Controlled Growth of Carbon Nanotubes and its Field Emission Properties

樊志琴; 张兵临; 姚宁; 鲁占玲; 杨仕娥; 马丙现

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Controlled Growth of Carbon Nanotubes and its Field Emission Properties

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Uniform films of aligned carbon nanotubes were grown on a patterned Ni coated ceramic substrate by microwave plasma chemical vapour deposition(MWPCVD).A laser writing technique was used to make some patterns on the substrate.The controlled selective growth of nanotubes on the patterned substrate can be obtained directly during the reaction process in the MWPCVD chamber.The Raman spectrum shows a good graphitization of the carbon nanotubes.In the field emission test,turn-on field of 1 V/μm and emission current density of 5mA/cm2at 3.3 V/μm were achieved.

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《中国物理快报：英文版》 |2003年第11期|1991-1993|共3页
作者
樊志琴; 张兵临; 姚宁; 鲁占玲; 杨仕娥; 马丙现;
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Department of Physics,Zhengzhou University,Zhengzhou 450052;

Department of Mathematics and Physics,Zhengzhou Institute of Technology,Zhengzhou 450052;

Department of Physics,Zhengzhou University,Zhengzhou 450052;

Department of Physics,Zhengzhou University,Zhengzhou 450052;

Department of Physics,Zhengzhou University,Zhengzhou 450052;

Department of Physics,Zhengzhou University,Zhengzhou 450052;

Department of Physics,Zhengzhou University,Zhengzhou 450052;

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Controlled Growth of Carbon Nanotubes and its Field Emission Properties

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