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Efficient field emission from ZnO nanoneedle arrays
Abstract
Well-aligned arrays of ZnO nanoneedles were fabricated using a simple vapor phase growth. The diameters of the nanoneedle tips are as small as several nanometers, which is highly in favor of the field emission. Field-emission measurements using the nanoneedle arrays as cathode showed emission current density as high as 2.4 mA/cm2 under the field of 7 V/μm, and a very low turn-on field of 2.4 V/μm. Such a high emission current density is attributed to the high aspect ratio of the nanoneedles. The high emission current density, high stability, and low turn-on field make the ZnO nanoneedle arrays one of the promising candidates for field-emission displays.
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Citations
Cited by
One-dimensional ZnO nanostructures: Solution growth and functional properties
Xu, S., & Wang, Z. L. (2011) · Nano Research · doi:10.1007/s12274-011-0160-7 · Cited by 1,361
Semiconductor Nanowires: From Self‐Organization to Patterned Growth
Fan, H. J., Werner, P., & Zacharias, M. (2006) · Small · doi:10.1002/smll.200500495 · Cited by 759
One-dimensional inorganic nanostructures: synthesis, field-emission and photodetection
Zhai, T., Li, L., Ma, Y., Liao, M., Wang, X., Fang, X., Yao, J., Bando, Y., & Golberg, D. (2011) · Chemical Society Reviews · doi:10.1039/c0cs00126k · Cited by 373
Mechanism of ZnO Nanotube Growth by Hydrothermal Methods on ZnO Film-Coated Si Substrates
Sun, Y., Riley, D. J., & Ashfold, M. N. R. (2006) · The Journal of Physical Chemistry B · doi:10.1021/jp062299z · Cited by 281
ZnO nanoneedles with tip surface perturbations: Excellent field emitters
Li, Y. B., Bando, Y., & Golberg, D. (2004) · Applied Physics Letters · doi:10.1063/1.1738174 · Cited by 275
Metadata
- Authors
- Zhu, Y. W., Zhang, H. Z., Sun, X. C., Feng, S. Q., Xu, J., Zhao, Q., Xiang, B., Wang, R. M., & Yu, D. P.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2003-07-07
- Volume
- 83
- Issue
- 1
- Pages
- 144-146
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2094847772
- Cited by
- 511
- References
- 0
- FWCI
- 22.68
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhu, Y. W., Zhang, H. Z., Sun, X. C., Feng, S. Q., Xu, J., Zhao, Q., Xiang, B., Wang, R. M., & Yu, D. P. (2003). Efficient field emission from ZnO nanoneedle arrays. Applied Physics Letters. https://doi.org/10.1063/1.1589166
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