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Morphological effects on the plasma-induced emission properties of large area zno nanorod arrays

Large area well-aligned ZnO nanorod arrays with different morphologies were fabricated by hydrothermal methods. The plasma-induced emission properties of ZnO nanorod arrays with different morphologies under a pulsed electric field were investigated. When the aspect ratios of nanorods increased, the... Full description

Journal Title: Journal of Physics D: Applied Physics 2009, Vol.42(21), p.215203 (5pp)
Main Author: Liao, Qingliang
Other Authors: Qi, Junjie , Yang, Ya , Huang, Yunhua , Zhang, Yue , Zhang, Zheng , Xia, Liansheng
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0022-3727 ; E-ISSN: 1361-6463 ; DOI: 10.1088/0022-3727/42/21/215203
Link: http://dx.doi.org/10.1088/0022-3727/42/21/215203
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recordid: iop10.1088/0022-3727/42/21/215203
title: Morphological effects on the plasma-induced emission properties of large area zno nanorod arrays
format: Article
creator:
  • Liao, Qingliang
  • Qi, Junjie
  • Yang, Ya
  • Huang, Yunhua
  • Zhang, Yue
  • Zhang, Zheng
  • Xia, Liansheng
subjects:
  • Nanostructure
  • Arrays
  • Nanomaterials
  • Nanocomposites
  • Zinc Oxide
  • Emission
  • Morphology
  • Electric Fields
  • Density
  • Current Density
  • High Density
  • Emission Analysis
  • Emitters
  • Cathodes
  • Plasmas
  • Strategy
  • Aspect Ratio
  • Emissions Control
  • Screening
  • Applied Physics (General) (So)
  • Article
ispartof: Journal of Physics D: Applied Physics, 2009, Vol.42(21), p.215203 (5pp)
description: Large area well-aligned ZnO nanorod arrays with different morphologies were fabricated by hydrothermal methods. The plasma-induced emission properties of ZnO nanorod arrays with different morphologies under a pulsed electric field were investigated. When the aspect ratios of nanorods increased, the emission currents of arrays were enhanced remarkably. As for the synthesized high density ZnO nanorod arrays, the emission currents of the nanorod arrays decreased with the increase in the nanorod densities owing to the screening effect. The plasma-induced emission properties of the ZnO nanorod arrays were improved by controlling the array morphologies. Under the pulsed electric field of 78Vµm 1 , the highest emission current density of the ZnO nanorod arrays reached 91.16Acm 2 . Moreover, the surface plasmas on the ZnO nanorod arrays with different morphologies were always distributed uniformly. The results of this study provide a design strategy for ZnO nanorod arrays, which are used as plasma-flashover cathode emitters.
language: eng
source:
identifier: ISSN: 0022-3727 ; E-ISSN: 1361-6463 ; DOI: 10.1088/0022-3727/42/21/215203
fulltext: fulltext
issn:
  • 0022-3727
  • 1361-6463
  • 00223727
  • 13616463
url: Link


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titleMorphological effects on the plasma-induced emission properties of large area zno nanorod arrays
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descriptionLarge area well-aligned ZnO nanorod arrays with different morphologies were fabricated by hydrothermal methods. The plasma-induced emission properties of ZnO nanorod arrays with different morphologies under a pulsed electric field were investigated. When the aspect ratios of nanorods increased, the emission currents of arrays were enhanced remarkably. As for the synthesized high density ZnO nanorod arrays, the emission currents of the nanorod arrays decreased with the increase in the nanorod densities owing to the screening effect. The plasma-induced emission properties of the ZnO nanorod arrays were improved by controlling the array morphologies. Under the pulsed electric field of 78Vµm 1 , the highest emission current density of the ZnO nanorod arrays reached 91.16Acm 2 . Moreover, the surface plasmas on the ZnO nanorod arrays with different morphologies were always distributed uniformly. The results of this study provide a design strategy for ZnO nanorod arrays, which are used as plasma-flashover cathode emitters.
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subjectNanostructure ; Arrays ; Nanomaterials ; Nanocomposites ; Zinc Oxide ; Emission ; Morphology ; Electric Fields ; Density ; Current Density ; High Density ; Emission Analysis ; Emitters ; Cathodes ; Plasmas ; Strategy ; Aspect Ratio ; Emissions Control ; Screening ; Applied Physics (General) (So) ; Article;
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abstractLarge area well-aligned ZnO nanorod arrays with different morphologies were fabricated by hydrothermal methods. The plasma-induced emission properties of ZnO nanorod arrays with different morphologies under a pulsed electric field were investigated. When the aspect ratios of nanorods increased, the emission currents of arrays were enhanced remarkably. As for the synthesized high density ZnO nanorod arrays, the emission currents of the nanorod arrays decreased with the increase in the nanorod densities owing to the screening effect. The plasma-induced emission properties of the ZnO nanorod arrays were improved by controlling the array morphologies. Under the pulsed electric field of 78Vµm 1 , the highest emission current density of the ZnO nanorod arrays reached 91.16Acm 2 . Moreover, the surface plasmas on the ZnO nanorod arrays with different morphologies were always distributed uniformly. The results of this study provide a design strategy for ZnO nanorod arrays, which are used as plasma-flashover cathode emitters.
doi10.1088/0022-3727/42/21/215203
date2009-11-07