fig7

Figure 7. Regulating length of nanochannels. (A) side view of the computational system of ultrathin graphene membrane in the desalination process^[134]. Copyright 2012, American Chemical Society. (B) The simulation box consists of a single-layer MoS₂ sheet (molybdenum in blue and sulfur in yellow), water (transparent blue), ions (in red and green), and a graphene sheet (in gray)^[137]. Copyright 2015, Springer Nature. (C) The fabrication process of density pores on graphene-nanomesh/carbon-nanotube hybrid membranes using O₂ plasma^[138]. Copyright 2019, Science Publishing Group.