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Hydrothermal Synthesis and Optical, Magnetic, and Supercapacitance Properties of Nanoporous Cobalt Oxide Nanorods
Abstract
Nanoporous cobalt oxide nanorods were synthesized by a hydrothermal method. Transmission electron microscopy analysis showed that the individual Co 3 O 4 nanorods have a nanoporous structure, consisting of the textured aggregations of nanocrystals. Optical properties of Co 3 O 4 nanorods were characterized by Raman and UV−vis spectroscopy. Magnetic property measurement shows that Co 3 O 4 nanorods have a low Néel transition temperature of 35 K. We observed quite significant exchange bias for nanoporous Co 3 O 4 nanorods, indicating the existence of magnetic coupling between the nanocrystals in Co 3 O 4 nanorods. When applied as electrode materials in supercapacitors, Co 3 O 4 demonstrated a high capacitance of 280 F/g.
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Citations
Cited by
Justin, P., Meher, S. K., & Rao, G. R. (2010) · The Journal of Physical Chemistry C · doi:10.1021/jp9097155 · Cited by 310
Al-Sherbini, A.-S. A., Ghannam, H. E. A., El-Ghanam, G. M. A., El-Ella, A. A., & Youssef, A. M. (2019) · Heliyon · doi:10.1016/j.heliyon.2019.e01980 · Cited by 119
Metadata
- Authors
- Wang, G., Shen, X., Horvat, J., Wang, B., Liu, H., Wexler, D., & Yao, J.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-02-20
- Volume
- 113
- Issue
- 11
- Pages
- 4357-4361
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2159396315
- Cited by
- 430
- References
- 0
- FWCI
- 8.10
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, G., Shen, X., Horvat, J., Wang, B., Liu, H., Wexler, D., & Yao, J. (2009). Hydrothermal Synthesis and Optical, Magnetic, and Supercapacitance Properties of Nanoporous Cobalt Oxide Nanorods. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp8106149
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