Field Emission Properties of ZnO Nanorods Synthesized by Aqueous Solutions

Bo Gao; Hai Ming Zhang; Yan Jun Zhu; Yu Jie Li; Guo Feng Hu

doi:10.4028/www.scientific.net/MSF.663-665.33

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HomeMaterials Science ForumMaterials Science Forum Vols. 663-665Field Emission Properties of ZnO Nanorods...

Field Emission Properties of ZnO Nanorods Synthesized by Aqueous Solutions

Abstract:

In this paper, we introduce a simple and effective method to prepare ZnO nanorods using aqueous solutions. The morphology and structure properties of ZnO nanorods were investigated using scanning electron microscopy (SEM), X-ray diffraction (XRD) and photoluminescence (PL). The SEM results indicated that the diameter of ZnO nanoroads was about 100 nm. The XRD pattern showed that the ZnO nanorods had high-purity wuruzite structure. The PL spectrum revealed that ZnO nanorods had a strong visible emission at 423 nm. The field emission (FE) properties of ZnO nanorods were also studied. The FE results showed that the turn-on field and threshold field were 24V/μm and 39V/μm, respectively.

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Materials Science Forum (Volumes 663-665)

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33-36

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.663-665.33

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Online since:

November 2010

Authors:

Bo Gao, Hai Ming Zhang, Yan Jun Zhu, Yu Jie Li, Guo Feng Hu

Keywords:

Aqueous Solution, Field Emission, ZnO Nanorod

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