The morphology of the mesoporous film was observed under a field emission scanning electron microscope (SEM, HITACHI SU- 8000) and transmission electron microscope (TEM, JEOL JEM- 2100F).
The morphology of the mesoporous film was observed undera field emission scanning electron microscope (SEM, HITACHI SU-8000) and transmission electron microscope (TEM, JEOL JEM-2100F).