Thin, High-Flux, Self-Standing, Graphene Oxide Membranes for Efficient Hydrogen Separation from Gas Mixtures
The preparation and gas-separation performance of self-standing, high-flux, graphene oxide (GO) membranes is reported. Defect-free, 15-20 mm thick, mechanically stable, unsupported GO membranes exhibited outstanding gas-separation performance towards H-2/CO2 that far exceeded the corresponding 2008 Robeson upper bound. Remarkable separation efficiency of GO membranes for H-2 and bulky C-3 or C-4 hydrocarbons was achieved with …
