Graphene process flowWe are working on producing graphene by Chemical Vapor Deposition (CVD) method. This enables large scale synthesis of Graphene.

Graphene synthesisCu foil plays as a substrate and a catalyst at the same time.
 Furnace to grow Graphene  Cu foil with (left) and without (right) graphene
Graphene isolatingTransfering: PMMA spin coating, Cu etchant
Graphene characterizing Optical microscope image shows copper’s grains formed after heating treatment
 SEM image of Graphene on Cu substrate
Graphene applications Gas sensors QCM Bio sensors Solar cells
References
- Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Zhang, Y., Dubonos, S. V., Grigorieva, I. V., and Firsov, A. A.: Electric Field Effect in Atomically Thin Carbon Films, Science, 2004, 306, 666–669
- Bae, S.; Kim, H.; Lee, Y.; Xu, X.; Park, J.-S.; Zheng, Y.; Balakrishnan, J.; Lei, T.; Ri Kim, H.; Song, Y. I.; Kim, Y.-J.; Kim, K. S.; Ozyilmaz, B.; Ahn, J.-H.; Hong, B. H. & Iijima, S. Roll-to-roll production of 30-inch graphene films for transparent electrodes, Nat Nano, Nature Publishing Group, 2010, 5, 574-578
- Li, X. et al. Large-area synthesis of high-quality and uniform graphene films on copper foils. Science, 2009, 324, 1312–1314
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