Analysis of Al2O3 Nanostructure Using Scanning Microscopy
Figure 3
SEM bottom view of a porous alumina layer prepared in different conditions: (a) H3PO4, 160 V, 276.15 K [7], (b) mixture of (CH2)4(COOH)2, H2SO4, and H2C2O4, 300 A/m2, 303.15 K [8], (c) 2.4 M H2SO4, 25 V, 281.15 K [9], and (d) H2SO4 and H3PO4, 120 V, 308.15 K [10].
