is subsequently removed by heating in an atmosphere of air. The unidirectional morphology of the SACNT film turns into a desired film, which is found to possess the ability to align liquid crystal molecules. This approach also features high efficiency, low cost and easy scaling-up for mass production.

Abstract: We develop a general approach to the fabrication of films with unidirectional grooves, such as silicon nitride, silicon dioxide and aluminium oxide, in which the surface is not required to be treated. Super-aligned carbon nanotube (SACNT) film may be used as a template and as sacrificial layer, which is subsequently removed by heating in an atmosphere of air. The unidirectional morphology of the SACNT film turns into a desired film, which is found to possess the ability to align liquid crystal molecules. This approach also features high efficiency, low cost and easy scaling-up for mass production.

Key words: super-aligned carbon nanotube film, alignment layer, template

中图分类号:  (Methods of micro- and nanofabrication and processing)

  • 81.16.-c
61.46.Fg (Nanotubes) 81.15.Gh (Chemical vapor deposition (including plasma-enhanced CVD, MOCVD, ALD, etc.)) 81.65.-b (Surface treatments) 85.60.Pg (Display systems)