Study on Corrosion of Macroporous Silicon in Sodium Hydroxide Solution by Electrochemical Methods and Scanning Electron Microscopy

Table 1

The potentiodynamic polarization parameters of macroporous silicon corrosion in different concentrations of NaOH and 1.0 M NaOH/EtOH (0~50%).

Corrosion solution	versus Ag/AgCl (V)	(A⋅cm^−2) × 10^−5
0.1 M NaOH	−1.068	0.6182
0.5 M NaOH	−1.406	1.435
1.0 M NaOH	−1.474	2.349
2.0 M NaOH	−1.488	3.216
1.0 M NaOH/EtOH (30%)	−1.404	4.220
1.0 M NaOH/EtOH (50%)	−1.360	3.200