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Figure 6. (A) Schematic illustration of the synthetic procedure for the mPDA/MXene heterostructure. This figure is quoted with
permission from Li et al. [59] ; (B) Schematic illustration of the construction of OMCTs. This figure is quoted with permission from Liu
et al. [62] . mPDA: Mesoporous polydopamine; OMCTs: ordered mesoporous carbon/titanium carbide heterostructures.
According to the summary above, the multi-templates method is simple and versatile for preparing
2DMMs. Compared with other synthesis methods, the multi-templates method can effectively design and
control the mesostructure and 2D morphology of the customized 2DMMs. However, it remains challenging
to achieve narrow distributions and well-defined dimensions of mesoporous structures in 2DMMs by this
method.
SURFACE-LIMITED CO-ASSEMBLY METHOD
The traditional method of synthesizing mesoporous materials using amphiphilic molecules as structure
guide agents usually uses substrates such as glass, silicon wafers, and others for solid-liquid interface
assembly synthesis. The obtained materials have low long-term continuity of pore channels and long mass
transfer distance and are difficult to fully utilize the active sites in pores, which seriously hinders their
application.
