Researchers from the Beijing National Laboratory for Molecular Sciences have demonstrated complex fractal geometric patters etched on graphene. The researchers used as-grown graphene film on a liquid copper surface. By using Ar/H2 (argon / hydrogen) gas, they were able to etch the graphene.
The researchers found out that low gas flow rates results in simple hexagonal holes (top-left). But the faster the flow rate, the more complex and dynamic the pattern the emerges.
Posted: Apr 28,2013 by Ron Mertens