Please use this identifier to cite or link to this item:
https://doi.org/10.1039/c2nr11902a
Title: | α-Fe 2O 3 nanotubes-reduced graphene oxide composites as synergistic electrochemical capacitor materials |
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. |
Issue Date: | 28-Apr-2012 |
Source: | 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. (2012-04-28). α-Fe 2O 3 nanotubes-reduced graphene oxide composites as synergistic electrochemical capacitor materials. Nanoscale 4 (9) : 2958-2961. ScholarBank@NUS Repository. https://doi.org/10.1039/c2nr11902a |
Abstract: | We present a facile approach for the fabrication of a nanocomposite comprising α-Fe 2O 3 nanotubes (NTs) anchored on reduced graphene oxide (rGO) for electrochemical capacitors (ECs). The hollow tubular structure of the α-Fe 2O 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 2O 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. © 2012 The Royal Society of Chemistry. |
Source Title: | Nanoscale |
URI: | http://scholarbank.nus.edu.sg/handle/10635/95428 |
ISSN: | 20403364 |
DOI: | 10.1039/c2nr11902a |
Appears in Collections: | Staff Publications |
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