HTTP:: Graphene 039 s Traits Controlled with Gold 039 Flakes 039
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Experts at the Kansas State University (KSU) have recently announced that they managed to augment the electric properties of the carbon compound graphene, by adding gold nanoflakes to its surface. They argue that the addition of the so-called snowflake-shaped gold nanostars (SFGN) created a uniformly distributed “chain of islands†on the surface of the one-atom-thick material. They say that the graphene is indispensable to the process, and that gold nanostars cannot be obtained any other way, ScienceDaily reports. In order to obtain the new structures, the experts simply had to deposit graphene oxide sheets into a gold ion solution, and wait for nature to take its course. “Graphene-derivatives act like swimming molecular carpets when in solution and exhibit fascinating physiochemical behavior. If we change the surface functionality or the concentration, we can control their properties,†KSU Assistant Professor of Chemical Engineering and graphene expert Vikas Berr!
y explains. He collaborated with KSU doctoral student in chemical engineering Kabeer Jasuja for the innovation. The two found that, after being immersed in the gold solution, the surface of the graphene did not look quite like they had expected. Rather than seeing an evenly distributed layer of gold on the ...
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http://news.softpedia.com/news/Graphene-039-s-Traits-Controlled-with-Gold-039-Flakes-039-124224.shtml
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