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. 2011 Sep 19;27(22):13838–13846. doi: 10.1021/la203093u

Figure 8.

Figure 8

Nitrogen t plot from 0.35 to 0.5 nm for calcined SBA-15-1 (●), acid-treated SBA-15-2 (⧫), SBA-15-3 with a grafted anchor (+), and SBA-15-4 with grafted PNIPAAM (*). At each step in the modification process, the intercept of the t plot is decreasing, reflecting the decrease in microporosity/intrawall porosity.