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Microwave-assisted shock synthesis of diverse ultrathin graphene-derived materials


A paradigm shift is happening in the graphene-related research from fundamental studies to the mass production and uptake of the materials into practical applications. Controlled conversion of single-layer, pre-oxidised form of graphene is a promising pathway for the large-scale synthesis of graphene-like materials and derivatives. In this work, we report a strategy based on solid-state, shock reaction enabled by microwave-induced plasma for ultrafast conversion of graphene oxide to ultrathin, defective carbon platelets, without pre-heating or use of any form of “catalyst”. This strategy is versatile, allowing instantaneous embedment of ultrafine, uniformly dispersed metal/metal-alloy nanoparticles into the carbon, featuring various nanostructures, from “core-shell” to “hollow”. The synthesised metal nanoparticle embedded 2D carbon can be directly used as a catalyst that shows enhanced water oxidation activity. Controlled doping of heteroatoms, i.e. nitrogen, sulphur and phosphorus, in the carbon is also demonstrated. This approach is simple and robust, potentially suitable for mass production of a collection of new carbon-based materials with intriguing properties.

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Publication details

The article was received on 21 Feb 2019, accepted on 07 May 2019 and first published on 08 May 2019

Article type: Research Article
DOI: 10.1039/C9QM00113A
Mater. Chem. Front., 2019, Accepted Manuscript

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    Microwave-assisted shock synthesis of diverse ultrathin graphene-derived materials

    X. Chen, X. Bo, W. Ren, S. Chen and C. Zhao, Mater. Chem. Front., 2019, Accepted Manuscript , DOI: 10.1039/C9QM00113A

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