Novel Mesoporous Silica Materials with Hierarchically Ordered Nanochannel: Synthesis with the Assistance of Straight-Chain Alkanes and Application

Figure 7

Phase separation of alkane-P123-H₂O mixture to form upper alkane-rich layer and water-rich layer: (a) -hexane; (b) -heptane; (c) -octane; (d) -nonane; (e) -decane; (f) -undecane; (g) -dodecane; (h) -bioctyl; (i) the upper alkane-rich layer removed heptane-P123-H₂O mixture.