If it is possible, that is very significant. <a href="http://torcuil.wordpress.com/2008/03...at-room-temperature-with-graphene/">http://torcuil.wordpress.com/2008/03...at-room-temperature-with-graphene/</a> One issue may be thickness -- graphene is a form of carbon arranged in a sheet that is one atom thick -- sort of like an unrolled carbon nanotube.