fig5
![Constructing and regulating nanochannels in two-dimensional-material-based membranes for specified separation applications](https://image.oaes.cc/446c37a5-4869-4f7c-9f84-91d9fd640458/microstructures3011.fig.5.jpg)
Figure 5. Schematics of the main assembly methods for 2D-material-based nanochannel membranes. (A) Building van der Waals heterostructures[72]. Copyright 2013, Springer Nature Limited. (B) Pressure/Vacuum filtration. (C) Spin-coating. (D) Spray coating[181]. Copyright 2011, Royal Society of Chemistry. (E) Rob casting[181]. Copyright 2011, Royal Society of Chemistry.