Fig. 2.SEM images of as-prepared samples with different amounts of CTAB: (a) 0CTAB; (b) 1.5CTAB; (c) 1.5CTAB (another view); (d) 2.2CTAB; (e) 2.9CTAB, calcined at 450C (remaining time 3 h). The insertation is particle size distribution of 1.5CTAB.
Fig. 2.SEM images of as-prepared samples with different amounts of CTAB: (a) 0CTAB; (b) 1.5CTAB; (c) 1.5CTAB (another view); (d) 2.2CTAB; (e) 2.9CTAB, calcined at 450C (remaining time 3 h). The insertation is particle size distribution of 1.5CTAB.