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Improving the field-emission properties of carbon nanotubes by magnetically controlled nickel-electroplating treatment |
Zheng Long-Wu(郑隆武), Hu Li-Qin(胡利勤), Xiao Xiao-Jing(肖晓晶), Yang Fan(杨帆), Lin He(林贺), and Guo Tai-Liang(郭太良)† |
Institute of Optoelectronic Display Technology, School of Physics and Information Engineering, Fuzhou University, Fuzhou 350002, China |
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Abstract A novel magnetically controlled Ni-plating method has been developed to improve the field-emission properties of carbon nanotubes (CNTs). The effect of the magnetic field and Ni-electroplating on CNT field-emission properties was investigated, and the results are demonstrated using scanning electron microscopy, J-E and the duration test. After treatment, the turn-on electric field declines from 1.55 to 0.91 V/μm at an emission current density of 100 μA/cm2, and the emission current density increases from 0.011 to 0.34 mA/cm2 at an electric field of 1.0 V/μm. Both the brightness and uniformity of the CNT emission performance are improved after treatment.
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Received: 19 May 2011
Revised: 28 June 2011
Accepted manuscript online:
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PACS:
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85.45.Fd
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(Field emission displays (FEDs))
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88.30.rh
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(Carbon nanotubes)
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82.45.-h
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(Electrochemistry and electrophoresis)
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Fund: Project supported by the National High Technology Research and Development Program of China (Grant No. 2008AA03A313) and the Natural Science Foundation of Fujian Province of China (Grant No. 2009J05145). |
Cite this article:
Zheng Long-Wu(郑隆武), Hu Li-Qin(胡利勤), Xiao Xiao-Jing(肖晓晶), Yang Fan(杨帆), Lin He(林贺), and Guo Tai-Liang(郭太良) Improving the field-emission properties of carbon nanotubes by magnetically controlled nickel-electroplating treatment 2011 Chin. Phys. B 20 128502
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