As graphene is known to be a zero bandgap semiconductor, I understand its behaviour to be somewhat like metal as the band gap is zero and somewhat like semiconductor as the name signifies. Can anyone provide me instructions on how the electron would move on the surface of graphene ?
Article Graphene: Nanoelectronics goes flat out
Dear Arif,
I am planning to use graphene in one of my project for the first time. Would like to get some info if you are kind to provide:
1. Electrical conductivity of graphene?
2. I am thinking of using Silver paste instead of graphene, since silver also has zero band gap same as graphene. Any thought?
3. In the market there are graphene pellete and graphene powder available. Are these all single layer graphene (some of them they don't mention about this layer, but electrical properties differ with the layers!)
rgds,
Arefin
A team of researchers from Berkeley has engineered a bandgap in bilayer graphene that can be precisely controlled from 0 to 250 meV.
http://www-als.lbl.gov/index.php/contact/56-bilayer-graphene-gets-a-bandgap.html
Dear Prakash:
Attached article may help you to know more about graphene. For your information, pristine graphene is a semi-metal, possesses high conductivity under certain circumstances as mentioned by Arif. Please keep in mind that graphene paste is conducting but very different from monolayer graphene. Thanks. Good luck!
http://www.nature.com/nmat/journal/v6/n3/full/nmat1849.html
http://journals.aps.org/rmp/abstract/10.1103/RevModPhys.83.407
Please check
http://www.manchester.ac.uk/discover/news/electrons-flowing-like-liquid-in-graphene-start-a-new-wave-of-physics/
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