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Table 1 Electrochemical conditions used for PSi membrane formation

From: High Seebeck Coefficient of Porous Silicon: Study of the Porosity Dependence

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

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