从ZnO纳米线的生长机制出发,重点讨论了催化剂在制备过程中的作用,比较了采用VLS和VS不同机制生长ZnO纳米线的优缺点,并结合二者特点发现采用金属自催化将是制备高质量ZnO纳米线阵列的一种有效方法.分析了几种有利于提高其场发射性能的后处理方法,经过适当的后处理ZnO纳米线晶体的结构将更加完善,场发射开启场、阈值场将进一步降低,电流密度和场增强因子也将随之大大提高.
参考文献
| [1] | 崔云康.碳纳米管阴极和氧化锌阴极的放气特性研究[A].北京:中国学术期刊电子出版社,2007:58. |
| [2] | 倪星元.纳米材料制备技术[M].北京:化学工业出版社,2007:201. |
| [3] | Kim TY;Kim JY;Kumar MS;Suh EK;Nahm KS .Influence of ambient gases on the morphology and photoluminescence of ZnO nanostructures synthesized with nickel oxide catalyst[J].Journal of Crystal Growth,2004(3/4):491-497. |
| [4] | Gao P X;Wang Z L .Nanopropeller arrays of zinc oxide[J].Applied Physics Letters,2004,84:2883. |
| [5] | Huang M H et al.Room-temperature ultravilet nanowire nanolasers[J].Science,2001,292:1897. |
| [6] | Fan HJ;Fuhrmann B;Scholz R;Syrowatka F;Dadgar A;Krost A;Zacharias M .Well-ordered ZnO nanowire arrays on GaN substrate fabricated via nanosphere lithography[J].Journal of Crystal Growth,2006(1):34-38. |
| [7] | Zhang Y S et al.Patterned growth and field emission of ZnO nanowires[J].Materials Letters,2006,60:522. |
| [8] | Seu Yi Li;Pang Lin;Chia Ying Lee .Field emission and photoluminescence of ZnO nanostructure on ZnO nanocrystal substrates[J].Applied Physics Letters,2004,84:2658. |
| [9] | Frank L Hereford .Intensity of heavily ionizing penertrating particles at 4300-meter altitude[J].Physical Review,1949,75:923. |
| [10] | Umar A et al.Non-catalytic growth of high aspect ZnO nanowires by thermal evaporation[J].Solid State Communications,2006,139:447. |
| [11] | Sekar A;Kim SH;Umar A;Hahn YB .Catalyst-free synthesis of ZnO nanowires on Si by oxidation of Zn powders[J].Journal of Crystal Growth,2005(1/4):471-478. |
| [12] | Ham H;Shen GZ;Cho JH;Lee TJ;Seo SH;Lee CJ .Vertically aligned ZnO nanowires produced by a catalyst-free thermal evaporation method and their field emission properties[J].Chemical Physics Letters,2005(1/3):69-73. |
| [13] | Ha B;Ham H;Lee CJ .Photoluminescence of ZnO nanowires dependent on O-2 and Ar annealing[J].The journal of physics and chemistry of solids,2008(10):2453-2456. |
| [14] | Wang WW;Zhang GM;Yu LG;Bai X;Zhang ZX;Zhao XY .Field emission properties of zinc oxide nanowires fabricated by thermal evaporation[J].Physica, E. Low-dimensional systems & nanostructures,2007(1):86-91. |
| [15] | Xiao J et al.Field emission from zinc oxide nanostructure and its degradation[J].Vacuum,2009,83:265. |
| [16] | Fang F et al.The influence of growth temperature on ZnO nanowires[J].Materials Letters,2008,62:1092. |
| [17] | 李艳霞,范希梅,周祚万.氧化锌低维结构材料场发射性能研究进展[J].材料导报,2007(03):13-16. |
| [18] | 殷晓伟.碳纳米管冷阴极的制备及其场发射测试[A].北京:中国学术期刊电子出版社,2007:44. |
| [19] | Lee CJ.;Lee TJ.;Lyu SC.;Zhang Y.;Ruh H.;Lee HJ. .Field emission from well-aligned zinc oxide nanowires grown at low temperature[J].Applied physics letters,2002(19):3648-3650. |
| [20] | Zhu Y W;Zhang H Z;Sun X C et al.Efficient field emission from ZnO nanoneedle array[J].Applied Physics Letters,2003,83:144. |
| [21] | Wan Q;Yu K;Wang T H et al.ZnO nanowires formed on tungsten substrates and their electron field emission properties[J].Applied Physics Letters,2003,83:1096. |
| [22] | Zhang Y;Huang Y H;He J.Quasi one-dimensional ZnO nanostuctures fabricated without catalyst at lower temperature[J].Frontiers of Physics in China,2006(01):72. |
| [23] | Wan Q;Lin C L;Yu X B .Room-temperature hydrogen storage characteristics of ZnO nanowires[J].Applied Physics Letters,2004,84:124. |
| [24] | Zhao Q;Zhang HZ;Zhu YW;Feng SQ;Sun XC;Xu J;Yu DP .Morphological effects on the field emission of ZnO nanorod arrays[J].Applied physics letters,2005(20):3115-1-3115-3-0. |
| [25] | Xu C X;Sun X W et al.Field emission from gallium dopedzinc oxide nanofiber array[J].Applied Physics Letters,2004,84:1540. |
| [26] | Lee C Y;Tseng T Y;Li S Y et al.Effect of phosphorus dopant on photoluminescence and field-emission characteristics of MgZnO nanowires[J].Journal of Applied Physics,2006,99:24303. |
| [27] | 范新会,于灵敏,严文,朱长纯.ZnO纳米线在外加电场下的生长及场发射性能[J].华中科技大学学报（自然科学版）,2007(10):98-100. |
| [28] | Mai, WJ;Gao, PX;Lao, CS;Wang, ZL;Sood, AK;Polla, DL;Soprano, MB .Vertically aligned ZnO nanowire arrays on GaN and SiC substrates[J].Chemical Physics Letters,2008(1/3):253-256. |
| [29] | Xiao J et al.Field emission from zinc oxide manowire arrays grown directly from brass[J].physica E,2008,10:1016. |
| [30] | Zhang, N;Yu, K;Zhang, YS;Bai, W;Zhu, ZQ .Patterned growth of ZnO nanorods and their field emission properties[J].Current applied physics: the official journal of the Korean Physical Society,2009(1):34-38. |
| [31] | Li M K et al.Morphology and field emission from ZnO nanowires arrays synthesized at different temperature[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2007,452-453:417. |
| [32] | Pimenov S M et al.Electron field emission from semiconducting nanowires[J].Diamond and Related Materials,2008,17:758. |
| [33] | Yang YH;Wang CX;Wang B;Xu NS;Yang GW .ZnO nanowire and amorphous diamond nanocomposites and field emission enhancement[J].Chemical Physics Letters,2005(4-6):248-251. |
| [34] | Jo SH;Banerjee D;Ren ZF .Field emission of zinc oxide nanowires grown on carbon cloth[J].Applied physics letters,2004(8):1407-1409. |
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%