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- W4372342349 endingPage "143366" @default.
- W4372342349 startingPage "143366" @default.
- W4372342349 abstract "In accurately balancing membrane permeability and separation coefficient, effectively preventing membrane collapse in separation process is the core to improve the efficiency of membrane separation for two-dimensional materials. Here, we used L-cysteine (L-Cys) functionalized gold nanoparticles as scaffolds and spacers and fabricated a multi-effect separation membrane with GO nanosheets. The as-prepared membrane performed the following as a separation membrane: (1) As a robust spacer, the gold nanoparticles, prevented the collapse of the GO sheet and thus the membrane showed stability; (2) The existence of amphiphilic L-cysteine enabled the possibility of regulating the GO sheets layer spacing between 16.9 and 17.8 Å by pH, which achieves controllable ultrahigh permeance for size sieving. The maximum permeation rate of the membrane can reach 216.6 L m−2 h−1 bar−1, which is much greater than that of pure GO membrane; (3) Further, we demonstrate the following properties of the as-prepared membranes embedded with amphiphilic chiral gold nanoparticles for the enantiomer separation. The membrane has high enantioselectivity for Pen racemates, and its chiral separation factor and permeation rate can reach 1.83 and 21.7 L m−2 h−1 bar−1, respectively." @default.
- W4372342349 created "2023-05-07" @default.
- W4372342349 creator A5024217969 @default.
- W4372342349 creator A5042184081 @default.
- W4372342349 creator A5086904593 @default.
- W4372342349 date "2023-07-01" @default.
- W4372342349 modified "2023-10-17" @default.
- W4372342349 title "Chiral gold nanoparticles/graphene oxide membranes with ultrahigh and stable permeance for sieving and enantioseparation" @default.
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- W4372342349 doi "https://doi.org/10.1016/j.cej.2023.143366" @default.
- W4372342349 hasPublicationYear "2023" @default.
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