采用电泳法将碳纳米管组装到电化学淀积的银台阵列上作为场发射阴极并研究了它的场发射特性.场发射特性测试结果表明:该阴极具有优异的场发射特性,开启电场为2.8V/μm,在应用电场为5.5V/μm时,发射电流密度达到1.7mA/cm2.具有优异的发射性能的原因可以归结到银台的边缘和银台类山状的表面增强了碳纳米管的场致电子发射.该阴极制备工艺简单、发射特性优异,且容易实现大面积制备,可以应用到大面积场发射显示器件中.
参考文献
| [1] | Deheer WA;Chatelain A;Ugarte D .A CARBON NANOTUBE FIELD-EMISSION ELECTRON SOURCE[J].Science,1995(5239):1179-1180. |
| [2] | Saito R;Fujita M;Dreaaelhaus G et al.Electronic atructure of chiral graphene tububles[J].Applied Physics Letters,1992,60:2204-2206. |
| [3] | Choi W B;Chung D S;Kallg J H et al.Fully seaJed.high-brightness carbon-nanotube field-emiSSion display[J].Applied Physics Letters,1999,75:3129-3131. |
| [4] | Zhang J;Yang G;Cheng Y;Gao B et al.Stationary scanning x-ray source based on carbon nanotube field emitters[J].Applied Physics Letters,2003,86:184104. |
| [5] | Hideki Sato;Koichi Hata;Hideto Miyake;Kazumasa Hiramatsu;Yahachi Saito .Selective growth of carbon nanotubes on silicon protrusions[J].Journal of Vacuum Science & Technology, B. Microelectronics and Nanometer Structures: Processing, Measurement and Phenomena,2005(2):754-758. |
| [6] | Chen T;Guo P S;Wang L L et al.Enhanced field emission property from hills-like and stars-like carbon nanotube films[J].proceedings of Asia display,2007,2:1773-1776. |
| [7] | Zhao HF;Song H;Li ZM;Yuan G;Jin YX .Electrophoretic deposition and field emission properties of patterned carbon nanotubes[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(1/4):242-244. |
| [8] | Lu W H;Song H;Jin Y X.Improved electron field emission form carbon nanotubes through a Ag micro-particle intermediation layer[J].Microelectronics Journal |
| [9] | Gadzuk J W;Plummer E W .Field Emission Energy Distribution(FEED)[J].Reviews of Modern Physics,1973,45:487-547. |
| [10] | Blanchard NP;Hatton RA;Silva SRP .Tuning the work function of surface oxidised multi-wall carbon nanotubes via cation exchange[J].Chemical Physics Letters,2007(1/3):92-95. |
| [11] | Nilsson L;Groening O;Emmenegger C et al.Soanning field emission from patterned carbon nanotube films[J].Applied Physics Letters,2000,76:2071-2073. |
| [12] | Lyth S M;Silva S R P .Field emission from multiwall carbon nanotubes On paper substrates[J].Applied Physics Letters,2005,90:173124. |
| [13] | Liu C;Tong Y;Cheng HM;Golberg D;Bando Y .Field emission properties of macroscopic single-walled carbon nanotube strands[J].Applied physics letters,2005(22):3114-1-3114-3-0. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%