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.

引用

页数：3

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