What is Graphene?
Graphene is a one atom thick sheet or film of carbon atoms. It is strong yet low weight and it conducts heat and electricity. In fact, graphene is the most thermally conductive material known to man. Scientists had theorized about graphene for decades before it was successfully synthesized in the lab in 2004 by Geim et al. It is two-dimensional, it interacts favorably with light and with other materials. Graphene is a highly crystalline carbon sheet. Carbon atoms are densely packed in a regular hexagonal sp2 bonded structure. It can best be envisioned as a one-atom thick layer of graphite.
We specialize in providing a wide variety of high quality, low cost graphene products. We supply modified hummers method Graphene Oxide-GO in both Single and Few Layer Layer form. We supply our high quality Graphene Nanoplatelets-GNPs in pristine or functionalized versions. Monolayer CVD graphene films as well as spin coated GO films which are available in oxide or reduced forms. Please contact us today to discuss your needs.
Our Grade 4 Graphene Nanoplatelets-GNPs are exfoliated from crystalline graphite. We use Sri Lankan vein graphite, the most crystalline graphite available. They can be functionalized with a wide variety of groups and we can tailor the amount to your application. They are friable so the layers separate (disperse) easily from each other. GraphenX is fully synthetic and made from CO2 and MgO, it isn't mined so it doesn't have the same variations as raw graphite has.
Above- the molecular structure of a CVD graphene film
Above- the molecular structure of graphene oxide
An image of GO and RGO Coatings on Glass, SI, or Polyimide Substrates.
CVD Graphene Films
Please contact us for monolayer, bilayer, or trilayer CVD Films on SiO2/SI, PET, or Quartz substrates.
Above-SLGO AFM image
Above- Few Layer (2-4L) FLGO TEM image
Above from top left- SLGO in Di water prior to dispersion, SLGO cavitation during dispersion, an SLGO solution post dispersion, SLGO dispersion ready for sale.
Cheap Tubes can also supply single layer and few layer graphene oxide dispersions. Our standard concentration is 2mg/ml but higher concentrations up to 10mgs/ml are available. Please inquire with us to find out pricing. We can provide our graphene oxide dispersions in Water or DMF solvents without the use of surfactants. We also supply dispersed graphene nanoplatelets which do require stabilization with surfactants.
Above- Grade 4 GNPs, Research Grade
Grade 3 Industrial Grade GNPs
Grade 4 Research Grade functionalized GNPs which can be provided with O+, COOH, F, N2 & NH2 groups
Above- GraphenX Synthetic GNPs
Grade 5 Synthetic GNPs- This product is 100% synthetic GNPs and is less than 2nm thick. The X & Y dimensions are 20-100nm. This material is a preproduction material and some processes are still being refined and changed.
We can supply graphene ink based on our Grade 4 GNP product.
Our graphene ink is suitable for a variety of coating methods including slot die, flexo, gravure and others