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Carbon nanotubes decorated with Pt nanoparticles via electrostatic self-assembly: a highly active oxygen reduction electrocatalyst
Abstract
Carbon nanotubes (CNTs) are noncovalently functionalized with poly(allylamine hydrochloride) (PAH) and then employed as the support of Pt nanoparticles. X-Ray photoelectron spectroscopy confirms the successful functionalization of CNTs with PAH. The negatively charged Pt precursors are adsorbed on positively charged PAH-wrapping CNTs surface via electrostatic self-assembly and then in situ reduced in ethylene glycol. X-Ray diffraction and transmission electron microscope images reveal that Pt nanoparticles with an average size of ∼2.6 nm are uniformly dispersed on CNT surface. Pt/PAH-CNTs exhibit unexpectedly high activity towards oxygen reduction reaction, which can be attributed to the large electrochemical surface area of Pt nanoparticles. It also shows enhanced electrochemical stability due to the structural integrity of PAH-CNTs. This provides a facile approach to synthesize CNTs-based nanoelectrocatalysts.
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Gasteiger, H. A., Kocha, S. S., Sompalli, B., & Wagner, F. T. (2005) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2004.06.021 · Cited by 4,876
Novel catalyst support materials for PEMfuelcells: current status and future prospects
Shao, Y., Liu, J., Wang, Y., & Lin, Y. (2009) · J. Mater. Chem. · doi:10.1039/b808370c · Cited by 660
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Du, L., Prabhakaran, V., Xie, X., Park, S., Wang, Y., & Shao, Y. (2021) · Advanced Materials · doi:10.1002/adma.201908232 · Cited by 357
Self-citationChen, Y., Wang, J., Liu, H., Banis, M. N., Li, R., Sun, X., Sham, T.-K., Ye, S., & Knights, S. (2011) · The Journal of Physical Chemistry C · doi:10.1021/jp108864y · Cited by 241
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Du, L., Shao, Y., Sun, J., Yin, G., Liu, J., & Wang, Y. (2016) · Nano Energy · doi:10.1016/j.nanoen.2016.03.016 · Cited by 193
Self-citationXiao, Y.-P., Jiang, W.-J., Wan, S., Zhang, X., Hu, J.-S., Wei, Z.-D., & Wan, L.-J. (2013) · Journal of Materials Chemistry A · doi:10.1039/c3ta10298j · Cited by 49
Metadata
- Authors
- Zhang, S., Shao, Y., Yin, G., & Lin, Y.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2010
- Volume
- 20
- Issue
- 14
- Pages
- 2826
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W1990522308
- Cited by
- 160
- References
- 2
- FWCI
- 7.86
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, S., Shao, Y., Yin, G., & Lin, Y. (2010). Carbon nanotubes decorated with Pt nanoparticles via electrostatic self-assembly: a highly active oxygen reduction electrocatalyst. Journal of Materials Chemistry. https://doi.org/10.1039/b919494k
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