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Enhanced field emission of composite Au nanostructured network on Si nanoporous pillar array

机译:Si纳米多孔柱阵列上复合Au纳米结构网络的增强场致发射

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摘要

Nanocrystallites Au particles are deposited on a well-aligned silicon nanoporous pillar (Si-NPA) surface through immersion plating to form an Au/Si-NPA composite system. It is found that a large number of Au nanoparticles are accumulated on the bottom of Si pillars to form a regular network structure. By studying the field emission properties of such an Au/Si-NPA composite system, we find that the Au/Si-NPA exhibits good field emission properties, with staring field about 2 V/mu m and emission current density 67 mu A/cm(2) at 7.59 V/mu m. The enhanced field emission can be deduced from the unique morphology and structure of Au/Si-NPA.
机译:纳米微晶Au颗粒通过浸镀沉积在排列良好的硅纳米多孔柱(Si-NPA)表面上,形成Au / Si-NPA复合系统。发现大量的Au纳米颗粒聚集在Si柱的底部以形成规则的网络结构。通过研究这种Au / Si-NPA复合系统的场发射特性,我们发现Au / Si-NPA具有良好的场发射特性,凝视场约为2 V /μm,发射电流密度为67μA / cm。 (2)为7.59 V /μm。增强的场发射可以从Au / Si-NPA的独特形貌和结构中得出。

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