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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Surface-conducted field emission electron sources with ZnO emitters of different morphologies
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Surface-conducted field emission electron sources with ZnO emitters of different morphologies

机译：具有不同形态的ZnO发射器的表面传导场发射电子源

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Surface-conducted field emission electron sources using ZnO nanostructures as surface-conducted emitters have been successfully fabricated, where the linear cathode and gate electrodes were interdigitated and paralleled on the same plane and ZnO emitters with different morphologies were deposited in the gap between the cathode and gate electrode. Field emission investigations indicate that the turn-on voltage of the fabricated SCFE electron sources with ZnO nanorods, ZnO nanotubes, and ZnO nanocones modifies from 260 V to 220 V at the anode voltage of 2 kV. The emission efficiency of SCFE electron source with ZnO nanocones is as large as 43.6%, which is much higher than that of SCFE electron sources with ZnO nanorods and nanotubes at the gate voltage of similar to 300 V. The whole surface emission of the fabricated electron source with ZnO nanocones on the fluorescent screen is more homogeneous than that of the electron sources with ZnO nanorods and nanotubes. (C) 2016 Elsevier B.V. All rights reserved.
机译：已经成功地制造了使用ZnO纳米结构作为表面传导发射器的表面传导场发射电子源，其中线性阴极和栅电极在同一平面上相互交叉并平行，并且在阴极和阴极之间的间隙中沉积了具有不同形态的ZnO发射器。栅电极。场发射研究表明，在2 kV阳极电压下，带有ZnO纳米棒，ZnO纳米管和ZnO纳米锥的SCFE电子源的开启电压会从260 V变为220V。具有ZnO纳米锥的SCFE电子源的发射效率高达43.6％，远高于具有ZnO纳米棒和纳米管的SCFE电子源在300 V的栅极电压下的发射效率。所制造电子的整个表面发射荧光屏上带有ZnO纳米锥的离子源比带有ZnO纳米棒和纳米管的电子源更均匀。 （C）2016 Elsevier B.V.保留所有权利。

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