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Improving the hydrogen selectivity of graphene oxide membranes by reducing non-selective pores with intergrown ZIF-8
Xuerui Wang1, Chenglong Chi1, Jifang Tao2
1Department of Chemical & Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585 Singapore, Singapore. chezhao@nus.edu.sg.
Chemical Communications (Cambridge, England)
|May 17, 2016
Abstract:
We report the intergrowth of ZIF-8 crystals on ultrathin graphene oxide (GO) membranes, which helps to reduce the non-selective pores of pristine GO membranes leading to gas selectivities as high as 406, 155, and 335 for H2/CO2, H2/N2, and H2/CH4 mixtures, respectively.
