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Surface Modification of Graphene Nanosheets with Gold Nanoparticles: The Role of Oxygen Moieties at Graphene Surface on Gold Nucleation and Growth
Abstract
Graphene sheets, which possess unique nanostructure and a variety of fascinating properties, are considered as promising nanoscale building blocks of new nanocomposites, namely as a support material for the dispersion of metal nanoparticles. One of the methodologies used to prepare graphene sheets is the chemical exfoliation of graphite in aqueous medium, which produces oxygen functionalized graphene sheets. Here, we show that the presence of oxygen functionalities at the graphene surface provides reactive sites for the nucleation and growth of gold nanoparticles. Gold nanoparticles are effectively grown at functionalized graphene surfaces using a simple chemical method in aqueous medium. The nucleation and growth mechanism depends on the degree of oxygen functionalization at the graphene surface sheets, no gold nanoparticles are obtained at totally reduced graphene surfaces. Additionally, our studies indicate that the graphene/gold nanocomposites are potential substrates for SERS (surface enhanced Raman scattering) in particular for single gold nanoparticle SERS studies.
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Cites
Electric Field Effect in Atomically Thin Carbon Films
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Zhang, Y., Dubonos, S. V., Grigorieva, I. V., & Firsov, A. A. (2004) · Science · doi:10.1126/science.1102896 · Cited by 66,834
Cited by
Functional Composite Materials Based on Chemically Converted Graphene
Bai, H., Li, C., & Shi, G. (2011) · Advanced Materials · doi:10.1002/adma.201003753 · Cited by 1,080
Huang, J., Zhang, L., Chen, B., Ji, N., Chen, F., Zhang, Y., & Zhang, Z. (2010) · Nanoscale · doi:10.1039/c0nr00473a · Cited by 441
Khan, A. H., Ghosh, S., Pradhan, B., Dalui, A., Shrestha, L. K., Acharya, S., & Ariga, K. (2017) · Bulletin of the Chemical Society of Japan · doi:10.1246/bcsj.20170043 · Cited by 432
Kou, R., Shao, Y., Mei, D., Nie, Z., Wang, D., Wang, C., Viswanathan, V. V., Park, S., Aksay, I. A., Lin, Y., et al. (2011) · Journal of the American Chemical Society · doi:10.1021/ja107719u · Cited by 421
Li, L., Liu, K., Yang, G., Wang, C., Zhang, J., & Zhu, J. (2011) · Advanced Functional Materials · doi:10.1002/adfm.201001550 · Cited by 329
Metadata
- Authors
- Goncalves, G., Marques, P. A. A. P., Granadeiro, C. M., Nogueira, H. I. S., Singh, M. K., & Grácio, J.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-09-24
- Volume
- 21
- Issue
- 20
- Pages
- 4796-4802
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2061534310
- Cited by
- 903
- References
- 1
- FWCI
- 26.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Surface Modification of Graphene Nanosheets with Gold Nanoparticles: The Role of Oxygen Moieties at Graphene Surface on Gold Nucleation and Growth. https://app.cochat.ai/papers/10.1021/cm901052s
- The paper
- Goncalves, G., Marques, P. A. A. P., Granadeiro, C. M., Nogueira, H. I. S., Singh, M. K., & Grácio, J. (2009). Surface Modification of Graphene Nanosheets with Gold Nanoparticles: The Role of Oxygen Moieties at Graphene Surface on Gold Nucleation and Growth. Chemistry of Materials. https://doi.org/10.1021/cm901052s
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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