Graphenea ~ News about Graphene

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News about Graphene, a Nobel Prize winning material (2010) that is regularly in the headlights of research. Many new applications are discovered weekly and our blog tries to catch up with them.

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  • February 16, 2013
  • 12:00 PM
  • 369 views

What kind of graphene for which application ?

by Jean-Christophe Lavocat in Graphenea ~ News about Graphene

The development of graphene has a very high pace. The production of graphene is made in different ways, for instance by chemical vapor deposition or by growth on Si, and the applications and quality vary a lot. In this blog post we will try to help you deciding which kind of graphene is good for a given application. We will also introduce you to the ratio price/quality that has a real importance for mass scale production.
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Novoselov KS, Fal'ko VI, Colombo L, Gellert PR, Schwab MG, & Kim K. (2012) A roadmap for graphene. Nature, 490(7419), 192-200. PMID: 23060189  

  • December 14, 2012
  • 04:07 AM
  • 497 views

Nasa is developping graphene based sensors

by Jean-Christophe Lavocat in Graphenea ~ News about Graphene

The famous US aerospace and aeronautics agency NASA is currently developing sensors based on graphene. The main leader of the initiative, Mahmooda Sultana, joined NASA's Goddard Space Flight Center in Greenbelt two years ago. She had since then won research and development fundings to install graphene production facilities.... Read more »

Li, Mary; Sultana, Mahmooda; Hess, Larry. (2012) Graphene Transparent Conductive Electrodes for Next- Generation Microshutter Arrays . NASA Tech Briefs, May 2012. info:other/20120009225

  • December 6, 2012
  • 05:00 PM
  • 401 views

A bandgap semiconductor nanostructure made entirely from graphene

by Jean-Christophe Lavocat in Graphenea ~ News about Graphene

In 2005, when Andre Geim and Philip Kim separately worked on graphene's electrons and showed that the material was showing a zero-bandgap, this came as a very curious feature that people would probably use. This zero-bandgap property makes that graphene is not a real semi-conductor and could not be used directly by the industry. Many successful attempts were made to create a band gap in graphene, by using doped graphene, nanoribbons or by using an electric field between a bi-layered graphen........ Read more »

Hicks, J., Tejeda, A., Taleb-Ibrahimi, A., Nevius, M., Wang, F., Shepperd, K., Palmer, J., Bertran, F., Le Fèvre, P., Kunc, J.... (2012) A wide-bandgap metal–semiconductor–metal nanostructure made entirely from graphene. Nature Physics. DOI: 10.1038/nphys2487  

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