Research Article

Pore Characteristics and Hydrothermal Stability of Mesoporous Silica: Role of Oleic Acid

Figure 1

SEM photos of mesoporous silica: (a) the morphology (×1500) and (b) the surface (×30000) of nonmodified sample, and (c) the morphology (×2000) and (d) the surface (×10000) of oleic acid modified sample.
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(a)
580347.fig.001b
(b)
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(c)
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(d)