采用溶胶-凝胶法制备了碳纳米管/二氧化硅复合材料,并对复合材料的场发射特性进行了研究,结果表明:复合材料有很好的场发射特性,含有10%(质量分数)CNTs的复合材料开启场较低(0.98V/μm).研究了用稀HF溶液处理复合材料表面后场发射性能,发现场发射性能明显改善,开启场由0.98V/μm下降到0.73V/μm,发射电流为1mA/cm2时的电场由2.1V/μm下降到1.0V/μm.研究表明碳纳米管/二氧化硅复合材料非常适用于场发射平面显示器中的阴极.
参考文献
| [1] | 朱长纯,史永胜.场致发射显示器的现状与发展[J].真空电子技术,2002(05):15-17,26. |
| [2] | 成会明.纳米碳管制备结构物性及应用[M].北京:化学工业出版社,2000:28. |
| [3] | Ren Z F et al.Synthesis of large arrays of well-aligned carbon nanotubes on glass[J].Science,1998,282(5391):1105. |
| [4] | Pan Z W;Xie S S;Lu L et al.Tensile tests of ropes of very long aligned multiwall carbon nanotubes[J].Applied Physics Letters,1999,74(24):3152. |
| [5] | Bonard JM.;Klinke C.;Dean KA.;Coll BF. .Degradation and failure of carbon nanotube field emitters - art. no. 115406[J].Physical review, B. Condensed matter and materials physics,2003(11):5406-0. |
| [6] | 李年华,葛颂,丁或,徐军,冯孙齐,俞大鹏.多层纳米碳管膜的大面积可控制生长[J].物理,2001(11):665-667. |
| [7] | I. Alexandrou;E. Kymakis;G. A. J. Amaratunga .Polymer-nanotube composites: Burying nanotubes improves their field emission properties[J].Applied physics letters,2002(8):1435-1437. |
| [8] | 于利刚,柴扬,张耿民.碳纳米管与聚苯胺混合物的场发射[J].真空科学与技术学报,2005(z1):76-79,89. |
| [9] | 王琪琨,朱长纯,朱钧.用玻璃粉作粘结剂制备碳纳米管厚膜及其场发射特性[J].功能材料,2005(10):1600-1602. |
| [10] | Sawada A.;Iriguchi M.;Zhao WJ.;Ochiai C.;Takai M. .Emission site control in carbon nanotube field emitters by focused ion and laser irradiation[J].Journal of Vacuum Science & Technology, B. Microelectronics and Nanometer Structures: Processing, Measurement and Phenomena,2003(1):362-365. |
| [11] | Han J H;Choi S H;Lee T Y et al.Emission properties of carbon nanotubes grown on various catalytic layer-coated glass using plasma enhanced chemical vapor deposition with CO.USCA,2001.8.12～16[Z].IVMC,2001. |
| [12] | J. D. Hwang;K. F. Chen;L. H. Chan;Y. Y. Chang .Using infrared laser to enhance field emission of carbon nanotube[J].Applied physics letters,2006(3):033103-1-033103-3-0. |
| [13] | Yung J J;Swastik K;Saikat T et al.Aligned carbon nanotube-polymer hybrid architecturts for diverse flexible electronic application[J].Applied Physics Letters,2006,6(03):413. |
| [14] | Effect of length and spacing of vertically aligned carbon nanotubes on field emission properties[J].Applied physics letters,2003(20):3520-3522. |
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%