Table 1.

Electrochemical conditions used for PSi membrane formation

PSi	Electrolyte	Current density (mA/cm2)	Thickness (μm)	Anodization time (min)	Porosity (%)
1	3ethanol:7HF	2	64	495	41 ± 3
2	3ethanol:7HF	10	120	240	46 ± 2
3	3ethanol:7HF	20	100	128	51 ± 1
4	3ethanol:7HF	51	100	52	54 ± 1
5	3ethanol:7HF	100	100	36	63 ± 2
6	6ethanol:4HF	20	100	133	70 ± 4
7	6ethanol:4HF	60	100	55	84 ± 3