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. Author manuscript; available in PMC: 2013 Oct 5.
Published in final edited form as: Nanotechnology. 2012 Sep 7;23(39):395501. doi: 10.1088/0957-4484/23/39/395501

Figure 1.

Figure 1

(a) Sketch of computational setup. Cyan colour stands for carbon atoms, red and white colour represents the oxygen and hydrogen atoms of a SPC/E water molecular respectively, green colour represents sodium ions, and yellow is chlorine ions. Electric field is applied in z- direction. (b) A graphene membrane with a nanopore of diameter d=1.5nm. (c) A single frame of the simulation showing the moment a chlorine ion (yellow) is about to transit the nanopore in the direction indicated by the purple arrow following application of the electric field. The red lines between oxygen and hydrogen atoms denote hydrogen bonds.