fig9
Figure 9. Regulating surface physicochemical properties of nanochannels. (A) Intercalating metal ions. [a] A snapshot of the ab initio molecular dynamics simulation at 27 ps. [b] The interaction energy between hydrated cations and graphene oxide sheets [labeled cation-(H2O)6@GO] and the hydration energy of the cation [labeled cation-(H2O)6]. [c–e] The most stable optimized geometries of cation-(H2O)6@GO clusters from density functional theory computation, where the cations are Na+, K+, and Li+[101]. Copyright 2017, Springer Nature. (B) A GO polymer cross-linked network composite membrane for forward osmosis desalination[158]. Copyright 2017, The Royal Society of Chemistry. (C) Restacked Ti3C2Tx-based membrane by introducing reduced GO as the spacer[160]. Copyright 2019, Springer Nature. (D) Oxidation process from graphite to graphene oxide[161]. Copyright 2021, MDPI.
