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In situ synthesis of Cu2O and Cu nanoparticles during the thermal reduction of copper foil-supported graphene oxide

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Abstract

This work describes a novel method to prepare reduced graphene oxide (rGO) sheets decorated with copper oxide and copper nanoparticles, by annealing copper foil-supported graphene oxide (GO) under an Ar atmosphere. The GO reduction level, the predominant Cu or Cu2O compound, and the particle size strongly depend on the process temperature. Scanning electron microscopy and X-ray diffraction analysis revealed that rGO–Cu2O and rGO–Cu nanocomposites developed on the Cu foil surface at the annealing temperatures of 200–600 and 800–1000 °C range, respectively. Raman spectroscopy corroborates the effective GO reduction.

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Acknowledgments

This project is supported by the National Council of Science and Technology (CONACyT) No. CB2009-128723 and scholarship No. 355201. Also we are indebted with Institute of Science and Technology of Federal District (ICyT 326/11). The authors are very thankful to M. Sci. Adolfo Tavira Fuentes for the XRD measurements and also LANE-Cinvestav, especially Dr. Josué Romero Ibarra for the FESEM characterizations.

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Correspondence to R. Ortega-Amaya.

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Ortega-Amaya, R., Matsumoto, Y., Pérez-Guzmán, M.A. et al. In situ synthesis of Cu2O and Cu nanoparticles during the thermal reduction of copper foil-supported graphene oxide. J Nanopart Res 17, 397 (2015). https://doi.org/10.1007/s11051-015-3201-4

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  • DOI: https://doi.org/10.1007/s11051-015-3201-4

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