Membranes made from single-layer graphene oxide (SLGO) are promising as molecular sieve materials for purifying water. A team of researchers from the University of South Carolina in the US has now found that the spacing between the graphene oxide layers in a membrane is important for how well water permeates through it. It has also found that membranes grown at a slower deposition rate contain narrower channels and so are more efficient at filtering particles from solution. The new work could help in the design of improved SLGO sieves in the future….
http://nanotechweb.org/cws/article/tech/68526
