Unimpeded Permeation of Water Through Helium-Leak–Tight Graphene-Based Membranes

  title={Unimpeded Permeation of Water Through Helium-Leak–Tight Graphene-Based Membranes},
  author={R. R. Nair and H. Wu and P. Jayaram and I. Grigorieva and Andre K. Geim},
  pages={442 - 444}
  • R. R. Nair, H. Wu, +2 authors Andre K. Geim
  • Published 2012
  • Medicine, Chemistry, Physics
  • Science
  • Porous Membranes Thin semi-permeable membranes are commonly used as chemical barriers or for filtration purposes. While the size of the pores will influence which molecules are able to pass, other factors—including the surface chemistry of the pore walls, electrostatic interactions, and differences in solubility—can also affect the diffusion rates. There is also a trade-off between the thickness of the membrane regarding strength and permeation rates (see the Perspective by Paul). Karan et al… CONTINUE READING

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