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. Author manuscript; available in PMC: 2013 Jul 17.
Published in final edited form as: Environ Sci Technol. 2012 Jul 3;46(14):7717–7724. doi: 10.1021/es301377y

Figure 4.

Figure 4

Effectiveness of thin graphene oxide films as Hg-vapor barrier enhancers on 50 μm polyester. The film configuration is seen to be much more effective than the common configuration with GO uniformly mixed (compounded) with the polymer (Nielsen model; Cussler model26–29). The data lie between the Nielsen ideal imbedding limit and the limit for random overlapping disks whose centers of mass deposit on the film by a Poisson process. For the modeling, the atomic GO thickness was taken as 1 nm and the lateral dimension 1 μm. Image shows polyester film treated with GO film (right) and untreated (left).