采用电泳法在金属镍(Ni)丝表面沉积碳纳米管(CNT)材料,制备成CNT-Ni丝状阴极,并在圆柱形玻璃灯管中对其进行二极结构的场发射性能测试.结果表明,CNT材料呈网状结构均匀平铺于Ni丝表面,CNT-Ni丝状阴极具有良好的场发射性能,开启场强为0.82 V/μm;当阳压为3 400 V时,电流为2.3 mA,发光亮度达到7 500 cd/m2;阳压为4 000 V时,丝状阴极场发射电流连续测试10 h变化不大.
参考文献
| [1] | 吕文辉,宋航,金亿鑫,等.电泳淀积图形化碳纳米管场发射阴极及其场发射特性研究[J].真空科学与技术学报,2007,27(3):213-217. |
| [2] | Qin Y X,Hu M.Field emission properties of electrophoretic deposition carbon nanotubes film[J].Appl.Surface Science,2009,255(17):7618-7622. |
| [3] | Liu Y X,Liu J H,Zhu C C.Flame synthesis of carbon nanotubes for panel field emission lamp[J].Appl.Surface Science,2009,255(18):7985-7989. |
| [4] | Croci M,Arfaoui I,St(o)ckli T,et al.A fully sealed luminescent tube based on carbon nanotube field emission[J].Microelectronics Journal,2004,35(4):329-336. |
| [5] | Noury O,St(o)ckli T,Croci M,et al.Growth of carbon nanotubes on cylindrical wires by thermal chemical vapor deposition[J].Chem.Phys.Lett.,2001,346(5-6):349-355. |
| [6] | Sarangi D,Hierold C,Karimi A.Carbon nanotubes over metallic wires and its possible applications[J].Fullerenes,Nanotubes,and Carbon Nanostructures,2005,13:243-254. |
| [7] | Wei Y,Xiao L,Zhu F,et al.Cold linear cathodes with carbon nanotube emitters and their application in luminescent tubes[J].Nanotechnology,2007,18(32):325702-325706. |
| [8] | 许亚红,胡利勤,叶芸,等.热敷法制备丝状阴极及其在场发射中的应用[J].光电子·激光,2009,20(4):451-453. |
| [9] | 王莉莉,冯涛,林丽锋,等.电泳工艺制备阵列场发射阴极及其性能的研究[J].液晶与显示,2008,23(2);195-199. |
| [10] | 梅山孩,冯涛,孙卓,等.电泳电压对碳纳米管沉积薄膜及阴极场发射特性影响[J].液晶与显示,2008,23(4):473-478. |
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