Figure 5
SEM images of the products prepared at 220°C for different time: (a) 1 hours; (b) 2 hours; (c) 4 hours and (d) 12 hours.
Figure 5 | Scientific Reports
SEM images of the products prepared at 220°C for different time: (a) 1 hours; (b) 2 hours; (c) 4 hours and (d) 12 hours.
