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Ultrafast Microwave-Assisted Route to Surfactant-Free Ultrafine Pt Nanoparticles on Graphene: Synergistic Co-reduction Mechanism and High Catalytic Activity
Abstract
We demonstrate an ultrafast method for the formation of graphene supported Pt catalysts by the co-reduction of graphene oxide and Pt salt using ethylene glycol under microwave irradiation conditions. Detailed analysis of the mechanism of formation of the hybrids indicates a synergistic co-reduction mechanism whereby the presence of the Pt ions leads to a faster reduction of GO and the presence of the defect sites on the reduced GO serves as anchor points for the heterogeneous nucleation of Pt. The resulting hybrid consists of ultrafine nanoparticles of Pt uniformly distributed on the reduced GO susbtrate. We have shown that the hybrid exhibits good catalytic activity for methanol oxidation and hydrogen conversion reactions. The mechanism is general and applicable for the synthesis of other multifunctional hybrids based on graphene.
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Citations
Cites
Methanol oxidation and direct methanol fuel cells: a selective review
Wasmus, S., & Küver, A. (1999) · Journal of Electroanalytical Chemistry · doi:10.1016/s0022-0728(98)00197-1 · Cited by 1,308
Cited by
Single atom electrocatalysts supported on graphene or graphene-like carbons
Fei, H., Dong, J., Chen, D., Hu, T., Duan, X., Shakir, I., Huang, Y., & Duan, X. (2019) · Chemical Society Reviews · doi:10.1039/c9cs00422j · Cited by 673
Recent development of methanol electrooxidation catalysts for direct methanol fuel cell
Gong, L., Yang, Z., Li, K., Xing, W., Liu, C., & Ge, J. (2018) · Journal of Energy Chemistry · doi:10.1016/j.jechem.2018.01.029 · Cited by 298
Synthesis and applications of graphene-based noble metal nanostructures
Tan, C., Huang, X., & Zhang, H. (2013) · Materials Today · doi:10.1016/j.mattod.2013.01.021 · Cited by 286
Microwave-assisted optimization of platinum-nickel nanoalloys for catalytic water treatment
Ma, H., Wang, H., & Na, C. (2015) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2014.07.062 · Cited by 76
Vinayan, B. P., Nagar, R., & Ramaprabhu, S. (2012) · Journal of Materials Chemistry · doi:10.1039/c2jm33894g · Cited by 72
Metadata
- Authors
- Kundu, P., Nethravathi, C., Deshpande, P. A., Rajamathi, M., Madras, G., & Ravishankar, N.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-05-10
- Volume
- 23
- Issue
- 11
- Pages
- 2772-2780
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2031442683
- Cited by
- 270
- References
- 1
- FWCI
- 15.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Ultrafast Microwave-Assisted Route to Surfactant-Free Ultrafine Pt Nanoparticles on Graphene: Synergistic Co-reduction Mechanism and High Catalytic Activity. https://app.cochat.ai/papers/10.1021/cm200329a
- The paper
- Kundu, P., Nethravathi, C., Deshpande, P. A., Rajamathi, M., Madras, G., & Ravishankar, N. (2011). Ultrafast Microwave-Assisted Route to Surfactant-Free Ultrafine Pt Nanoparticles on Graphene: Synergistic Co-reduction Mechanism and High Catalytic Activity. Chemistry of Materials. https://doi.org/10.1021/cm200329a
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
