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Sonolytic Design of Graphene−Au Nanocomposites. Simultaneous and Sequential Reduction of Graphene Oxide and Au(III)
Abstract
High-frequency ultrasound at 211 kHz is effective in developing graphene-based nanoarchitectures. Both simultaneous and sequential reduction steps have been employed to reduce the graphene oxide (GO) and a gold precursor, HAuCl 4 . Characterization of the composites by transmission electron microscopy following the reduction process revealed well-dispersed Au nanoparticles on the reduced GO (RGO) sheets that are no more than a few layers thick (1−4 layers). The Raman spectra of the RGO−Au composites showed a distinct surface enhancement of the graphene Raman bands upon increasing the surface coverage of gold nanoparticles. The merits of sonolytic reduction in developing graphene-based composites are discussed.
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Lightcap, I. V., Kosel, T. H., & Kamat, P. V. (2010) · Nano Letters · doi:10.1021/nl9035109 · Cited by 1,044
Self-citation
Cited by
Graphene-based semiconductor photocatalysts
Xiang, Q., Yu, J., & Jaroniec, M. (2012) · Chem. Soc. Rev. · doi:10.1039/c1cs15172j · Cited by 2,730
Sonochemical synthesis of nanomaterials
Xu, H., Zeiger, B. W., & Suslick, K. S. (2013) · Chem. Soc. Rev. · doi:10.1039/c2cs35282f · Cited by 1,161
Graphene-Supported Nanoelectrocatalysts for Fuel Cells: Synthesis, Properties, and Applications
Liu, M., Zhang, R., & Chen, W. (2014) · Chemical Reviews · doi:10.1021/cr400523y · Cited by 986
Radich, E. J., Dwyer, R., & Kamat, P. V. (2011) · The Journal of Physical Chemistry Letters · doi:10.1021/jz201064k · Cited by 477
Self-citationSynthesis 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
Metadata
- Authors
- Vinodgopal, K., Neppolian, B., Lightcap, I. V., Grieser, F., Ashokkumar, M., & Kamat, P. V.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-06-14
- Volume
- 1
- Issue
- 13
- Pages
- 1987-1993
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2086002600
- Cited by
- 213
- References
- 1
- FWCI
- 13.13
- Type
- journal article
- Language
- en
- Open access
- closed
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- Vinodgopal, K., Neppolian, B., Lightcap, I. V., Grieser, F., Ashokkumar, M., & Kamat, P. V. (2010). Sonolytic Design of Graphene−Au Nanocomposites. Simultaneous and Sequential Reduction of Graphene Oxide and Au(III). The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz1006093
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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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