Typically,
the samples of silica modified Al(c) and Al(n) were prepared by
immersing 1 g of commercial -Al2O3 or one-dimensional -Al2O3
into an ethanol solution (20 mL) containing a certain amount of
3-aminopropyl-triethoxylsilane (Aldrich, 99.9%) under stirring for
2 h at the room temperature.