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Template Deformation‐Tailored ZnO Nanorod/Nanowire Arrays: Full Growth Control and Optimization of Field‐Emission

Zeng, Haibo, Xu, Xijin, Bando, Yoshio, Gautam, Ujjal K., Zhai, Tianyou, Fang, Xiaosheng, Liu, Baodan, Golberg, Dmitri·2009·Advanced Functional Materials

Abstract

Here, a facile and effective route toward full control of vertical ZnO nanorod (NR)/nanowire (NW) arrays in centimeter‐scale areas and considerable improvement of field‐emission (FE) performance is reported. Controlled deformation of colloidal crystal monolayer templates is introduced by heating near glass‐transition temperature. The NR/NW density, uniformity, and tapering were all adjusted through selection of template size and deformation, and electrolyte composition. In line with the adjustments, the field‐emission performance of the arrays is significantly improved. A low turn‐on electric field of 1.8 V µm−1, a field‐enhancement factor of up to 5 750, and an emitting current density of up to 2.5 mA cm−2 were obtained. These improved parameters would benefit their potential application in cold‐cathode‐based electronics.

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Metadata

Authors
Zeng, H., Xu, X., Bando, Y., Gautam, U. K., Zhai, T., Fang, X., Liu, B., & Golberg, D.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2009-10-05
Volume
19
Issue
19
Pages
3165-3172
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2081769447
Cited by
233
References
0
FWCI
13.08
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Template Deformation‐Tailored ZnO Nanorod/Nanowire Arrays: Full Growth Control and Optimization of Field‐Emission. https://app.cochat.ai/papers/10.1002/adfm.200900714
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Zeng, H., Xu, X., Bando, Y., Gautam, U. K., Zhai, T., Fang, X., Liu, B., & Golberg, D. (2009). Template Deformation‐Tailored ZnO Nanorod/Nanowire Arrays: Full Growth Control and Optimization of Field‐Emission. Advanced Functional Materials. https://doi.org/10.1002/adfm.200900714

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