在镀铝硅片上电沉积Ni催化剂,采用催化热解法制备了多壁碳纳米管薄膜,反应气体为乙炔、氢气和氮气.实验表明在电沉积液中加入正硅酸乙酯作催化剂载体并进行退火后处理能有效减小碳纳米管管径,分析表明该纳米管直径在50~70nm间.测试了其场发射特性,其开启场强为8V/μm,最大发射电流密度为2mA/cm2,已基本满足场发射平面显示器对发射电流密度的要求.
参考文献
[1] | Helical I S .[J].Nature,1991,354:56. |
[2] | Iijima S;Ichihashi T .[J].Nature,1993,363:603. |
[3] | Xie S S;Li W Z;Pan Z W et al.[J].Materials Science and Engineering,2000,A286:11. |
[4] | Li DC.;Huang SM.;Mau AWH.;Wang ZL.;Dai LM. .Structure and growth of aligned carbon nanotube films by pyrolysis[J].Chemical Physics Letters,2000(5-6):349-355. |
[5] | Walt A de Heer;Bacsa W S .[J].科学(上海),1995,268:845. |
[6] | Collins P G;Zettl A .[J].Applied Physics Letters,1996,69(13):1969. |
[7] | Li Wenzhi;Xie Sishen et al.[J].Journal of Materials Science,1999,34:2745. |
[8] | Kwo J L;Tsou C C;Yokoyama M et al.[J].Journal of Vacuum Science and Technology B,2001,B19(02):23. |
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