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Graphite Oxide (GO) Prepared by the Hummers' Method
Graphite Oxide (GO) Prepared by the Hummers' Method
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The graphite oxide (GO) sample has been generated by the well-known Hummers’ method, that is a chemical reaction based on the oxidation of graphite flakes by a solution of potassium permanganate (KMnO4) and sodium nitrate (NaNO3) in absolute sulfuric acid (oleum, H2SO4). Graphite oxide is a very useful chemical compound since it is the precursor of single-layer graphene; indeed, it is an unstable compound that spontaneously decomposes with time or can be very easily reduced by heating or by treatment with a mild chemical reluctant (e.g., ascorbic acid). The obtained thermally/chemically reduced graphene oxide has a number of structural defects due to the presence of residual oxygen-containing groups (epoxies) and holes in the graphene plane structure. While GO is a non-electrically conductive nanostructure because electron conjugation is interrupt for the presence of a large amount of oxygen-containing groups (hydroxyls, carboxylic groups, epoxies, etc.), the thermally/chemically reduced graphene oxide is a good electrical conductor, that is useful for different technological applications [1].

 

References
  1. An overview of the advanced nanomaterials science . Elsevier - ScienceDirect. Retrieved 2023-11-12
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Update Date:
13 Nov 2023
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Image Gallery:
Nanoparticles
Subject:
Nanoscience & Nanotechnology
Keywords
graphite oxideHummers' methodGrapheneThermally reduced GOGraphite oxide reduced by ascorbic acid
Carotenuto, G. Graphite Oxide (GO) Prepared by the Hummers' Method. Encyclopedia. Available online: https://encyclopedia.pub/image/186 (accessed on 27 April 2025).
Carotenuto G. Graphite Oxide (GO) Prepared by the Hummers' Method. Encyclopedia. https://encyclopedia.pub/image/186. Published Nov 13, 2023. Accessed 27 April, 2025.
Carotenuto, Gianfranco. Graphite Oxide (GO) Prepared by the Hummers' Method. 2023. Encyclopedia. https://encyclopedia.pub/image/186.
Carotenuto, G. (2023). Graphite Oxide (GO) Prepared by the Hummers' Method. Encyclopedia. https://encyclopedia.pub/image/186
Carotenuto, Gianfranco. "Graphite Oxide (GO) Prepared by the Hummers' Method." Encyclopedia, 2023, https://encyclopedia.pub/image/186. Accessed 27 April, 2025.
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