Aqueous Colloidal Suspension of Graphene Oxide without surfactants/stabilizers

Introduction:

This product is prepared by the modified Hummers method and then ultrasonically treated in deionized water to obtain a stable aqueous dispersion of graphene oxide. Concentrations can be tailored to customer needs, with concentrations ranging from 0.05 to 5 mg/ml. This product is prepared in small batches in the laboratory. It usually does not precipitate or agglomerate after standing for one year, and this product does not contain any surfactant.

Product parameters:

Instructions:
1. Use directly as a dispersion.
2. The graphene oxide film is prepared by vacuum filtration, gas-liquid interface self-assembly and the like.
3. The graphene oxide aerogel is prepared by a sol-gel method, a hydrothermal method, or the like.
4. Preparation of graphene by chemical reduction (hydrazine hydrate, sodium borohydride, hydroiodic acid, urea, vitamin C, hydroquinone, etc.), radiation reduction (laser, microwave, etc.) or thermal reduction.

Notice:
If the product is precipitated or agglomerated at the bottom after being placed for a long time, the ultrasonic can be eliminated within 15 to 30 minutes.

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