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. 2021 Sep 5;14(17):5082. doi: 10.3390/ma14175082

Figure 1.

Figure 1

N2 adsorption–desorption isotherms (upper) and schematic (lower) of (A) conventional SBA-15, (B) completely plugged SBA-15, and (C) partially plugged SBA-15 materials [11,13].