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硝酸铁浓度对石墨片上生长的碳纳米管场发射性能的影响(英文)

Field Emission Properties of CNTs Grown on Graphite Immersed in Different Concentrations of Fe(NO33 Solutions by Chemical Vapor Deposition

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【作者】 张燕萍高阳张哲娟潘丽坤王莉莉孙卓黄士勇

【Author】 ZHANG Yan-ping, GAO Yang, ZHANG Zhe-juan, PAN Li-kun, WANG Li-li,SUN Zhuo,HUANG Shi-yong(Engineering Research Center for Nanophotonics & Advanced Instrument, Ministry of Education, East China Normal University,Shanghai 200062, China)

【机构】 华东师范大学纳光电集成与先进装备教育部工程研究中心华东师范大学纳光电集成与先进装备教育部工程研究中心 上海200062上海200062

【摘要】 石墨衬底先分别浸泡于0.1~1mol/L不同浓度的硝酸铁溶液后,采用低压化学气相沉积法于700℃在石墨衬底上生长碳纳米管薄膜。根据扫描电子显微镜照片及拉曼光谱分析碳纳米管的形貌和构成。碳纳米管的场发射性能的研究采用标准电流-电压测试。浸泡于0.6mol/L硝酸铁溶液的石墨片上所生长的碳纳米管的场发射性能最佳。

【Abstract】 Carbon nanotubes films were deposited on flat graphite substrates by low pressure chemical vapor deposition at 700 ℃. The graphite was immersed in Fe(NO3)3 solution with different concentrations ranging from 0.1 mol/L to 1 mol/L,respectively. The morphologies and structures of the CNTs films were investigated by scanning electron microscopy and Raman spectroscopy. Field emission properties of the CNTs were analyzed by standard current-voltage measurement. The optimized field emission behavior is found from the CNTs grown on the graphite substrate immersed in 0.6 mol/L Fe(NO3)3 solution.

【基金】 Supported by National Nature Science Foundation of China ( No .60477003) ;Projects fromthe Shanghai ScienceTechnology Committee (No .0552nm006 , No .0652nm033) ;Shanghai Pujiang Program ( No .05PJ14320) ;KeyProject of Photonic Technology (No .06DZ11404) ; Development Program of High Technology and Innovation ofShanghai Economic Committee Key Project of EXPO Plan ( No .05dz05803) ; Project of Key Laboratory ofAdvanced Display and System Applications (Shanghai University ) Ministry of Education ,China(No .P200503)
  • 【文献出处】 液晶与显示 ,Chinese Journal of Liquid Crystals and Displays , 编辑部邮箱 ,2007年04期
  • 【分类号】TB383.1
  • 【被引频次】2
  • 【下载频次】107
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