Concentration: 6.2 g/L
Single Layer: >80%
Flake Size: 0.5-5 Microns
Centrifugation has been used to prepare extra-large flakes and get an ultra-high concentration of Graphene Oxide. The ultra-highly concentrated graphene oxide forms paper-like substances and will coat virtually any surface, including the bottle itself.
Production of Graphene Oxide:
Graphene Oxide is the oxidized form of graphene produced by oxidizing crystal graphite with a mixture of sulfuric acid, sodium nitrate, and potassium permanganate (the Hummers method). Structurally, Graphene Oxide can be visualized as a graphene sheet with its basal plane decorated by oxygen-containing groups. Due to high affinity to water molecules by these groups, Graphene Oxide is hydrophilic and can be dissolved in water. The solubility in water makes the deposition of the thin films of the Graphene Oxide straightforward. Graphene Oxide is a poor conductor but its treatment by light, heat, or chemical reduction can restore most properties of pristine graphene.
Transparent Conductive Films
Composites and Paper-Like Materials
Applications in Biology and Medicine
Graphene Oxide Sheets at Interfaces
The Chemistry of Graphene Oxide. Daniel R. Dreyer, Sungjin Park, Christopher W. Bielawski and Rodney S. Ruoff. Chem. Soc. Rev. 2010, 39, 228-240
Graphene and Graphene Oxide: Synthesis, Properties, and Applications. Yanwu Zhu, Shanthi Murali, Weiwei Cai, Xuesong Li, Ji Won Suk, Jeffrey R. Potts, Rodney S. Ruoff. Advanced Materials, Volume 22, Issue 35, pages 3906–3924
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