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An original way to produce carbon reinforcements : polyoxometalate - reduced graphene oxide nanocomposite

Abstract

Nowadays metal (copper, aluminum and silver) matrix composite materials with specific thermal and/or electrical properties imply the use the graphene sheets which can notably be fabricated by chemical reduction of graphene oxide (GO). This method has the advantage of bulk quantity production but the chemical species used as reducing agent, such as hydrazine, are toxic and do not prevent the aggregation of the reduced GO (rGO) sheets in suspension in the absence of any stabilizer. An alternative green method for producing stable rGO has been developed using polyoxometalates (POMs) anions. We have employed a method based on the use of reduced POMs. This method is rapid, nontoxic and a high amount of POM@rGO can be prepared. These POM@rGO nanocomposites have been characterized by X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDS)1 and correlated with the process parameters. 1- C. Debiemme-Chouvy, B. Thomas, I. T. Lucas, T. T. M. Tran, J.-M. Heintz, A. Veillère, J.-F. Silvain, ChemPlusChem 82 (2017) 186-189.
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Dates and versions

hal-03977028 , version 1 (07-02-2023)

Identifiers

  • HAL Id : hal-03977028 , version 1

Cite

Catherine Debiemme-Chouvy, B. Thomas, Mai T.T. Tran, Y. Lucas, J.M. Heintz, et al.. An original way to produce carbon reinforcements : polyoxometalate - reduced graphene oxide nanocomposite. 14th International Ceramics Congress (CIMTEC 2018), Jun 2018, Perugia, Italy. ⟨hal-03977028⟩
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