fig2
![Advancements in two-dimensional covalent organic framework nanosheets for electrocatalytic energy conversion: current and future prospects](https://image.oaes.cc/9f628c62-75d5-41f4-9da5-5a1d7a1b20ab/em4072.fig.2.jpg)
Figure 2. (A) Schematic illustration of 2D COF synthesis processes based on solvation method. Reproduced with permission. Copyright 2020, American Chemical Society[49]. (B) Synthesis process of large-scale nanoporous 2D COF membranes. Reproduced with permission. Copyright 2022, American Chemical Society[51].