Customized Graphene Dispersion

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Customized Graphene Dispersion

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As one of the graphene customization service providers, Alfa Chemistry uses advanced R&D technology to customize graphene disperson. According to your requirements, we can disperse graphene well in solvents such as DI Water, EtOH, NMP, DMF, THF and etc. We manufacture the best quality of customized graphene dispersion in many solvents with long shelf life to fulfill customers' needs.

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Technical Specifications

SoluteSingle Layer Graphene / Graphene Oxide / Reduced Graphene Oxide
Concentration (mg/mL)1 ~ 30
SolventDI Water / EtOH / MeOH/ NMP / DMF / THF
Number of Layers1 ~ 5
ColourBrown / Black

We manufacture stable 0.1-3% concentrate suspension of graphene in the above solvents with high shell life to fulfill the customers needs. If you need further data or information about technical specification, please contact us.

Alfa Chemistry's Preparation Techniques

  • Direct Stripping

The graphite powder is dispersed in an organic solvent. Ultrasound and other technical means are used to embed the solvent molecules in the graphite sheet to achieve the exfoliation of graphite.

Advantages:

Since there is no violent oxidation process, no defects are introduced in the graphene sheet during the peeling process.

Disadvantages:

The prepared graphene sheet has a relatively small size and a low yield.

  • Molecular Modification

The oxygen-containing functional groups on the surface of graphene oxide can be used as reaction sites for grafting foreign molecules. The addition of these molecules can not only improve the solubility of graphene, but also make the graphene dispersion exhibit functional properties. Molecular modification is divided into covalent bond modification and non-covalent bond modification

Application Fields

The application fields of graphene dispersion include, but are not limited to, following:

Customized-Graphene-Dispersion-Picture

Packaging, Pricing & Delivery

Customized-Graphene-Dispersion-Picture

Warranties and Disclaimers

  • Alfa Chemistry warrants that products shall conform to the description of such products as provided by Alfa Chemistry through Alfa Chemistry’s literature.
  • Alfa Chemistry shall not in any event be liable for incidental, consequential or special damages of any kind resulting from any use or failure of the products.
  • The product is for R&D use only. Please consult us for safe handling information.

References

  1. Pendolino F, et al. (2014). "Time-Dependent Structure and Solubilization Kinetics of Graphene Oxide in Methanol and Water Dispersions." The Journal of Physical Chemistry C. 118(48), 28162-28169.
  2. Texter J. (2014). "Graphene Dispersions." Current Opinion in Colloid and Interface Science. 19(2), 163.
  3. Konios D, et al. (2014) "Dispersion Behaviour of Graphene Oxide and Reduced Graphene Oxide." Journal of Colloid and Interface Science. 430, 108.
Our products are for research use only and cannot be used for any clinical purposes.

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