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Large-scale synthesis and field emission properties of vertically oriented CuO nanowire films
Open accessAbstract
Using a simple method of direct heating of bulk copper plates in air, oriented CuO nanowire films were synthesized on a large scale. The length and density of nanowires could be controlled by growth temperature and growth time. Field emission (FE) measurements of CuO nanowire films show that they have a low turn-on field of 3.5–4.5 V µm −1 and a large current density of 0.45 mA cm −2 under an applied field of about 7 V µm −1 . By comparing the FE properties of two types of samples with different average lengths and densities (30 µm, 10 8 cm −2 and 4 µm, 4 × 10 7 cm −2 , respectively), we found that the large length–radius ratio of CuO nanowires effectively improved the local field, which was beneficial to field emission. Verified with finite element calculation, the work function of oriented CuO nanowire films was estimated to be 2.5–2.8 eV.
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Cited by
Influence of humidity on CO sensing with p-type CuO thick film gas sensors
Hübner, M., Simion, C. E., Tomescu-Stănoiu, A., Pokhrel, S., Bârsan, N., & Weimar, U. (2011) · Sensors and Actuators B: Chemical · doi:10.1016/j.snb.2010.10.046 · Cited by 580
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
Metadata
- Authors
- Zhu, Y. W., Yu, T., Cheong, F. C., Xu, X. J., Lim, C. T., Tan, V. B. C., Thong, J. T. L., & Sow, C. H.
- Venue
- Nanotechnology
- Publisher
- IOP Publishing
- Published
- 2004-12-03
- Volume
- 16
- Issue
- 1
- Pages
- 88-92
- ISSN
- 0957-4484 (ISSN-L)
- 1361-6528
- OpenAlex
- W2130275555
- Cited by
- 359
- References
- 0
- FWCI
- 6.67
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Zhu, Y. W., Yu, T., Cheong, F. C., Xu, X. J., Lim, C. T., Tan, V. B. C., Thong, J. T. L., & Sow, C. H. (2005). Large-scale synthesis and field emission properties of vertically oriented CuO nanowire films. Nanotechnology. https://doi.org/10.1088/0957-4484/16/1/018
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