Description of 1000 ml, 1L Monolayer Graphene Oxide Water Dispersion 4 mg/ml

Our graphene oxide is noted for its excellent mechanical and thermal properties. The raw material, graphite, is chemically processed to obtain monolayer flakes of graphene oxide.

Product SKU#: PO0706

Properties of 1000 ml, 1L Monolayer Graphene Oxide Water Dispersion 4 mg/ml

Form: Dispersion of graphene oxide sheets
Sheet dimension: Variable
Color: Yellow-brown
Odor: Odorless
Dispersibility: Polar solvents
Solvent: Water
pH: 2.2 - 2.5
Concentration: 4 mg/mL
Monolayer content (measured in 0.5 mg/mL): >95%

(*) 4mg/ml concentration tends to agglomerate the GO flakes and dilution followed by slight sonication is required in order to obtain a higher percentage of monolayer flakes

Elemental Analysis of Monolayer Graphene Oxide Powder

Carbon: 49 - 56%
Hydrogen: 0 - 1%
Nitrogen: 0 - 1%
Sulfur: 2 -4%
Oxygen: 41 - 50%

Quality Control

Our Graphene Oxide is subjected to a rigorous QC in order to ensure a high quality and reproducibility.

Amount of residue on evaporation
pH control
Elemental Analysis

If your application requires more specific quality control, please do not hesitate to contact us.

Applications

Graphene/polymer composite materials, Batteries, Biomedical, Solar cells, Supercapacitors, Support for metallic catalysts, Low permeability materials, Biosensors, Multifunctional materials, Graphene research

Publications

Flexible solid state lithium batteries based on graphene inks,
J. Mater. Chem., 2011,21, 9762-9767 doi: 10.1039/C1JM10826C

Enabling Graphene Oxide Nanosheets as Water Separation Membranes,
Environ. Sci. Technol., 2013, 47 (8), pp 3715-3723; doi: 10.1021/es40057g

Graphene Oxide for effective radionuclide removal,
Phys. Chem. Chem. Phys., 2013, 15, 2321-2327; doi: 10.1039/C2CP44593J

FAQs

A: The lateral dimensions of the GO are below 10 microns but usually around 1-2microns.

A: The surface area in dispersion form is not possible to measure since most techniques require the dry form and GO tends to agglomerate when water is removed. All GO surface is exposed to the water when it is in dispersion form so the surface area should be very high. The GO flakes are monolayer thick (2nm measured via AFM) in dilute dispersions.

A: Our GO is dispersed in water because it is very stable and no surfactant is needed. GO is functionalized with epoxy, alcohol and COOH groups on its edges. These functional groups make GO highly hydrophilic and also it loses part of its sp2 hybridization, making GO insulating. In order to recover conductivity is has to be reduced. We can work with other solvents, please contact us to know more about it.

A: Experiments have proven that no damage would be expected if the GO water dispersion was frozen during transportation or storage.

MSE Supplies guarantees the high quality and best price on the market for our graphene products. Buying graphene products from MSE Supplies will save you ~50% or more compared to prices listed by other re-sellers such as Sigma-Aldrich.

A: A modified Hummers method is used.