Improving the field-emission properties of carbon nanotubes by magnetically controlled nickel-electroplating treatment

doi:10.1088/1674-1056/20/12/128502

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.

Keywords: carbon nanotubes magnetic field field emission Ni-electroplate

Received: 19 May 2011
Revised: 28 June 2011
Accepted manuscript online:

PACS:	85.45.Fd	(Field emission displays (FEDs))
	88.30.rh	(Carbon nanotubes)
	82.45.-h	(Electrochemistry and electrophoresis)

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).

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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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Improving the field-emission properties of carbon nanotubes by magnetically controlled nickel-electroplating treatment

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