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α-Fe2O3 nanotubes-reduced graphene oxide composites as synergistic electrochemical capacitor materials
Abstract
We present a facile approach for the fabrication of a nanocomposite comprising α-Fe(2)O(3) nanotubes (NTs) anchored on reduced graphene oxide (rGO) for electrochemical capacitors (ECs). The hollow tubular structure of the α-Fe(2)O(3) NTs presents a high surface area for reaction, while the incorporation of rGO provides an efficient two-dimensional conductive pathway to allow fast, reversible redox reaction. As a result, the nanocomposite materials exhibit a specific capacitance which is remarkably higher (~7 times) than α-Fe(2)O(3) NTs alone. In addition, the nanocomposites show excellent cycling life and large negative potential window. These findings suggest that such nanocomposites are a promising candidate as negative electrodes in asymmetrical capacitors with neutral electrolytes.
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Citations
Cited by
Electrochemistry of Graphene and Related Materials
Ambrosi, A., Chua, C. K., Bonanni, A., & Pumera, M. (2014) · Chemical Reviews · doi:10.1021/cr500023c · Cited by 1,208
Xue, Y., & Wang, Y. (2020) · Nanoscale · doi:10.1039/d0nr02705g · Cited by 128
Metadata
- Authors
- Lee, K. K., Deng, S., Fan, H. M., Mhaisalkar, S., Tan, H. R., Tok, E. S., Loh, K. P., Chin, W. S., & Sow, C. H.
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2012
- Volume
- 4
- Issue
- 9
- Pages
- 2958
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2152224065
- Cited by
- 279
- References
- 0
- FWCI
- 9.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: α-Fe2O3 nanotubes-reduced graphene oxide composites as synergistic electrochemical capacitor materials. https://app.cochat.ai/papers/10.1039/c2nr11902a
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- Lee, K. K., Deng, S., Fan, H. M., Mhaisalkar, S., Tan, H. R., Tok, E. S., Loh, K. P., Chin, W. S., & Sow, C. H. (2012). α-Fe2O3 nanotubes-reduced graphene oxide composites as synergistic electrochemical capacitor materials. Nanoscale. https://doi.org/10.1039/c2nr11902a
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