High efficiency surface-conducted field emission from a ZnO nanotetrapod and MgO nanoparticle composite emitter

被引：12
|
作者：
Qu, Ke [1 ]
Li, Chi [1 ]
Hou, Kai [1 ]
Yang, Xiaxi [1 ]
Zhang, Jin [1 ]
Lei, Wei [1 ]
Zhang, Xiaobing [1 ]
Wang, Baoping [1 ]
Sun, X. W. [2 ]
机构：
[1] Southeast Univ, Sch Elect Sci & Engn, Display R&D Ctr, Nanjing 210096, Peoples R China
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 25期
关键词：
cathodes; field emitter arrays; II-VI semiconductors; magnesium compounds; nanocomposites; nanoparticles; nanotechnology; surface conductivity; triodes; wide band gap semiconductors; zinc compounds;
D O I：
10.1063/1.3046785
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report a surface-conducted field emitter made of a ZnO nanotetrapod and MgO nanoparticle composites with a high emission efficiency (similar to 100%) and current (3.77 mA at a gate voltage of 100 V and anode voltage of 1800 V). The fabrications of the triode structure with a 10x10pixel array and corresponding driving method have been proposed. The electron trajectories are simulated according to the structure. Individual pixel addressing can be achieved by a sequential scanning mode. Display of moving images employing this triode structure was demonstrated. The results are of significance to the development of ZnO based triode field emitters.
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